santyvv-data

payment-readyonline

payment-ready until 2026-11-12

Pay-per-call market and on-chain data API over x402 (USDC on Base): multi-venue consensus crypto prices, DeFi TVL and stablecoin supply, DEX volume and protocol fees, yield pool history, and keyless read-only on-chain reads (balances, receipts, logs, eth_call) on Base, Ethereum, Arbitrum, Optimism and Polygon.

Compare: all crypto price APIs · all blockchain APIs

x402.santyvv.com ↗

Call it x402 v2

x402 v2

Base URL: https://x402.santyvv.com
Payment: x402 v2, header channel

$ curl -i 'https://x402.santyvv.com/api/chain/balance'

An unpaid request returns HTTP 402 with the payment terms. Sign a payment authorization, then retry with the PAYMENT-SIGNATURE header.

Endpoints 26 paid routes on x402.santyvv.com

GET/api/chain/balanceBase$0.01since 09-23

GET/api/chain/blockBase$0.01since 09-23

GET/api/chain/gasBase$0.02since 09-21

GET/api/chain/infoBase$0.01since 09-23

GET/api/chain/receiptBase$0.01since 09-23

POST/api/chain/rpcBase$0.02since 09-23

GET/api/chain/token-infoBase$0.02since 09-23

GET/api/crypto/coin-priceBase$0.01since 09-23

18 more in Example 402 response

Prices as captured in the 402 response: median $0.01 across the 26 endpoints.

