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Notarize an AI agent decision, audit record, or any payload to Base mainnet. Sub...

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

Overview

Notarize an AI agent decision, audit record, or any payload to Base mainnet. Submit SHA-256 hash + metadata; get a tamper-proof verifiable receipt immediately. Merkle proof and on-chain anchor_tx available free after batch (~120s). Use Idempotency-Key to prevent double-charges on retry.

Protocol x402 (POST)
Price $0.05
Payment Asset USD Coin
Payment Network eip155:8453
Category uncategorized
Provider x402
Source bazaar
Indexed 2026-09-15 09:14:05

Health

Status degraded
Latency (p50) 500ms
Uptime (30d) 100.0%
Reliability Score 90/100
Last Checked 2026-10-31 07:11:58
Last Healthy 2026-10-31 06:09:29
Consecutive Failures 0

x402 Payment Validation

Payment Requirements Invalid
Asset Verified —
Facilitator —

Input Schema

{ "body": { "metadata": { "agent_id": "my-agent-v1", "decided_at": "2026-09-12T10:00:00Z", "decision_hash": "b94f6f125c79e3a5ffaa826f584c10d52ada669e6762051b826b55776d05a3d7", "input_hash": "a665a45920422f9d417e4867efdc4fb8a04a1f3fff1fa07e998e86f7f7a27ae3" }, "payload_hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", "schema": "agent_decision" }, "bodyType": "json", "method": "POST", "type": "http" }