# notary.forgemesh.io — x402 Notary
> Cryptographic receipts for AI inference. POST {prompt, response, model_id}, pay $0.001 USDC via x402 on Base mainnet, get a signed Ed25519 attestation + sha256 content hash + Merkle chain anchor. Raw prompt/response text is not persisted by default. Verification is free — any agent can verify any other agent's work before acting on it.

## Notarize (paid)
POST /api/notarize — $0.001 — Signed attestation for one inference {prompt, response, model_id, client_timestamp?, metadata?}
POST /api/notarize/batch — $0.005 — Notarize up to 20 records in one call

## Verify (free)
POST /api/verify — free — Verify an attestation: recomputes the content hash, checks the Ed25519 signature, returns the Merkle inclusion proof + anchor status
GET /api/receipt/{id} — free — Public receipt/proof material; raw payload is not stored by default
GET /api/stats — free — Aggregate notarization stats (public dashboard feed)
GET /api/pubkey — free — Notary Ed25519 public key for offline verification

## Payment
- Network: Base mainnet (eip155:8453)
- Receiving wallet: 0x814EfE784709f5bF8dF47735D87602B01030e5D2
- Currency: USDC
- Protocol: x402 — agents pay per call in USDC, no API key needed
- Extensions: bazaar discovery, payment-identifier (idempotent retries)

## MCP
- Hosted MCP endpoint (streamable HTTP): POST https://notary.forgemesh.io/mcp — free tools execute; notarization tools return x402 payment instructions (challenge-first, no keys server-side)
- Local MCP with automatic payment: npx -y @forgemeshlabs/x402-notary-mcp (env WALLET_PRIVATE_KEY)

## Backlinks / related products
- https://forgemesh.io — ForgeMesh agent infrastructure
- https://anomaly.forgemesh.io — Anomaly Tracker (x402)
- https://disruption.forgemesh.io — Disruption Intelligence (x402)
- https://x402.coinopai.com — Kronos signals + agent prompts (x402)

## ForgeMesh Fleet
POST https://x402.forgemesh.io/fleet-products — $0.05 — Paid registry: id, name, host, category, route_count, price_range for every ForgeMesh x402 product
POST https://x402.forgemesh.io/fleet-product-detail — $0.05 — Paid spec sheet: every route, method, price, input schema, worked example for one product
GET https://x402.forgemesh.io/llms.txt — free — Index of the full ForgeMesh Utility Grid, including both registry endpoints above