Example 402 response

Endpoints and prices

Current paid endpoints; minimum quoted prices in USD where available; first capture dates in UTC
Method	Path	Description	Price	Network	Asset	402 channel	Captured
GET	/api/chain/balance	Native coin balance (ETH on Base, Ethereum, Arbitrum and Optimism; POL on Polygon) for any address, returned both in wei and in decimal units. The first check any treasury, gas-station or agent-wallet flow makes.	$0.01	Base	USDC	header	since 09-23
GET	/api/chain/block	Block number, hash, timestamp as ISO UTC, base fee in gwei, gas used and limit with utilisation, transaction count and miner, for the latest block or the height you pass. Decoded from hex so no client-side conversion is needed.	$0.01	Base	USDC	header	since 09-23
GET	/api/chain/gas	Current gas price plus the 25th, 50th and 75th percentile of effective priority fees over the last blocks, and the base fee trend, all in gwei. What a wallet or a bot needs to decide what to pay, without running a node or hitting an explorer API.	$0.02	Base	USDC	header	since 09-21
GET	/api/chain/info	Chain id, client version and current block height for Base, Ethereum, Arbitrum, Optimism or Polygon, in one call with no API key and no node to run. The cheapest liveness and identity probe for a chain before you build on it.	$0.01	Base	USDC	header	since 09-23
GET	/api/chain/receipt	Just the receipt: status, gas used and cumulative gas, effective gas price, block, index and logs. Cheaper than the full transaction view when all the caller needs is 'did it land and what did it cost'.	$0.01	Base	USDC	header	since 09-23
POST	/api/chain/rpc	Send any whitelisted read-only JSON-RPC method (eth_getBalance, eth_getLogs, eth_getStorageAt, eth_feeHistory, eth_getBlockByNumber and friends) to a public node for Base, Ethereum, Arbitrum, Optimism or Polygon. For the odd method a purpose-built endpoint does not cover. Transaction signing and broadcasting are rejected.	$0.02	Base	USDC	header	since 09-23
GET	/api/chain/token-info	Name, symbol, decimals and total supply of an ERC-20 contract, read straight from the chain. Use it to label an unknown token, validate a contract before paying it, or compute supply-based metrics without trusting a token list.	$0.02	Base	USDC	header	since 09-23
GET	/api/crypto/coin-price	Price in any fiat or crypto quote currency plus market cap, 24h change and last update, for up to 20 coins by their CoinGecko id (bitcoin, ethereum, usd-coin...). Keyless access with edge caching in front, so the caller does not burn CoinGecko's per-IP rate limit.	$0.01	Base	USDC	header	since 09-23
GET	/api/crypto/global	Whole-market snapshot, already flattened to the numbers an agent usually needs: total market cap, 24h volume, BTC and ETH dominance, active cryptocurrencies and markets, 24h market cap change. One call instead of parsing a deeply nested payload.	$0.01	Base	USDC	header	since 09-23
GET	/api/crypto/history	Time series of price, market cap and total volume for one coin over 1 to 365 days, at the resolution CoinGecko serves (hourly up to 90 days, daily beyond). For charting, backtesting a strategy or computing volatility.	$0.01	Base	USDC	header	since 09-23
GET	/api/crypto/markets	Market table of the top coins by market capitalisation: price, market cap, volume, circulating supply, all-time high and 1h/24h/7d changes, up to 250 rows per call with pagination. Normalised into one flat row per coin; falls back to a second provider if the first one rate-limits.	$0.01	Base	USDC	header	since 09-21
GET	/api/crypto/orderbook	Best bid and ask, absolute and relative spread, mid price, and the depth available within a configurable percentage of the mid, for a spot pair. Answers 'can I trade this size without moving the price' in one call, without pulling a full order book.	$0.02	Base	USDC	header	since 09-23
GET	/api/crypto/price	Consensus USD spot price for up to 5 crypto tickers (BTC, ETH, SOL, XRP, ADA, DOGE, AVAX, LINK, DOT, LTC, BCH, UNI, ATOM, NEAR, APT, ARB, OP, SUI, TON, POL). Queries four independent venues (MEXC, OKX, Coinbase and Kraken), returns the median plus min, max and a divergence flag, so a single venue printing a bad price cannot fool the caller. Call it when you need one trustworthy number instead of four API integrations.	$0.02	Base	USDC	header	since 09-21
GET	/api/crypto/search	Resolve a name, ticker or partial string to canonical ids, symbols and market-cap ranks, before calling a price endpoint. Includes coins, exchanges, categories and non-fungible collections.	$0.01	Base	USDC	header	since 09-23
GET	/api/crypto/tickers	24h statistics for up to 10 symbols: last price, price change and percent, weighted average, high, low, base volume and quote volume. Flattened from the exchange payload so the numbers are ready to compare or store.	$0.01	Base	USDC	header	since 09-23
GET	/api/crypto/trending	What the market is searching for right now: the trending coin list plus trending search terms and non-fungible collections, exactly as the upstream search index reports it. Useful for content agents, news summarisation or meme-coin screening.	$0.01	Base	USDC	header	since 09-23
GET	/api/defi/chain-history	Daily TVL history for a single chain (Base, Ethereum, Arbitrum, Optimism, Polygon, Solana, ...). Use it for growth charts, delta computations and cohort analysis. Raw upstream series, cached at the edge.	$0.01	Base	USDC	header	since 09-23
GET	/api/defi/chains	Ranked TVL for every tracked chain with its token symbol and chain id, biggest first, plus the grand total. The cheapest honest read on where liquidity sits. Normalised from the upstream payload into a flat list.	$0.01	Base	USDC	header	since 09-21
GET	/api/defi/dex-volume	Decentralised exchange volumes: totals, 24h/7d/30d windows, per-chain and per-protocol breakdowns, all in one payload cached at the edge. For market-structure work and volume share screens.	$0.01	Base	USDC	header	since 09-21
GET	/api/defi/protocol-fees	Daily fees and revenue series for a single protocol, with breakdowns by chain and by data type. For unit economics, revenue trend work or diligence on a specific app.	$0.01	Base	USDC	header	since 09-23
GET	/api/defi/protocol-tvl	Total value locked of a single protocol by its slug (aave, uniswap, lido, curve-dex...), as a single number with provenance. Tiny and fast, made to be called in a loop over a watchlist or to gate a decision ('only act if TVL is above X').	$0.01	Base	USDC	header	since 09-23
GET	/api/defi/stablecoin-chains	Circulating stablecoin supply per chain, with the grand total, normalised into a flat ranked list. Answers 'which chain holds the dollar liquidity' without pulling the full stablecoin table.	$0.01	Base	USDC	header	since 09-23
GET	/api/defi/stablecoins	Every tracked stablecoin with circulating supply, supply yesterday and a week ago, chain breakdown, peg type and mechanism. The supply table behind most stablecoin dashboards. Raw upstream payload, cached at the edge.	$0.01	Base	USDC	header	since 09-21
GET	/api/defi/tvl-history	Daily total value locked series, either aggregated across every chain or for the chain passed in the query. The macro backdrop for any DeFi narrative or risk dashboard.	$0.01	Base	USDC	header	since 09-23
GET	/api/defi/yield-pool	Full history of a single yield pool by its pool id: APY, base and reward APY, TVL, and the underlying token prices, day by day. For yield strategy backtests and 'was this APY sustained or a spike' questions.	$0.01	Base	USDC	header	since 09-23
GET	/api/fx/rates	Official daily reference rates published by the European Central Bank, for the currencies traded against the euro. Not a market feed, the reference rate: what accounting, invoicing and reporting workflows are supposed to use. Keyless and cached.	$0.01	Base	USDC	header	since 09-21

Payment evidence

402 payload captured at 2026-09-23 12:34:02 UTC. Check evidence JSON · Measurement methodology.

