Api Endpoint

www.taifoon.io

V5 settlement proof for one transaction or block

Open interactive test console

Offering

Provider: www.taifoon.io
Method: POST
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://www.taifoon.io/api/x402/settlement-proof
MIME type: Not provided
First seen: 2026-10-16T02:11:05.494Z
Last seen: 2026-10-27T23:38:41.471Z
Tags: settlement-proof (x402 namespace)

Website

Payment pricing

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

Payment option 1: 0.5 USDC
Atomic price: 500000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2: 0.5 USDC
Atomic price: 500000 · Network: eip155:42161 · Asset: USDC · Scheme: exact
Payment option 3: 500000 atomic units
Atomic price: 500000 · Network: eip155:5042 · Asset: 0x3600000000000000000000000000000000000000 · Scheme: exact
Payment option 4: 0.5 USDC
Atomic price: 500000 · Network: eip155:4663 · Asset: USDC · Scheme: exact
Payment option 5: 0.5 USDC
Atomic price: 500000 · Network: eip155:143 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "500000",
    "payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b"
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "amount": "500000",
    "payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b"
  },
  {
    "scheme": "exact",
    "network": "eip155:5042",
    "asset": "0x3600000000000000000000000000000000000000",
    "amount": "500000",
    "payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b"
  },
  {
    "scheme": "exact",
    "network": "eip155:4663",
    "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
    "amount": "500000",
    "payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b"
  },
  {
    "scheme": "exact",
    "network": "eip155:143",
    "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
    "amount": "500000",
    "payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b"
  }
]

Observed health

Status: Healthy
Latest latency: 201 ms
Average latency: 855 ms
HTTP status: 204
Last checked: 2026-11-01T23:46:00.241Z
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": "http",
  "method": "POST",
  "bodyType": "json",
  "body": {
    "chain_id": 8453,
    "tx_hash": "0x8af83d2234c55d8210c6789a39fb4278014db6f540812efd633e8befc1369f74"
  }
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "input": {
      "type": "object",
      "properties": {
        "type": {
          "type": "string",
          "const": "http"
        },
        "method": {
          "type": "string",
          "enum": [
            "POST",
            "PUT",
            "PATCH"
          ]
        },
        "bodyType": {
          "type": "string",
          "enum": [
            "json",
            "form-data",
            "text"
          ]
        },
        "body": {
          "type": "object",
          "properties": {
            "chain_id": {
              "type": "integer",
              "description": "chain id (8453 Base, 5042 Arc, 1 Ethereum, …)"
            },
            "tx_hash": {
              "type": "string",
              "pattern": "^0x[0-9a-fA-F]{64}$",
              "description": "the transaction whose block is proven"
            },
            "block_number": {
              "type": "integer",
              "description": "or: the block to prove"
            }
          },
          "required": [
            "chain_id"
          ]
        },
        "queryParams": {
          "type": "object",
          "additionalProperties": {
            "type": "string"
          }
        },
        "headers": {
          "type": "object",
          "additionalProperties": {
            "type": "string"
          }
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "additionalProperties": false
    },
    "output": {
      "type": "object",
      "properties": {
        "type": {
          "type": "string"
        },
        "example": {
          "type": "object",
          "properties": {
            "skill": {
              "type": "string",
              "const": "settlement-proof"
            },
            "receipt_id": {
              "type": "string"
            },
            "receipt_subject": {
              "type": "string"
            },
            "paid_network": {
              "type": [
                "string",
                "null"
              ]
            },
            "settlement": {
              "type": [
                "string",
                "null"
              ]
            },
            "unconfirmed": {
              "type": "boolean"
            },
            "proof_blob": {
              "type": "object",
              "description": "the portable V5 proof blob: superroot, chainHeaders, superrootProof, blockProof, finality"
            }
          },
          "required": [
            "skill",
            "receipt_id",
            "receipt_subject",
            "proof_blob"
          ]
        }
      },
      "required": [
        "type"
      ]
    }
  },
  "required": [
    "input"
  ]
}