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mirrored listing x402 eip155:8453

Multi-source oracle: checks a Base tx hash against 3 independent RPC providers in parallel

Multi-source oracle: checks a Base tx hash against 3 independent RPC providers in parallel and only signs an attestation if all of them unanimously agree. If they disagree, the raw per-source breakdown is returned instead of a false attestation — stronger trust than the single-source oracle, priced accordingly.

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50000 (raw units)
price
2
calls / 30d
1
unique payers
2026-09-12
updated

Provider

lab.paidapis.net · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xf74f2020aC3d73F2Bf5ee0F8Bf635475eA881319",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "txHash": ""
        },
        "type": "http"
      },
      "output": {
        "example": {
          "agreeingSources": 0,
          "blockNumber": 0,
          "chain": "",
          "checkedAt": "",
          "confirmed": false,
          "consensusReached": false,
          "signature": "",
          "signed": false,
          "signerAddress": "",
          "sources": [],
          "totalSources": 0,
          "txHash": ""
        },
        "type": "json"
      }
    },
    "schema": {
      "properties": {
        "input": {
          "properties": {
            "queryParams": {
              "properties": {
                "txHash": {
                  "description": "32-byte transaction hash to check.",
                  "type": "string"
                }
              },
              "required": [
                "txHash"
              ],
              "type": "object"
            }
          }
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "agreeingSources": {
                  "type": "integer"
                },
                "blockNumber": {
                  "type": [
                    "integer",
                    "null"
                  ]
                },
                "chain": {
                  "type": "string"
                },
                "checkedAt": {
                  "type": "string"
                },
                "confirmed": {
                  "type": [
                    "boolean",
                    "null"
                  ]
                },
                "consensusReached": {
                  "type": "boolean"
                },
                "signature": {
                  "type": "string"
                },
                "signed": {
                  "type": "boolean"
                },
                "signerAddress": {
                  "type": "string"
                },
                "sources": {
                  "items": {
                    "type": "object"
                  },
                  "type": "array"
                },
                "totalSources": {
                  "type": "integer"
                },
                "txHash": {
                  "type": "string"
                }
              },
              "type": "object"
            }
          }
        }
      }
    }
  }
}

Use it

curl

curl "https://lab.paidapis.net/api/verify-tx-multi-source"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://lab.paidapis.net/api/verify-tx-multi-source");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://lab.paidapis.net/api/verify-tx-multi-source")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/12410.json, and this resource appears in /discovery/resources and /discovery/search.