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/crypto/markets",
    "tags": [
      "crypto",
      "markets",
      "marketcap",
      "ranking"
    ],
    "mimeType": "application/json",
    "description": "Market table of the top coins by market capitalisation: price, market cap, volume, circulating supply, all-time high and 1h/24h/7d changes, up to 250 rows per call with pagination. Normalised into one flat row per coin; falls back to a second provider if the first one rate-limits.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "vs": "Moneda de cotizacion (por defecto: usd) Ejemplo: usd",
            "limite": "Filas por pagina (1-250) (por defecto: 20) Ejemplo: 20",
            "pagina": "Numero de pagina (por defecto: 1) Ejemplo: 1"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Other captured 402 responses (25)

Captured payload 2 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/defi/chains",
    "tags": [
      "defi",
      "tvl",
      "chains",
      "liquidity"
    ],
    "mimeType": "application/json",
    "description": "Ranked TVL for every tracked chain with its token symbol and chain id, biggest first, plus the grand total. The cheapest honest read on where liquidity sits. Normalised from the upstream payload into a flat list.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "limite": "Cantidad de cadenas a devolver (1-500) (por defecto: 50) Ejemplo: 50"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 3 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/defi/stablecoins",
    "tags": [
      "defi",
      "stablecoins",
      "supply",
      "pegs"
    ],
    "mimeType": "application/json",
    "description": "Every tracked stablecoin with circulating supply, supply yesterday and a week ago, chain breakdown, peg type and mechanism. The supply table behind most stablecoin dashboards. Raw upstream payload, cached at the edge.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {}
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 4 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/defi/dex-volume",
    "tags": [
      "defi",
      "dex",
      "volume",
      "markets"
    ],
    "mimeType": "application/json",
    "description": "Decentralised exchange volumes: totals, 24h/7d/30d windows, per-chain and per-protocol breakdowns, all in one payload cached at the edge. For market-structure work and volume share screens.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {}
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 5 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "20000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/chain/gas",
    "tags": [
      "onchain",
      "gas",
      "fees",
      "rpc"
    ],
    "mimeType": "application/json",
    "description": "Current gas price plus the 25th, 50th and 75th percentile of effective priority fees over the last blocks, and the base fee trend, all in gwei. What a wallet or a bot needs to decide what to pay, without running a node or hitting an explorer API.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "chain": "Red EVM: base, ethereum, arbitrum, optimism, polygon (por defecto: base) Ejemplo: base",
            "bloques": "Ventana de bloques (1-20) (por defecto: 5) Ejemplo: 5"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 6 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "20000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/crypto/price",
    "tags": [
      "crypto",
      "price",
      "oracle",
      "median",
      "multi-venue"
    ],
    "mimeType": "application/json",
    "description": "Consensus USD spot price for up to 5 crypto tickers (BTC, ETH, SOL, XRP, ADA, DOGE, AVAX, LINK, DOT, LTC, BCH, UNI, ATOM, NEAR, APT, ARB, OP, SUI, TON, POL). Queries four independent venues (MEXC, OKX, Coinbase and Kraken), returns the median plus min, max and a divergence flag, so a single venue printing a bad price cannot fool the caller. Call it when you need one trustworthy number instead of four API integrations.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "symbols": "Tickers separados por coma (maximo 5) (por defecto: BTC,ETH) Ejemplo: BTC,ETH,SOL"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "BTC": {
              "venues_ok": 3,
              "precio_max_usd": 81263.25,
              "precio_min_usd": 81244.5,
              "consenso_fiable": true,
              "divergencia_pct": 0.0231,
              "precio_mediana_usd": 81251.4
            }
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object"
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 7 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/fx/rates",
    "tags": [
      "fx",
      "rates",
      "ecb",
      "reference"
    ],
    "mimeType": "application/json",
    "description": "Official daily reference rates published by the European Central Bank, for the currencies traded against the euro. Not a market feed, the reference rate: what accounting, invoicing and reporting workflows are supposed to use. Keyless and cached.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "base": "Moneda base (codigo ISO de 3 letras) (por defecto: USD) Ejemplo: USD",
            "simbolos": "Opcional: monedas destino separadas por coma (por defecto: -) Ejemplo: EUR,GBP,JPY"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 8 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/chain/balance",
    "tags": [
      "onchain",
      "balance",
      "wallet",
      "rpc"
    ],
    "mimeType": "application/json",
    "description": "Native coin balance (ETH on Base, Ethereum, Arbitrum and Optimism; POL on Polygon) for any address, returned both in wei and in decimal units. The first check any treasury, gas-station or agent-wallet flow makes.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "chain": "Red EVM: base, ethereum, arbitrum, optimism, polygon (por defecto: base) Ejemplo: base",
