x402 List

x402 Protocol Service Directory

HostDeFi Token Risk API

Verification PAYMENT-READY

payment-ready until 2026-09-09

Token safety verdicts (A+ to F grade, score, on-chain + market-structure signals) for Solana and EVM tokens, paid per call via x402 (USDC on Solana, Base, Polygon, Arbitrum, Avalanche; charge-on-success only). Also sells per-token dated safety history, a full due-diligence report, pre-graduation Solana signals, wallet exposure reads, a fresh-launches feed, the graded weekly snapshot dataset, Polymarket odds history and x402 provider-risk grades. Free scanner + hosted MCP server included.

Pay from $0.005 to $0.35 per request in USDC on Arbitrum One / Avalanche / Base / Polygon / Solana, settled onchain via the x402 protocol, no signup, no API key needed.

listed 2026-09-02 · no on-chain settlement recorded yet

BASE URL https://hostdefi.com/api WEBSITE https://hostdefi.com ENDPOINTS 10 NETWORK Arbitrum One / Avalanche / Base / Polygon / Solana ASSET USDC MEMBER SINCE 2026-09-02 MONITORED SINCE 2026-09-02

VERDICT

ranking generation 3

solid 88/100 #22 of 64 in Verification by measured score

What the score read on this service: status online, 100% uptime 24h (no 30d window yet), 268ms response p95, x402 compliance 14 of 14, $0.005 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.

It is a score inside Verification, 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 64 listings, this one among them. That set is wider than the 64 the position above is counted against, 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.

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.

ALTERNATIVES IN VERIFICATION

Other Verification services in this directory, ordered by the same measured score. The figures are ours: 30-day uptime from our own probes, 30-day settlement volume read on-chain (a conservative undercount, and null where we cannot measure it, never a zero).

Ranked alternative x402 services in the same category, with band, measured score, 30-day uptime and 30-day on-chain settlement volume
SERVICE BAND SCORE UPTIME 30D VOL 30D
Rubric Protocol — Post-Quantum AI Attestation strong 99 100% ---
LION — Verified Company & Compliance Data strong 99 100% ---
scvd.store — evidence observatory for the x402 economy strong 97 100% ---
Hermes Plant strong 96 100% ---
probe402 strong 96 100% ---
5 of 63 other ranked services in Verification

ASSESSMENT

updated 2h ago

The parts the verdict above is computed from, each with its proof. Click any chip. Measured values stay read-only; unknown is honest, and an unknown is never counted as a zero.

reliability 100%
uptime 24h
-
uptime 7d
-
uptime 30d
-
uptime 90d
-
response p95
268ms
avg response
268ms
total checks
1

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

compliance A (14/14)

14 of 14 x402 conformance checks pass. Full checklist below.

jump to compliance checklist

price $0.005 to $0.35 (p24 in Verification)
price (min)
$0.005
price (max)
$0.35
category percentile (min)
p24 in Verification
category percentile (max)
p66 in Verification
endpoints / prices
10 / 7
model
tiered
stability
100%
risk clean

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
15d
registrar
Cloudflare, Inc.
hosting
custom
domain created
2026-08-18

Identity facts, not a risk score.

traction $0.00 30d · 0 buyers
volume 30d
$0.00
buyers 30d
0
settlements 30d
0
measured since
--- (start of our harvest window)
last settlement
---
top buyer share
-
trend 7d vs 30d
-
networks
eip155:137, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d
volume all-time
$0
settlements all-time
0
median settlement 30d
-
max settlement 30d
-
settled via
-

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

Top buyer share is a concentration signal, not part of the ranking score.

WHAT IT DOES

ai-derived

No AI synthesis has been produced for this service yet.

