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Kristo Intelligence

payment-readyonline

payment-ready until 2026-11-05

Pay-per-call data API for AI agents on Base: live DeFi trading signals, whale flow (USDC transfers >= $5M), cross-DEX arbitrage radar, on-chain sales history and market stats.

kristo-intelligence-api.onrender.com ↗

Call it x402 v2

x402 v2

Base URL
https://kristo-intelligence-api.onrender.com
Payment
x402 v2, header channel
$ curl -i 'https://kristo-intelligence-api.onrender.com/api/arb/opportunities'

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

Endpoints 6 paid routes on kristo-intelligence-api.onrender.com

GET/api/arb/opportunitiesBase$0.005since 10-29
GET/api/bot-statusBase$0.005since 10-29
GET/api/salesBase$0.005since 10-29
GET/api/statsBase$0.005since 10-29
GET/api/v1/signalBase$0.003since 10-29
GET/api/v1/whaleflowBase$0.003since 10-29

Prices as captured in the 402 response: median $0.005 across the 6 endpoints, unchanged since first capture.

Example 402 response

Endpoints and prices

Current paid endpoints; minimum quoted prices in USD where available; first capture dates in UTC
MethodPathDescriptionPriceNetworkAsset402 channelCaptured
GET/api/arb/opportunitiesKristo Intelligence - paid API data (/api/arb/opportunities)$0.005BaseUSDCheadersince 10-29
GET/api/bot-statusTelegram sales bot status: heartbeat, subscribers, processed commands and service wallet state · updated live.$0.005BaseUSDCheadersince 10-29
GET/api/salesKristo Intelligence - paid API data (/api/sales)$0.005BaseUSDCheadersince 10-29
GET/api/statsKristo Intelligence - paid API data (/api/stats)$0.005BaseUSDCheadersince 10-29
GET/api/v1/signalLive DeFi trading signal: action, confidence and one-line reasoning for ETH/ONDO/KAITO/DEGEN · refreshed under 5 minutes from live market data.$0.003BaseUSDCheadersince 10-29
GET/api/v1/whaleflowLive whale flow: USDC transfers ≥ $5M on Base with labeled counterparties · scanned continuously (freshness follows the RPC provider's limits; the response always states the block scanned to).$0.003BaseUSDCheadersince 10-29

Payment evidence

402 payload captured at . Check evidence JSON · Measurement methodology.

First of 6 payloads captured by the monitor.

99 lines, scroll inside

{
  "error": "payment_required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xd4cdA900839c0feD4374EE37EA0dbe8E4C6fd08f",
      "amount": "3000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 60
    }
  ],
  "resource": {
    "url": "https://kristo-intelligence-api.onrender.com/api/v1/signal",
    "tags": [
      "crypto",
      "whale-tracking",
      "x402",
      "arbitrage",
      "signals"
    ],
    "iconUrl": "https://kristo-intelligence-api.onrender.com/static/icons/kristo.svg",
    "mimeType": "application/json",
    "description": "Live DeFi trading signal: action, confidence and one-line reasoning for ETH/ONDO/KAITO/DEGEN — refreshed under 5 minutes from live market data.",
    "serviceName": "Kristo Intelligence"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {}
        },
        "output": {
          "example": {
            "signals": [
              {
                "token": "ETH",
                "action": "watch",
                "price_usd": 2426.55,
                "reasoning": "spot premium within tolerance; depth confirming",
                "scan_info": {
                  "checked_at": "2026-10-19T09:19:50+00:00",
                  "verification": "verified"
                },
                "confidence": "high"
              }
            ],
            "generated_at": "2026-10-19T09:20:00+00:00"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "type": "string",
                "const": "GET"
              },
              "queryParams": {
                "type": "object",
                "properties": {},
                "description": "No query parameters: none are required — call this route as plain GET without a query string.",
                "additionalProperties": false
              }
            }
          },
          "output": {
            "type": "object",
            "properties": {
              "example": {
                "type": "object",
                "description": "Paid JSON response payload"
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}
Other captured 402 responses (5)