            "address": "Direccion EVM (0x + 40 hex) (obligatorio) Ejemplo: 0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 9 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/chain/block",
    "tags": [
      "onchain",
      "rpc",
      "block"
    ],
    "mimeType": "application/json",
    "description": "Block number, hash, timestamp as ISO UTC, base fee in gwei, gas used and limit with utilisation, transaction count and miner, for the latest block or the height you pass. Decoded from hex so no client-side conversion is needed.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "block": "Altura o 'latest' (por defecto: latest) Ejemplo: latest",
            "chain": "Red EVM: base, ethereum, arbitrum, optimism, polygon (por defecto: base) Ejemplo: base"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 10 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/chain/info",
    "tags": [
      "onchain",
      "rpc",
      "chain",
      "health"
    ],
    "mimeType": "application/json",
    "description": "Chain id, client version and current block height for Base, Ethereum, Arbitrum, Optimism or Polygon, in one call with no API key and no node to run. The cheapest liveness and identity probe for a chain before you build on it.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "chain": "Red EVM: base, ethereum, arbitrum, optimism, polygon (por defecto: base) Ejemplo: base"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 11 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/chain/receipt",
    "tags": [
      "onchain",
      "receipt",
      "rpc"
    ],
    "mimeType": "application/json",
    "description": "Just the receipt: status, gas used and cumulative gas, effective gas price, block, index and logs. Cheaper than the full transaction view when all the caller needs is 'did it land and what did it cost'.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "hash": "Hash de transaccion (0x + 64 hex) (obligatorio) Ejemplo: 0x8bff0cbd6d62617d480ff20b33ea00b3cc1d5ddbd3a8d51e88d1322c1921a141",
            "chain": "Red EVM: base, ethereum, arbitrum, optimism, polygon (por defecto: base) Ejemplo: base"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 12 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "20000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/chain/rpc",
    "tags": [
      "onchain",
      "rpc",
      "gateway",
      "json-rpc"
    ],
    "mimeType": "application/json",
    "description": "Send any whitelisted read-only JSON-RPC method (eth_getBalance, eth_getLogs, eth_getStorageAt, eth_feeHistory, eth_getBlockByNumber and friends) to a public node for Base, Ethereum, Arbitrum, Optimism or Polygon. For the odd method a purpose-built endpoint does not cover. Transaction signing and broadcasting are rejected.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {},
          "type": "http",
          "method": "POST",
          "bodyType": "json"
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "properties": {
              "body": {
                "properties": {}
              },
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 13 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "20000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/chain/token-info",
    "tags": [
      "onchain",
      "erc20",
      "metadata",
      "rpc"
    ],
    "mimeType": "application/json",
    "description": "Name, symbol, decimals and total supply of an ERC-20 contract, read straight from the chain. Use it to label an unknown token, validate a contract before paying it, or compute supply-based metrics without trusting a token list.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "chain": "Red EVM: base, ethereum, arbitrum, optimism, polygon (por defecto: base) Ejemplo: base",
            "token": "Contrato ERC-20 a inspeccionar (obligatorio) Ejemplo: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 14 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/crypto/coin-price",
    "tags": [
      "crypto",
      "price",
      "marketcap",
      "coingecko"
    ],
    "mimeType": "application/json",
    "description": "Price in any fiat or crypto quote currency plus market cap, 24h change and last update, for up to 20 coins by their CoinGecko id (bitcoin, ethereum, usd-coin...). Keyless access with edge caching in front, so the caller does not burn CoinGecko's per-IP rate limit.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "vs": "Moneda de cotizacion (usd, eur, ...) (por defecto: usd) Ejemplo: usd",
            "ids": "Ids de CoinGecko separados por coma (maximo 20) (obligatorio) Ejemplo: bitcoin,ethereum,usd-coin"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 15 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/crypto/global",
    "tags": [
      "crypto",
      "global",
      "dominance",
      "marketcap"
    ],
    "mimeType": "application/json",
    "description": "Whole-market snapshot, already flattened to the numbers an agent usually needs: total market cap, 24h volume, BTC and ETH dominance, active cryptocurrencies and markets, 24h market cap change. One call instead of parsing a deeply nested payload.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {}
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 16 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/crypto/history",
    "tags": [
      "crypto",
      "history",
      "timeseries",
      "coingecko"
    ],
    "mimeType": "application/json",
    "description": "Time series of price, market cap and total volume for one coin over 1 to 365 days, at the resolution CoinGecko serves (hourly up to 90 days, daily beyond). For charting, backtesting a strategy or computing volatility.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "id": "Id de CoinGecko (bitcoin) (obligatorio) Ejemplo: bitcoin",
