FETCH402
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Resource / 1012

healthy

ChainQuery Bitcoin Intelligence.

GET https://intel.chainquery.com/v1/coin-velocity ↗

ChainQuery Bitcoin Intelligence: independent Bitcoin-native on-chain data over x402, no API key. 90- and 365-day rolling coin-velocity time series derived from CDD and supply.

Eligibility
probeable
Failures
0
Last quote
2026-08-13 06:00:03 UTC
Last probe
2026-08-13 06:00:03 UTC
Payment requirements / accepts[] 1 options
State Network Scheme Atomic amount Asset payTo / untrusted
active eip155:8453 exact 10000 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 0x7Cf45cD775Bdf31a5a96fa0A5805DF0b610D87ff

All advertised payment options are stored. Base (`eip155:8453`) is the operational network for ranking and canaries; non-Base options remain visible for transparency.

Probe evidence 1 recent
healthy 2026-08-13 06:00:03 UTC GET · HTTP 402 · 21ms · accepts 1 · base 1 ok
Request
GET https://intel.chainquery.com/v1/coin-velocity
Robots
error
Note
robots_error:{:robots_http_status, 404};http_402;accepts=1;base=1
Accepts fingerprint
735331c7f12b9c161fa7f396043c9218dee85d7f288032f1abf55d6329ffe98f

Accepts snapshot

[
  {
    "amount": "10000",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "assetTransferMethod": null,
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "maxTimeoutSeconds": 300,
    "network": "eip155:8453",
    "payTo": "0x7Cf45cD775Bdf31a5a96fa0A5805DF0b610D87ff",
    "paymentFlow": null,
    "raw": {
      "amount": "10000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "max_timeout_seconds": 300,
      "network": "eip155:8453",
      "payTo": "0x7Cf45cD775Bdf31a5a96fa0A5805DF0b610D87ff",
      "pay_to": "0x7Cf45cD775Bdf31a5a96fa0A5805DF0b610D87ff",
      "scheme": "exact"
    },
    "scheme": "exact"
  }
]

PaymentRequired raw 

{
  "accepts": [
    {
      "amount": "10000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "network": "eip155:8453",
      "payTo": "0x7Cf45cD775Bdf31a5a96fa0A5805DF0b610D87ff",
      "scheme": "exact"
    }
  ],
  "error": "Payment required",
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "type": "http"
        },
        "output": {
          "example": {
            "as_of": "2026-06-19T06:00:00Z",
            "datasets": [
              {
                "data": [
                  7.9,
                  7.8,
                  7.8
                ],
                "label": "90-day velocity (days)"
              },
              {
                "data": [
                  31.4,
                  31.3,
                  31.2
                ],
                "label": "365-day velocity (days)"
              }
            ],
            "labels": [
              "2026-06-17",
              "2026-06-18",
              "2026-06-19"
            ],
            "refreshes_at": "daily",
            "supply_btc": [
              19880000,
              19880100,
              19880200
            ]
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET",
                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {},
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "as_of": {
                    "description": "data freshness timestamp"
                  }
                },
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "resource": {
    "description": "ChainQuery Bitcoin Intelligence: independent Bitcoin-native on-chain data over x402, no API key. 90- and 365-day rolling coin-velocity time series derived from CDD and supply.",
    "iconUrl": "https://intel.chainquery.com/icon.png",
    "mimeType": "application/json",
    "serviceName": "ChainQuery Bitcoin Intelligence",
    "tags": [
      "bitcoin",
      "intelligence",
      "signals",
      "quantum",
      "analytics"
    ],
    "url": "https://intel.chainquery.com/v1/coin-velocity"
  },
  "x402Version": 2
}

Response headers

{
  "cf-cache-status": "DYNAMIC",
  "cf-ray": "a2a57f4b8da0d91c-IAD",
  "connection": "keep-alive",
  "content-length": "2",
  "content-type": "application/json",
  "date": "Thu, 13 Aug 2026 06:00:03 GMT",
  "nel": "{\"report_to\":\"cf-nel\",\"success_fraction\":0.0,\"max_age\":604800}",
  "payment-required": "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",
  "report-to": "{\"group\":\"cf-nel\",\"max_age\":604800,\"endpoints\":[{\"url\":\"https://a.nel.cloudflare.com/report/v4?s=U7lSGdmtN12JxiZ2fx2c8G25g5mQUFdVVV7BjpEZlcSp3GP5jFiIBOvcCGs9FdYEpP9MdmDNQ1PiJXS8j5j7jX1GjQxckexNWqHf%2BPCYtEiBVB7gaZdfoOcLrxMQ8deBDuM0j0uO\"}]}",
  "server": "cloudflare"
}

Response body 

{}

Request headers

{
  "accept": "*/*",
  "user-agent": "Fetch402Bot/0.1 (+https://fetch402.com/crawler; contact: crawler@fetch402.com)"
}

Machine contract

Schemas.

InputJSON
{}
OutputJSON
{}