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canonicalhash

Verifiable action receipt for AI agents. Submit any JSON action object and get back an EIP-712 signed receipt proving the action occurred at a specific time. Tamper-evident, non-repudiable by the service, and verifiable by anyone at POST /v1/verify. Use when an agent needs an audit trail, compliance record, or provenance proof. $0.001 per receipt.

Resource URL

https://canonicalhash-production.up.railway.app/v1/receipt

Payment options

exactBase (8453)

$0.001 USDC

Max amount

Pay to
0xfBF6eb2d6eF4D4a2F528aDEF116d641CA5E89681
Timeout
60s

Tags

receiptauditprovenancecomplianceagent-audit

For agents

Prompt snippet for AI agents

Find and pay for this x402 resource:
URL: https://canonicalhash-production.up.railway.app/v1/receipt
Type: http
Sources: payai

Developer