            "vs": "Moneda de cotizacion (por defecto: usd) Ejemplo: usd",
            "dias": "Ventana en dias (1-365) (por defecto: 7) Ejemplo: 7"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 17 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "20000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/crypto/orderbook",
    "tags": [
      "crypto",
      "orderbook",
      "spread",
      "liquidity"
    ],
    "mimeType": "application/json",
    "description": "Best bid and ask, absolute and relative spread, mid price, and the depth available within a configurable percentage of the mid, for a spot pair. Answers 'can I trade this size without moving the price' in one call, without pulling a full order book.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "limite": "Niveles del libro a considerar (5-100) (por defecto: 20) Ejemplo: 20",
            "symbol": "Par del exchange (BTCUSDT) (obligatorio) Ejemplo: BTCUSDT"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 18 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/defi/protocol-tvl",
    "tags": [
      "defi",
      "tvl",
      "protocol"
    ],
    "mimeType": "application/json",
    "description": "Total value locked of a single protocol by its slug (aave, uniswap, lido, curve-dex...), as a single number with provenance. Tiny and fast, made to be called in a loop over a watchlist or to gate a decision ('only act if TVL is above X').",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "protocol": "Slug del protocolo en DefiLlama (obligatorio) Ejemplo: aave"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 19 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/defi/stablecoin-chains",
    "tags": [
      "defi",
      "stablecoins",
      "chains",
      "liquidity"
    ],
    "mimeType": "application/json",
    "description": "Circulating stablecoin supply per chain, with the grand total, normalised into a flat ranked list. Answers 'which chain holds the dollar liquidity' without pulling the full stablecoin table.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {}
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 20 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/defi/tvl-history",
    "tags": [
      "defi",
      "tvl",
      "history",
      "macro"
    ],
    "mimeType": "application/json",
    "description": "Daily total value locked series, either aggregated across every chain or for the chain passed in the query. The macro backdrop for any DeFi narrative or risk dashboard.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "cadena": "Opcional: nombre de la cadena (Base, Ethereum...) (por defecto: -) Ejemplo: Base"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 21 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/defi/yield-pool",
    "tags": [
      "defi",
      "yields",
      "apy",
      "history"
    ],
    "mimeType": "application/json",
    "description": "Full history of a single yield pool by its pool id: APY, base and reward APY, TVL, and the underlying token prices, day by day. For yield strategy backtests and 'was this APY sustained or a spike' questions.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "pool": "Id del pool (uuid de DefiLlama Yields) (obligatorio) Ejemplo: 747c1d2a-c668-4682-b9f9-296708a3dd90"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 22 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/crypto/tickers",
    "tags": [
      "crypto",
      "ticker",
      "volume",
      "binance"
    ],
    "mimeType": "application/json",
    "description": "24h statistics for up to 10 symbols: last price, price change and percent, weighted average, high, low, base volume and quote volume. Flattened from the exchange payload so the numbers are ready to compare or store.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "symbols": "Tickers separados por coma (maximo 10) (obligatorio) Ejemplo: BTC,ETH,SOL"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 23 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/defi/chain-history",
    "tags": [
      "defi",
      "tvl",
      "history",
      "chain"
    ],
    "mimeType": "application/json",
    "description": "Daily TVL history for a single chain (Base, Ethereum, Arbitrum, Optimism, Polygon, Solana, ...). Use it for growth charts, delta computations and cohort analysis. Raw upstream series, cached at the edge.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "cadena": "Nombre de la cadena (Base, Ethereum, Arbitrum...) (obligatorio) Ejemplo: Base"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 24 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/crypto/trending",
    "tags": [
      "crypto",
      "trending",
      "search",
      "sentiment"
    ],
    "mimeType": "application/json",
    "description": "What the market is searching for right now: the trending coin list plus trending search terms and non-fungible collections, exactly as the upstream search index reports it. Useful for content agents, news summarisation or meme-coin screening.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {}
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 25 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/crypto/search",
    "tags": [
      "crypto",
      "search",
      "resolve",
      "coingecko"
    ],
    "mimeType": "application/json",
    "description": "Resolve a name, ticker or partial string to canonical ids, symbols and market-cap ranks, before calling a price endpoint. Includes coins, exchanges, categories and non-fungible collections.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "q": "Texto a buscar (nombre o simbolo) (obligatorio) Ejemplo: aave"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 26 of 26