ENDPOINTS

Service endpoints with HTTP method, path, description, pricing, and network
METHOD PATH DESCRIPTION PRICE NETWORK ASSET 402 CHANNEL
GET /v1/x402/authority/solana/So11111111111111111111111111111111111111112 $0.005 Arbitrum One/Avalanche/Base/Polygon/Solana USDC header
GET /v1/x402/launches $0.02 Arbitrum One/Avalanche/Base/Polygon/Solana USDC header
GET /v1/x402/radar $0.01 Arbitrum One/Avalanche/Base/Polygon/Solana USDC header
GET /v1/x402/signals/solana/So11111111111111111111111111111111111111112 $0.05 Arbitrum One/Avalanche/Base/Polygon/Solana USDC header
POST /v1/x402/token-risk $0.02 Arbitrum One/Avalanche/Base/Polygon/Solana USDC header
POST /v1/x402/token-risk/batch $0.15 Arbitrum One/Avalanche/Base/Polygon/Solana USDC header
GET /v1/x402/token-risk/history/solana/So11111111111111111111111111111111111111112 $0.02 Arbitrum One/Avalanche/Base/Polygon/Solana USDC header
GET /v1/x402/token-risk/report/solana/So11111111111111111111111111111111111111112 $0.35 Arbitrum One/Avalanche/Base/Polygon/Solana USDC header
GET /v1/x402/token-risk/solana/So11111111111111111111111111111111111111112 $0.02 Arbitrum One/Avalanche/Base/Polygon/Solana USDC header
POST /v1/x402/wallet $0.10 Arbitrum One/Avalanche/Base/Polygon/Solana USDC header
10 endpoints

REQUEST / RESPONSE EXAMPLE

An unpaid request to GET /v1/x402/authority/solana/So11111111111111111111111111111111111111112 returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.

