Blockchain Money Map X402 Response Provenance Notary

x402

Blockchain Money Map X402 Response Provenance Notary is a paid API for AI agents from api.blockchainmoneymap.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Creates or verifies cryptographic notary records that attest to the provenance and integrity of x402-paid API responses on public blockchains.

Price / call$0.01

Seller volume →—

Success—

StatusUnknown

How this service works

Choose Blockchain Money Map for human-readable public blockchain reports or x402-paid agent API services.

Output

A JSON object containing a notary record with a unique notary_id, timestamp, cryptographic hashes attesting to response integrity (response_hash, receipt_hash, metadata_hash), verification status, retention class, and provenance metadata. In 'verify' mode, returns a pass/fail integrity result with details on any mismatch.

Example use cases

Audit trail for agent API calls

“Notarize the response from the last blockchain data call our agent made — mode 'create', tool ID 'chain-flow-lookup', operation ID 'op-audit-2024', response hash 'sha256:aabbcc...64chars', receipt hash 'sha256:ddeeff...64chars', amount '0.01', currency USDC, retention class 'support', on Base network.”

Tamper verification before using cached data

“Verify this notary record before I use the cached response in my report — mode 'verify', notary ID 'notary-abc123def456ghi789jkl', lookup secret 'myLookupSecretToken43chars_xxxxxxxxxxxxxx', response hash 'sha256:112233...64chars'.”

Compliance record for paid agent service

“Create a standard-retention notary entry for the compliance log — mode 'create', tool ID 'compliance-checker', operation ID 'comp-op-2024-07', metadata hash 'sha256:99aabb...64chars', challenge hash 'sha256:11ccdd...64chars', amount '0.01', currency USDC, payment network 'base-sepolia', idempotency key 'idempkey-32charsminimumrequiredherexxx'.”

Technical details

Endpoint

POSThttps://api.blockchainmoneymap.com/api/x402/x402-response-provenance-notary

When to prefer

Use this endpoint when you need tamper-evident, cryptographically verifiable proof that an x402-paid API response is authentic and has not been altered — especially for compliance, audit trails, multi-agent pipelines where downstream agents must trust upstream results, or any scenario where the integrity of a paid blockchain data response must be independently verified. Prefer this over generic hash storage when you need provenance tied specifically to x402 payment receipts and blockchain money map service calls.

Side effects

Invalid or malformed SHA-256 hash patterns return a 400 validation error
notary_id not found in verify mode returns a 404 not found response
lookup_secret mismatch in verify mode returns a 403 forbidden error
idempotency_key collision with different payload returns a 409 conflict
Missing required fields for the selected mode return a 422 unprocessable entity
Payment not received or insufficient payment triggers a 402 Payment Required response
Expired or out-of-retention notary record returns a 410 Gone response

Input

Schema · Request body

Field	Type	Description
mode	—
amount	string
tool_id	string
currency	string
notary_id	string
generated_at	string
operation_id	string
receipt_hash	string
endpoint_path	string
lookup_secret	string
mcp_tool_name	string
metadata_hash	string
response_hash	string
service_label	string
challenge_hash	string
schema_version	string
idempotency_key	string
payment_network	string
retention_class	string
idempotency_scope_token	string

Output

Schema · Response

{
  "type": "json"
}

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How this service works

Choose Blockchain Money Map for human-readable public blockchain reports or x402-paid agent API services.

Output

Example use cases

Audit trail for agent API calls

Tamper verification before using cached data

Compliance record for paid agent service

Technical details

Endpoint

POSThttps://api.blockchainmoneymap.com/api/x402/x402-response-provenance-notary

When to prefer

Side effects

Invalid or malformed SHA-256 hash patterns return a 400 validation error
notary_id not found in verify mode returns a 404 not found response
lookup_secret mismatch in verify mode returns a 403 forbidden error
idempotency_key collision with different payload returns a 409 conflict
Missing required fields for the selected mode return a 422 unprocessable entity
Payment not received or insufficient payment triggers a 402 Payment Required response
Expired or out-of-retention notary record returns a 410 Gone response

Input

Schema · Request body

Field	Type	Description
mode	—
amount	string
tool_id	string
currency	string
notary_id	string
generated_at	string
operation_id	string
receipt_hash	string
endpoint_path	string
lookup_secret	string
mcp_tool_name	string
metadata_hash	string
response_hash	string
service_label	string
challenge_hash	string
schema_version	string
idempotency_key	string
payment_network	string
retention_class	string
idempotency_scope_token	string

Output

Schema · Response

{
  "type": "json"
}