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x69F1EBCCD06a0dD7355922c56A3D51E17dC01388",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://x402.santyvv.com/api/defi/protocol-fees",
    "tags": [
      "defi",
      "fees",
      "history",
      "protocol"
    ],
    "mimeType": "application/json",
    "description": "Daily fees and revenue series for a single protocol, with breakdowns by chain and by data type. For unit economics, revenue trend work or diligence on a specific app.",
    "serviceName": "santyvv-data"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "slug": "Slug del protocolo (uniswap, aave...) (obligatorio) Ejemplo: uniswap"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          }
        }
      }
    }
  },
  "x402Version": 2
}

Can I trust it score from our own monitoring

score from our own monitoring

85/100 Solid

                           │         │     ···│···
0                          55        75       93

                │     │   ·│··
0               55    75   93

#211 of 472 in Data. Bands: strong 93+, solid 75+, mixed 55+, weak below 55.

Reliability: 100% uptime 30d
Compliance: A 14/14 checks pass
Price: $0.01 to $0.02 p61 in Data
Risk: clean no risk flag
Traction: $0.02 30d 2 buyers, top buyer 50% (address, not entity)

14/14 compliance checks

402 payload captured
accepts[] array present
payTo address recoverable
payTo at accepts[0].payTo (conformant shape)
payTo is a valid on-chain address
atomic price declared
atomic price in a sane range
asset (token) address declared
network resolves to CAIP-2
payment scheme declared
served over HTTPS
declares the current x402 version (2)
EIP-712 domain parameters present on every EVM entry
x402 v2 envelope delivered in the payment-required header

402 terms unchanged since 2026-09-23. Last up 2026-11-05.

── Site signals

homepage reachable
openapi doc
pricing page
llms.txt
robots.txt
terms page

How the score works

What the score read on this service: status online, 100% uptime 30d, 306ms response p95, x402 compliance 14 of 14, $0.01 price against the category, on-chain traction measured. Each of those is measured, and each is published in full below.

The score comes from our own monitoring, never from reviews, operator claims, or a language model: reliability, x402 compliance, price against the category, a deterministic risk flag, and a small on-chain traction term, weighted by ranking generation 3. It is not placement anyone can buy: the paid verify tier is reported beside it and is not one of its inputs. Every component below stays published and read-only.

Bands on the 0 to 100 measured score: strong at 93 and above, solid from 75, mixed from 55, weak below 55. Price and speed are scored against the whole category field, every listing in it that carries no danger flag, the scored service included, so the score places a service in its own field.

It is a score inside Data, and only there: price and speed are scored against the whole category field, every listing in it that carries no danger flag, the scored service included, which here means 472 listings, this one among them: the same 472 the position above is counted against. When the two differ, the field is the wider one, because a listing we have measured too little of to rank still sits in the field the price and the speed are normalized over. The same service in a different field would read differently. The same engine answers GET /api/v1/best, and asked for a different pool (the whole directory, or another filter) it returns a different number for this service under this same ranking generation. Neither is more correct: they answer different questions, and the methodology states which is which.

Settled via payAI ($0.02, 2 tx). Traction is a conservative undercount; first settlement seen 2026-09-20.

All measured facts

What it does

santyvv-data is a listed x402 Data API. Captured payment terms name Base. Monitoring and settlement figures below describe the observations available to this directory; an unpaid HTTP 402 check does not prove that a paid call will deliver.

Assessment computed at 2026-11-05 09:13:35 UTC. Latest service check observed at 2026-11-05 14:34:10 UTC. Service data JSON · Measurement methodology.

Page rendered at 2026-11-05 14:49:31 UTC. This response time is separate from the observation and computation times attached to each measurement.

Latest endpoint observation: 2026-11-05 14:34:10 UTC. Latest price capture: 2026-09-23 10:25:36 UTC. Prices are recorded quotes, not a promise of availability. Token assets and payment terms are listed separately. Endpoint data JSON · Price history JSON · Measurement methodology.

Assessment computed at 2026-11-05 09:13:35 UTC. Uptime uses the stated daily-rollup window; response times are in milliseconds, compliance is passed/evaluated checks, and traction is a measured settlement floor. The comparison score is out of 100 within this category. Assessment JSON · Measurement methodology.

Observed daily coverage: 2026-10-07 to 2026-11-05 UTC. Daily monitoring and settlement rollups do not expose their computation time; a bucket date is not an update timestamp. Latest settlement in the assessment: 2026-10-27 01:09:29 UTC. Uptime and response JSON · Volume JSON · Buyers JSON · Measurement methodology.

Ranked from the measured category pool, refreshed at most once a minute. The comparison has no persisted computation timestamp; the assessment time above belongs to this service only. Ranking API documentation · Ranking methodology.

x402 List home · Services · Data

uptime · latest daily rollup: 100%
uptime 7d: 99.8%
uptime 30d: 100%
uptime 90d: 99.9%
response p95: 306ms
avg response: 221ms
total checks: 3,580

Measured on the unpaid 402 handshake, not the paid call. A service can 402 correctly and still fail after payment.

price (min): $0.01
price (max): $0.02
category percentile (min): p61 in Data
category percentile (max): p40 in Data
endpoints / prices: 26 / 2
model: tiered
stability: 100%

No deterministic risk flag. Risk fires only on an exact blocklist match, or a reserved-brand name with a mismatched verified payTo. Never from low uptime, a high price, or a model guess.

domain age: 837d
registrar: Cloudflare, Inc.
hosting: custom
domain created: 2024-07-18

Identity facts, not a risk score.

assessment volume 30d: $0.02
exact assessment volume 30d (USD): 0.02
assessment recorded at (UTC): 2026-11-05T09:13:35.826Z
buyers 30d: 2
settlements 30d: 2
measured since: 2026-09-20 (start of our harvest window)
last settlement: 2026-10-27
top buyer share: 50% of 30d volume (address, not entity)
top 3 buyers share: 100% of 30d volume (addresses, not entities)
concentrated volume: no
trend 7d vs 30d: 2.14x the 30d daily rate
networks: eip155:8453
volume all-time: $2.63
settlements all-time: 146
median settlement 30d: $0.01
max settlement 30d: $0.01

Assessment volume uses the latest 30d assessment. Over time sums daily address snapshots, rounded to cents and refreshed separately. The two sources can differ in timing, precision and shared-address attribution. Amounts use cents for comparison; known sub-cent values keep up to 12 significant digits. The exact stored assessment value is shown above.

