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Evidence layer for onchain payments

Receipts

Official documentation for ProofRails — the open evidence and translation layer for onchain payments.

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Receipts

A ProofRails receipt is the canonical record for an onchain payment reference plus its business context and verification state.

A receipt can include:

  • payment reference
  • transaction hash
  • chain
  • amount and currency
  • sender wallet
  • receiver wallet
  • metadata and tags
  • generated ISO-style artifacts
  • evidence bundle URL or hash
  • anchor transaction reference
  • processing status

Receipts are designed for reconciliation, audit trails, agent workflows, and user-facing proof pages.

Idempotency

Duplicate chain + tip_tx_hash or duplicate reference should return the existing receipt rather than creating an accidental duplicate. Use idempotency headers for client retries where enabled.