Captured payload 2 of 6

{
  "error": "payment_required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xd4cdA900839c0feD4374EE37EA0dbe8E4C6fd08f",
      "amount": "3000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 60
    }
  ],
  "resource": {
    "url": "https://kristo-intelligence-api.onrender.com/api/v1/whaleflow",
    "tags": [
      "crypto",
      "whale-tracking",
      "x402",
      "arbitrage",
      "signals"
    ],
    "iconUrl": "https://kristo-intelligence-api.onrender.com/static/icons/kristo.svg",
    "mimeType": "application/json",
    "description": "Live whale flow: USDC transfers ≥ $5M on Base with labeled counterparties — scanned continuously (freshness follows the RPC provider's limits; the response always states the block scanned to).",
    "serviceName": "Kristo Intelligence"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {}
        },
        "output": {
          "example": {
            "count": 1,
            "state": "ok",
            "source": "onchain_eth_getLogs",
            "whales": [
              {
                "ts": "2026-10-19T09:15:00+00:00",
                "tx_hash": "0x9f2c…",
                "to_label": "unknown",
                "from_label": "Binance",
                "amount_usdc": 5200000,
                "block_number": 52610000
              }
            ],
            "last_event_at": "2026-10-19T09:15:00+00:00",
            "all_time_count": 47,
            "threshold_usdc": 5000000,
            "scanned_until_block": 52610105
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "type": "string",
                "const": "GET"
              },
              "queryParams": {
                "type": "object",
                "properties": {},
                "description": "No query parameters: none are required — call this route as plain GET without a query string.",
                "additionalProperties": false
              }
            }
          },
          "output": {
            "type": "object",
            "properties": {
              "example": {
                "type": "object",
                "description": "Paid JSON response payload"
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 3 of 6

{
  "error": "payment_required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xd4cdA900839c0feD4374EE37EA0dbe8E4C6fd08f",
      "amount": "5000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 60
    }
  ],
  "resource": {
    "url": "https://kristo-intelligence-api.onrender.com/api/stats",
    "tags": [
      "crypto",
      "whale-tracking",
      "x402",
      "arbitrage",
      "signals"
    ],
    "iconUrl": "https://kristo-intelligence-api.onrender.com/static/icons/kristo.svg",
    "mimeType": "application/json",
    "description": "Kristo Intelligence - paid API data (/api/stats)",
    "serviceName": "Kristo Intelligence"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {}
        },
        "output": {
          "example": {
            "today": "2026-10-19",
            "top_paths": [
              {
                "path": "/api/v1/signal",
                "count": 70
              },
              {
                "path": "/api/v1/whaleflow",
                "count": 30
              }
            ],
            "requests_today": 120,
            "requests_total": 5400
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "type": "string",
                "const": "GET"
              },
              "queryParams": {
                "type": "object",
                "properties": {},
                "description": "No query parameters: none are required — call this route as plain GET without a query string.",
                "additionalProperties": false
              }
            }
          },
          "output": {
            "type": "object",
            "properties": {
              "example": {
                "type": "object",
                "description": "Paid JSON response payload"
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 4 of 6

{
  "error": "payment_required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xd4cdA900839c0feD4374EE37EA0dbe8E4C6fd08f",
      "amount": "5000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 60
    }
  ],
  "resource": {
    "url": "https://kristo-intelligence-api.onrender.com/api/sales",
    "tags": [
      "crypto",
      "whale-tracking",
      "x402",
      "arbitrage",
      "signals"
    ],
    "iconUrl": "https://kristo-intelligence-api.onrender.com/static/icons/kristo.svg",
    "mimeType": "application/json",
    "description": "Kristo Intelligence - paid API data (/api/sales)",
    "serviceName": "Kristo Intelligence"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {}
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "type": "string",
                "const": "GET"
              },
              "queryParams": {
                "type": "object",
                "properties": {},
                "description": "No query parameters: none are required — call this route as plain GET without a query string.",
                "additionalProperties": false
              }
            }
          },
          "output": {
            "type": "object",
            "properties": {
              "example": {
                "type": "object",
                "description": "Paid JSON response payload"
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 5 of 6

{
  "error": "payment_required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xd4cdA900839c0feD4374EE37EA0dbe8E4C6fd08f",
      "amount": "5000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 60
    }
  ],
  "resource": {
    "url": "https://kristo-intelligence-api.onrender.com/api/bot-status",
    "tags": [
      "crypto",
      "whale-tracking",
      "x402",
      "arbitrage",
      "signals"
    ],
    "iconUrl": "https://kristo-intelligence-api.onrender.com/static/icons/kristo.svg",
    "mimeType": "application/json",
    "description": "Telegram sales bot status: heartbeat, subscribers, processed commands and service wallet state — updated live.",
    "serviceName": "Kristo Intelligence"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {}
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "type": "string",
                "const": "GET"
              },
              "queryParams": {
                "type": "object",
                "properties": {},
                "description": "No query parameters: none are required — call this route as plain GET without a query string.",
                "additionalProperties": false
              }
            }
          },
          "output": {
            "type": "object",
            "properties": {
              "example": {
                "type": "object",
                "description": "Paid JSON response payload"
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 6 of 6