Conservative undercount: only USDC settlements via facilitators we measure are counted. A measured floor, not an estimate.

Top buyer share lowers the on-chain traction part of the ranking score behind this page's verdict and /best, by up to half when one address holds all 30d volume. The Recommended and Highest volume sorts of the services list do not use it; they use the Concentrated volume rule instead.

member since: 2026-09-21

Recent checks

Latest 18 unpaid HTTP checks, newest first; response times in milliseconds, observation times in UTC
Checked at (UTC)	Status	HTTP	Response	Endpoints
2026-11-05 14:34:10 UTC	Online	402	86ms	26
2026-11-05 14:18:09 UTC	Online	402	158ms	26
2026-11-05 14:02:08 UTC	Online	402	150ms	26
2026-11-05 13:46:16 UTC	Online	402	178ms	26
2026-11-05 13:30:17 UTC	Online	402	189ms	26
2026-11-05 13:13:15 UTC	Online	402	135ms	26
2026-11-05 12:57:15 UTC	Online	402	165ms	26
2026-11-05 12:41:13 UTC	Online	402	175ms	26
2026-11-05 12:25:11 UTC	Online	402	159ms	26
2026-11-05 12:08:10 UTC	Online	402	196ms	26
2026-11-05 11:52:10 UTC	Online	402	115ms	26
2026-11-05 11:36:09 UTC	Online	402	141ms	26
2026-11-05 11:20:11 UTC	Online	402	168ms	26
2026-11-05 11:04:10 UTC	Online	402	111ms	26
2026-11-05 10:48:10 UTC	Online	402	166ms	26
2026-11-05 10:32:13 UTC	Online	402	209ms	26
2026-11-05 10:15:08 UTC	Online	402	226ms	26
2026-11-05 09:59:10 UTC	Online	402	115ms	26

Changes0 in 30d

No changes recorded in the last 30 days.

all changes

Over time

On-chain volume daily snapshots, USD 30d: $0.02, peak $0.01 on 10-08

          $0.01                                                                                  
          ██                                                       ██       ██                   
          ██                                                       ██       ██                   
          ██                                                       ██       ██                   
          ██                                                       ██       ██                   
       ·  ██ ·  ·  ·  ·  ·  ·  ·  ·  ·  ·  ·  ·  ·  ·  ·  ·  ·  ·  ██ ·  ·  ██ ·  ·  ·  ·  ·  ·  
    $0

volume no data in the payload

Distinct buyers per dayDistinct buyers per day

        ·  1  ·  ·  ·  ·  ·  ·  ·  ·  ·  ·  ·  ·  ·  ·  ·  ·  ·  ·  1  ·  ·  1  ·  ·  ·  ·  ·  ·

Uptime 1 of 29 completed days below 100%

       ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ▇▇ ██ ██ ██

uptime below 100%, to scale

       10-07                                     10-21                                   11-05*

Volume 30d: $0.02
Uptime: 1 of 29 completed days below 100%

Daily on-chain settlement volume in US dollars, 2026-10-07 to 2026-11-05; highest day $0.01 on 10-08; 27 days have no data in the payload; distinct buyers per day

Day    Volume             USD  Buyers
10-07  · no data
10-08                   $0.01       1
10-09  · no data, 18 days to 10-26
10-27                   $0.01       1
10-28  · no data, 2 days to 10-29
10-30                   $0.01       1
10-31  · no data, 6 days to 11-05*

More charts

Response time daily average, ms min 149ms, avg 217ms, max 359ms

       ██ ▆▆ ▅▅ ▄▄ ▅▅ ▆▆ ▅▅ ▇▇ ▃▃ ▄▄ ▄▄ ▄▄ ▅▅ ▄▄ ▄▄ ▅▅ ▄▄ ▃▃ ▄▄ ▅▅ ▇▇ ▄▄ ▅▅ ▄▄ ▅▅ ▄▄ ▇▇ ▅▅ ▄▄ ▄▄

10-07 to 11-05* UTC

      █▆▅▄▅▆▅▇▃▄▄▄▅▄▄▅▄▃▄▅▇▄▅▄▅▄▇▅▄▄

      10-07         10-21     11-05*

Scores over time

x402 compliance low 14/14, high 14/14

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10-07 to 11-05* UTC

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      10-07         10-21     11-05*

Price percentile in Data own low to high; exact values below

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10-07 to 11-05* UTC

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      10-07         10-21     11-05*

Site signals present (of 6) own low to high; exact values below

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10-07 to 11-05* UTC

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      10-07         10-21     11-05*

       10-07                                     10-21                                   11-05*

      10-07         10-21     11-05*

Scores: one day per column, 10-07 to 11-05*, on the columns of Response time. Uptime held below 100% on some days in this window, including any partial day. Daily readings remain in the Uptime strip and Values. The checklist grew from 11 to 14 checks on 2026-07-28, before this window. Pillar lines use their own low and high. Exact dated readings are available in each readout and in Values.