// request
curl -i 'https://hostdefi.com/api/v1/x402/authority/solana/So11111111111111111111111111111111111111112'
// 402 response (captured by monitor) · 10 payloads · click to expand
[
  {
    "error": "PAYMENT-SIGNATURE header is required",
    "accepts": [
      {
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "payTo": "GV7xArquxfuhgWG4P4DKu6fZRbKiCm7y8sBAyjk74sgh",
        "amount": "20000",
        "scheme": "exact",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "20000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "20000",
        "scheme": "exact",
        "network": "eip155:137",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "20000",
        "scheme": "exact",
        "network": "eip155:42161",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "20000",
        "scheme": "exact",
        "network": "eip155:43114",
        "maxTimeoutSeconds": 60
      }
    ],
    "resource": {
      "url": "https://hostdefi.com/api/v1/x402/token-risk/solana/So11111111111111111111111111111111111111112",
      "mimeType": "application/json",
      "description": "HostDeFi token safety verdict (A+–F grade, score, signals) by chain + address",
      "serviceName": "HostDeFi"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "pathParams": {
              "chain": "solana",
              "address": "DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263"
            }
          },
          "output": {
            "type": "json",
            "example": {
              "ok": true,
              "meta": {
                "plan": "x402"
              },
              "risk": {
                "grade": "B",
                "score": 78,
                "verdict": "…"
              },
              "token": {
                "chain": "solana",
                "symbol": "BONK"
              },
              "signals": {}
            }
          }
        },
        "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"
                },
                "pathParams": {
                  "type": "object",
                  "required": [
                    "chain",
                    "address"
                  ],
                  "properties": {
                    "chain": {
                      "type": "string",
                      "description": "Chain id: solana, ethereum, bsc, base, arbitrum, optimism, polygon, avalanche"
                    },
                    "address": {
                      "type": "string",
                      "description": "Token contract address (base58 mint on Solana, 0x… on EVM)"
                    }
                  }
                }
              }
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {
                  "type": "object"
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "error": "PAYMENT-SIGNATURE header is required",
    "accepts": [
      {
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "payTo": "GV7xArquxfuhgWG4P4DKu6fZRbKiCm7y8sBAyjk74sgh",
        "amount": "20000",
        "scheme": "exact",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "20000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "20000",
        "scheme": "exact",
        "network": "eip155:137",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "20000",
        "scheme": "exact",
        "network": "eip155:42161",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "20000",
        "scheme": "exact",
        "network": "eip155:43114",
        "maxTimeoutSeconds": 60
      }
    ],
    "resource": {
      "url": "https://hostdefi.com/api/v1/x402/token-risk",
      "mimeType": "application/json",
      "description": "HostDeFi token safety verdict by free-form query (address or name/ticker → top-liquidity match)",
      "serviceName": "HostDeFi"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "query": "BONK"
            },
            "type": "http",
            "method": "POST",
            "bodyType": "json"
          },
          "output": {
            "type": "json",
            "example": {
              "ok": true,
              "meta": {
                "plan": "x402"
              },
              "risk": {
                "grade": "B",
                "score": 78,
                "verdict": "…"
              },
              "token": {
                "chain": "solana",
                "symbol": "BONK"
              },
              "signals": {}
            }
          }
        },
        "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": {
                  "type": "object",
                  "required": [
                    "query"
                  ],
                  "properties": {
                    "query": {
                      "type": "string",
                      "description": "Token contract address, or an exact name/ticker (resolves to the top-liquidity match)"
                    }
                  }
                },
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "bodyType": {
                  "enum": [
                    "json"
                  ],
                  "type": "string"
                }
              }
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {
                  "type": "object"
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "error": "PAYMENT-SIGNATURE header is required",
    "accepts": [
      {
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "payTo": "GV7xArquxfuhgWG4P4DKu6fZRbKiCm7y8sBAyjk74sgh",
        "amount": "150000",
        "scheme": "exact",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "150000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "150000",
        "scheme": "exact",
        "network": "eip155:137",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "150000",
        "scheme": "exact",
        "network": "eip155:42161",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "150000",
        "scheme": "exact",
        "network": "eip155:43114",
        "maxTimeoutSeconds": 60
      }
    ],
    "resource": {
      "url": "https://hostdefi.com/api/v1/x402/token-risk/batch",
      "mimeType": "application/json",
      "description": "Batch HostDeFi token safety verdicts — up to 10 items per paid call, results in input order",
      "serviceName": "HostDeFi"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "items": [
                {
                  "chain": "solana",
                  "address": "DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263"
                }
              ]
            },
            "type": "http",
            "method": "POST",
            "bodyType": "json"
          },
          "output": {
            "type": "json",
            "example": {
              "ok": true,
              "plan": "x402",
              "results": [
                {
                  "ok": true,
                  "meta": {
                    "plan": "x402"
                  },
                  "risk": {
                    "grade": "B",
                    "score": 78,
                    "verdict": "…"
                  },
                  "token": {
                    "chain": "solana",
                    "symbol": "BONK"
                  },
                  "signals": {}
                }
              ]
            }
          }
        },
        "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": {
                  "type": "object",
                  "required": [
                    "items"
                  ],
                  "properties": {
                    "items": {
                      "type": "array",
                      "items": {
                        "type": "object",
                        "required": [
                          "address"
                        ],
                        "properties": {
                          "chain": {
                            "type": "string"
                          },
                          "address": {
                            "type": "string"
                          }
                        }
                      },
                      "maxItems": 10
                    }
                  }
                },
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "bodyType": {
                  "enum": [
                    "json"
                  ],
                  "type": "string"
                }
              }
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {
                  "type": "object"
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "error": "PAYMENT-SIGNATURE header is required",
    "accepts": [
      {
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "payTo": "GV7xArquxfuhgWG4P4DKu6fZRbKiCm7y8sBAyjk74sgh",
        "amount": "20000",
        "scheme": "exact",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "20000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "20000",
        "scheme": "exact",
        "network": "eip155:137",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "20000",
        "scheme": "exact",
        "network": "eip155:42161",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "20000",
        "scheme": "exact",
        "network": "eip155:43114",
        "maxTimeoutSeconds": 60
      }
    ],
    "resource": {
      "url": "https://hostdefi.com/api/v1/x402/token-risk/history/solana/So11111111111111111111111111111111111111112",
      "mimeType": "application/json",
      "description": "HostDeFi token safety history: dated daily grade/score/liquidity rows for one token, oldest first (recording began 2026-08-16)",
      "serviceName": "HostDeFi"
    },
    "extensions": {
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      },
      {
        "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "20000",
        "scheme": "exact",
        "network": "eip155:43114",
        "maxTimeoutSeconds": 60
      }
    ],
    "resource": {
      "url": "https://hostdefi.com/api/v1/x402/launches",
      "mimeType": "application/json",
      "description": "Fresh token launches with HostDeFi safety pre-reads: newest token profiles annotated with authority state, bundled-launch flag, holder concentration and market depth; the clean flag is fail-closed",
      "serviceName": "HostDeFi"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "chain": "solana",
              "limit": "10"
            }
          },
          "output": {
            "type": "json",
            "example": {
              "ok": true,
              "meta": {
                "plan": "x402"
              },
              "count": 1,
              "launches": [
                {
                  "chain": "solana",
                  "clean": false,
                  "launch": {},
                  "market": {},
                  "address": "…",
                  "authorities": {},
                  "cleanReasons": [
                    "…"
                  ]
                }
              ]
            }
          }
        },
        "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": {
                    "chain": {
                      "type": "string",
                      "description": "Chain filter (default solana)"
                    },
                    "limit": {
                      "type": "integer",
                      "maximum": 20,
                      "minimum": 1,
                      "description": "Max launches returned (default 10)"
                    }
                  }
                }
              }
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {
                  "type": "object"
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "error": "PAYMENT-SIGNATURE header is required",
    "accepts": [
      {
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "payTo": "GV7xArquxfuhgWG4P4DKu6fZRbKiCm7y8sBAyjk74sgh",
        "amount": "10000",
        "scheme": "exact",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "10000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "10000",
        "scheme": "exact",
        "network": "eip155:137",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "10000",
        "scheme": "exact",
        "network": "eip155:42161",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x82c1FE98Ce2a3f444CAf029dAd81C46Cf81ea58b",
        "amount": "10000",
        "scheme": "exact",
        "network": "eip155:43114",
        "maxTimeoutSeconds": 60
      }
    ],
    "resource": {
      "url": "https://hostdefi.com/api/v1/x402/radar",
      "mimeType": "application/json",
      "description": "Recent HostDeFi trend-radar alerts: big dated movers with real market cap, structured JSON",
      "serviceName": "HostDeFi"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "limit": "50"
            }
          },
          "output": {
            "type": "json",
            "example": {
              "ok": true,
              "count": 2,
              "alerts": []
            }
          }
        },
        "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": {
                    "limit": {
                      "type": "integer",
                      "maximum": 100,
                      "minimum": 1,
                      "description": "Max alerts (default 50)"
                    }
                  }
                }
              }
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {
                  "type": "object"
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  }
]

