Api Endpoint

proofwork-the402-webhook.phase-voice.workers.dev

Inspect finalized Circle USDC transfers from a Base transaction hash, with optional exact recipient-and-amount verification

Open interactive test console

Offering

Provider
proofwork-the402-webhook.phase-voice.workers.dev
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://proofwork-the402-webhook.phase-voice.workers.dev/v1/base-usdc-receipt
MIME type
application/json
First seen
2026-10-16T02:08:53.176Z
Last seen
Tags
Base, USDC, payment, Transaction, Verification

Payment pricing

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

Payment option 1
0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0xa00836b2d68d2bca89afe5f892b4e942949fcea8"
  }
]

Observed health

Status
Healthy
Latest latency
69 ms
Average latency
96 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": {
        "transaction_hash": {
          "type": "string",
          "pattern": "^0x[a-fA-F0-9]{64}$"
        },
        "expected_recipient": {
          "type": "string",
          "pattern": "^0x[a-fA-F0-9]{40}$"
        },
        "expected_amount_usdc": {
          "type": "string",
          "pattern": "^(?:0|[1-9][0-9]{0,11})(?:\\.[0-9]{1,6})?$"
        }
      },
      "required": [
        "transaction_hash"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "type",
    "method",
    "queryParams"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object"
    }
  },
  "required": [
    "type"
  ]
}