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Api Endpoint

Obol

Exact Bitcoin address heuristic cluster assignment with bounded output

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Offering

Provider
obol.danieldutoit.net
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Blockchain And Crypto
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://obol.danieldutoit.net/v1/bitcoin/address-cluster?address=1dice8EMZmqKvrGE4Qc9bUFf9PX3xaYDp
MIME type
Not provided
First seen
2026-10-16T03:25:59.412Z
Last seen
Tags
blockchain-data, Bitcoin, clustering, address-intelligence, X402, a2a

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.003 USDC
Atomic price: 3000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "3000",
    "payTo": "0x4094383033C1861E2686eaC4d4BBae6F0031F5d2"
  }
]

Observed health

Status
Healthy
Latest latency
811 ms
Average latency
1013 ms
HTTP status
402
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "address": {
          "type": "string",
          "minLength": 14,
          "maxLength": 90,
          "pattern": "^(?:[13][1-9A-HJ-NP-Za-km-z]{25,34}|(?:bc1|BC1)[02-9ac-hj-np-zAC-HJ-NP-Z]{6,87})$",
          "description": "Bitcoin mainnet Base58Check or Bech32/Bech32m address; checksum and network are validated before payment."
        }
      },
      "required": [
        "address"
      ],
      "additionalProperties": true
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object",
      "properties": {
        "network": {
          "type": "string",
          "const": "bitcoin"
        },
        "address": {
          "type": "string",
          "minLength": 14,
          "maxLength": 125
        },
        "clustered": {
          "type": "boolean"
        },
        "cluster": {
          "anyOf": [
            {
              "type": "object",
              "properties": {
                "id": {
                  "type": "string",
                  "pattern": "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$"
                },
                "derivation_block": {
                  "type": "integer",
                  "minimum": 0
                },
                "reason": {
                  "type": "string",
                  "minLength": 1,
                  "maxLength": 64
                }
              },
              "required": [
                "id",
                "derivation_block",
                "reason"
              ],
              "additionalProperties": false
            },
            {
              "type": "null"
            }
          ]
        },
        "coverage": {
          "type": "object",
          "properties": {
            "match_type": {
              "type": "string",
              "const": "exact_address"
            },
            "maximum_results": {
              "type": "integer",
              "const": 1
            }
          },
          "required": [
            "match_type",
            "maximum_results"
          ],
          "additionalProperties": false
        },
        "disclaimer": {
          "type": "string",
          "minLength": 1
        }
      },
      "required": [
        "network",
        "address",
        "clustered",
        "cluster",
        "coverage",
        "disclaimer"
      ],
      "additionalProperties": false,
      "allOf": [
        {
          "if": {
            "properties": {
              "clustered": {
                "const": true
              }
            }
          },
          "then": {
            "properties": {
              "cluster": {
                "type": "object"
              }
            }
          },
          "else": {
            "properties": {
              "cluster": {
                "type": "null"
              }
            }
          }
        }
      ]
    }
  },
  "required": [
    "type"
  ]
}