Api Endpoint

api.fairseal.io

Anchor an AI agent decision or audit record to Base mainnet. Submit {schema, payload_hash (SHA-256 hex, 64 chars), metadata}; service queues into a Merkle batch and returns a receipt with pending_anc…

Open interactive test console

Offering

Provider: api.fairseal.io
Method: GET
Offering type: Api Endpoint
Transport type: http
Category: Blockchain And Crypto
Delivery: Not provided
Pricing model: Not provided
x402 version: 1

Endpoint context

URL: https://api.fairseal.io/v1/notarize
MIME type: Not provided
First seen: 2026-10-16T02:29:25.860Z
Last seen: 2026-10-25T23:57:27.143Z
Tags: None supplied

Website

Payment pricing

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

Payment option 1: 0.05 USDC
Atomic price: 50000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "payTo": "0xBd5eB5559f5Ac14475AC0C81b6735A4d9106ce28"
  }
]

Observed health

Status: Healthy
Latest latency: 352 ms
Average latency: 822 ms
HTTP status: 200
Last checked: 2026-11-02T22:01:32.747Z
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

{}

Output schema

null