Each series spans only the dates it has data for. Every series is also served as JSON at /api/v1/services/santyvv-data/price, /scores, /volume and /buyers.

Values

* today so far, partial (UTC).

The uptime summary counts completed UTC days only. The strip, readouts and table retain today's partial reading.

Daily snapshot total, 30d: $0.03, peak $0.01 on 10-08. The visible 30d total in Traction comes from the latest assessment. These sources can differ in their window, refresh time, cent rounding and shared-address attribution.

Daily address snapshots: 2026-10-07 to 2026-11-05 UTC; * today so far, partial (UTC). Daily snapshots store cents. A recorded $0.00 with settlements cannot distinguish exact zero from volume rounded away. Lost precision is unavailable here.

Settlement volume uses the stored USD valuation of tracked payments; it is distinct from token quantities. USD-pegged assets are valued at 1 USD per token in these rollups. The measured settlement floor does not cover all payments to this service.

Assessment history last recorded at 2026-11-05 09:13:35 UTC. Each UTC day uses its last recorded run; missing readings stay unmeasured. Assessment history JSON · Measurement methodology.

Daily values, 2026-10-07 to 2026-11-05: address settlement volume in USD, distinct buyer and settlement counts, uptime percent, average response milliseconds, compliance passed/total, price percentile 0-100, site signals out of 6; UTC dates
Day	Volume	Buyers	Settlements	Uptime	Response	Compliance	Price percentile	Site signals
2026-10-07	no data	no data	no data	100%	359.09ms	14/14	p61	5/6
2026-10-08	$0.01	1	1	100%	264.58ms	14/14	p62	5/6
2026-10-09	no data	no data	no data	100%	218.18ms	14/14	p62	5/6
2026-10-10	no data	no data	no data	100%	201.01ms	14/14	p62	5/6
2026-10-11	no data	no data	no data	100%	246.63ms	14/14	p62	5/6
2026-10-12	no data	no data	no data	100%	284.87ms	14/14	p62	5/6
2026-10-13	no data	no data	no data	100%	245.11ms	14/14	p62	5/6
2026-10-14	no data	no data	no data	100%	318.47ms	14/14	p62	5/6
2026-10-15	no data	no data	no data	100%	149.00ms	14/14	p62	5/6
2026-10-16	no data	no data	no data	100%	167.88ms	14/14	p61	5/6
2026-10-17	no data	no data	no data	100%	172.31ms	14/14	p61	5/6
2026-10-18	no data	no data	no data	100%	191.06ms	14/14	p62	5/6
2026-10-19	no data	no data	no data	100%	209.38ms	14/14	p61	5/6
2026-10-20	no data	no data	no data	100%	181.83ms	14/14	p61	5/6
2026-10-21	no data	no data	no data	100%	187.81ms	14/14	p61	5/6
2026-10-22	no data	no data	no data	100%	240.32ms	14/14	p62	5/6
2026-10-23	no data	no data	no data	100%	179.35ms	14/14	p62	5/6
2026-10-24	no data	no data	no data	100%	148.70ms	14/14	p62	5/6
2026-10-25	no data	no data	no data	100%	170.07ms	14/14	p62	5/6
2026-10-26	no data	no data	no data	100%	213.44ms	14/14	p61	5/6
2026-10-27	$0.01	1	1	100%	300.76ms	14/14	p61	5/6
2026-10-28	no data	no data	no data	100%	174.03ms	14/14	p61	5/6
2026-10-29	no data	no data	no data	100%	225.89ms	14/14	p61	5/6
2026-10-30	$0.01	1	1	100%	178.39ms	14/14	p61	5/6
2026-10-31	no data	no data	no data	100%	233.42ms	14/14	p61	5/6
2026-11-01	no data	no data	no data	100%	165.43ms	14/14	p61	5/6
2026-11-02	no data	no data	no data	98.86%	292.95ms	14/14	p61	5/6
2026-11-03	no data	no data	no data	100%	227.68ms	14/14	p61	5/6
2026-11-04	no data	no data	no data	100%	188.60ms	14/14	p61	5/6
2026-11-05*	no data	no data	no data	100%	163.77ms	14/14	p61	5/6

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5 of 471 other ranked services in Data, ordered by the same measured score.

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