httpcdpthirdwebultravioletadao

x402.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_anchor status immediately. Full Merkle proof and on-chain anchor_tx available via free GET /v1/notarize/:receipt_id after batch anchors (within batch_threshold receipts or 120s). Include Idempotency-Key header to prevent double-charges on retry.

Resource URL

https://x402.fairseal.io/v1/notarize

Payment options

exactBase (8453)

$0.02 USDC

Max amount

Pay to: 0xBd5eB5559f5Ac14475AC0C81b6735A4d9106ce28
Timeout: 300s

For agents

Prompt snippet for AI agents

Find and pay for this x402 resource:
URL: https://x402.fairseal.io/v1/notarize
Type: http
Sources: cdp, thirdweb, ultravioletadao

Payment options

For agents

Developer