{
  "error": "payment_required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xd4cdA900839c0feD4374EE37EA0dbe8E4C6fd08f",
      "amount": "5000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 60
    }
  ],
  "resource": {
    "url": "https://kristo-intelligence-api.onrender.com/api/arb/opportunities",
    "tags": [
      "crypto",
      "whale-tracking",
      "x402",
      "arbitrage",
      "signals"
    ],
    "iconUrl": "https://kristo-intelligence-api.onrender.com/static/icons/kristo.svg",
    "mimeType": "application/json",
    "description": "Kristo Intelligence - paid API data (/api/arb/opportunities)",
    "serviceName": "Kristo Intelligence"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {}
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "type": "string",
                "const": "GET"
              },
              "queryParams": {
                "type": "object",
                "properties": {},
                "description": "No query parameters: none are required — call this route as plain GET without a query string.",
                "additionalProperties": false
              }
            }
          },
          "output": {
            "type": "object",
            "properties": {
              "example": {
                "type": "object",
                "description": "Paid JSON response payload"
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Can I trust it score from our own monitoring

score from our own monitoring

97/100 Strong

#2 of 213 in AI. Bands: strong 93+, solid 75+, mixed 55+, weak below 55.

Reliability
100% uptime since 10-29
Compliance
A 14/14 checks pass
Price
$0.003 to $0.005 p28 in AI
Risk
clean no risk flag
Traction
---
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 2026-10-29. Last up 2026-10-29.

── 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, latest daily rollup (no 30d window yet), 390ms response p95, x402 compliance 14 of 14, $0.003 price against the category. 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 AI, 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 213 listings, this one among them: the same 213 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.

All measured facts

What it does

Pay-per-call data API for AI agents on Base: live DeFi trading signals, whale flow (USDC transfers >= $5M), cross-DEX arbitrage radar, on-chain sales history and market stats. Every paid route returns HTTP 402 with a self-describing x402 v2 challenge · pay USDC on Base (EIP-3009, no API keys, no signup) and retry with the X-Payment header. $0.003-0.005 per call. Also available as Streamable HTTP MCP at /mcp. MIT-licensed.

Kristo Intelligence is a listed x402 AI 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 . Latest service check observed at . Service data JSON · Measurement methodology.

Page rendered at . This response time is separate from the observation and computation times attached to each measurement.

Latest endpoint observation: . Latest price capture: . 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 . 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: 2026-09-30 to 2026-10-29 UTC. Daily monitoring and settlement rollups do not expose their computation time; a bucket date is not an update timestamp. 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 · AI

uptime · latest daily rollup
-
uptime 7d
-
uptime 30d
-
uptime 90d
-
response p95
390ms
avg response
390ms
total checks
1

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

price (min)
$0.003
price (max)
$0.005
category percentile (min)
p28 in AI
category percentile (max)
p14 in AI
endpoints / prices
6 / 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
-
registrar
-
hosting
free host
domain created
---

Identity facts, not a risk score.

On-chain traction has not been assessed for this service yet.

member since
2026-10-29
Recent checks
Latest 8 unpaid HTTP checks, newest first; response times in milliseconds, observation times in UTC
Checked at (UTC)StatusHTTPResponseEndpoints
Online402464ms6
Online402462ms6
Online402453ms6
Online402500ms6
Online402340ms6
Online402709ms6
Online402287ms6
Online402390ms6

Changes0 in 30d

No changes recorded in the last 30 days.

all changes

Over time

On-chain volume

On-chain traction has not been assessed for this service yet.

Uptime no completed-day data
Uptime
no completed-day data

On-chain traction has not been assessed for this service yet.

More charts
Response time daily average, ms min 446ms, avg 446ms, max 446ms

09-30 to 10-29* UTC

Each series spans only the dates it has data for. Every series is also served as JSON at /api/v1/services/kristo-intelligence/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.

Assessment history last recorded at . Each UTC day uses its last recorded run; missing readings stay unmeasured. Assessment history JSON · Measurement methodology.

Daily values, 2026-10-29 to 2026-10-29: uptime percent, average response milliseconds, compliance passed/total, price percentile 0-100, site signals out of 6; UTC dates
DayUptimeResponseCompliancePrice percentileSite signals
2026-10-29*100%446.50ms14/14p284/6

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5 of 212 other ranked services in AI, ordered by the same measured score.

see the whole category

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Earn the verified tier: x402list pays a real call to this endpoint and, if it delivers, the service is delivery-verified. The fee covers the cost of the probe, not the badge; there is no refund if the call does not deliver. Agent and API only, no in-browser signing. See /api.

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Delisting

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