OVER TIME

All charts use the 30d selector; each series spans only the dates it has data for. Every series is also served as JSON at /api/v1/services/hostdefi-token-risk-api/price, /scores, /volume and /buyers. On-chain volume and distinct buyers are measured over the service's settlement address and are a conservative undercount (only settlements that reach a measured facilitator are counted). The on-chain series roll up hourly, so the latest day can be up to about an hour behind; distinct buyers are counted per payout address, so a service that settles to more than one address is an upper bound.

UPTIME
09-02 · uptime 100.0% · 208ms avg09-0209-02
30d UPTIME 100%
RESPONSE TIME
09-02 · 208ms avg09-02 · 208ms avg09-0209-02
AVG RESP 208ms
PRICE (captured 402, USD)
building price history ($0.02)

Median across 10 endpoints. Use the selector to isolate one.

SUB-SCORES (uptime + x402 compliance)
building assessment history (1 day so far)

checklist grew 11->14 on 2026-07-28; a step here is a metric change, not a regression

VOLUME (on-chain settlement, USD)
building volume history (1 day so far)
DISTINCT BUYERS
building buyer history (1 day so far)

COMPLIANCE

14/14 checks pass · grade A

last 402 captured 2026-09-02 · last up 2026-09-02

  • 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

SITE PILLARS

  • homepage reachable
  • openapi doc
  • pricing page
  • llms.txt
  • robots.txt
  • terms page
recent checks (9) live · click to expand
TIME STATUS RESP CAUSE
● OK 201ms
● OK 222ms
● OK 192ms
● OK 181ms
● OK 186ms
● OK 253ms
● OK 137ms
● OK 228ms
● OK 268ms

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HostDeFi Token Risk API listed on x402-list
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HostDeFi Token Risk API uptime on x402-list
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