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OnchainPulse ISO Receipt — On-Chain Settlement to ISO 20022 Credit Notification
x402
OnchainPulse ISO Receipt — On-Chain Settlement to ISO 20022 Credit Notification is a paid API for AI agents from onchainpulse.theaslangroupllc.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).
Converts an EVM transaction hash into a bank-reconcilable ISO 20022 camt.054-style credit notification (XML + JSON) with a deterministic evidence bundle (canonical SHA-256 hashes) and an Ed25519 signature, covering ERC-20 transfers on 11 EVM chains.
Price / call$0.05
Success—
StatusUnknown
How this service works
Bank-reconcilable receipt for any on-chain settlement: turn a transaction hash into an ISO 20022 camt.054-style credit notification (XML + JSON), a deterministic evidence bundle with canonical SHA-256 hashes, and an Ed25519 signature anyone can verify without an API key at /verify.html. Same tx always yields a byte-identical bundle. Covers ERC-20 transfers on 11 EVM chains and SPL transfers on Solana (incl. x402 USDC settlements). Params: tx (required), chain (default base), perspective.
Output
Returns a byte-identical (deterministic) bundle containing: an ISO 20022 camt.054-style credit notification in both XML and JSON formats, a canonical SHA-256 hash of the evidence bundle, and an Ed25519 signature verifiable without an API key at /verify.html. The same transaction hash always yields the same byte-for-byte output.
Example use cases
Reconcile x402 USDC payment in accounting
“I just received a USDC payment via x402 on Base — tx hash is 0x7f3a...d9b2. Can you generate an ISO 20022 camt.054-style credit notification for it so I can reconcile it in our accounting system? My receiving address is 0x1234...abcd.”
Audit trail for ERC-20 settlement
“We need a compliance-grade evidence bundle for the ERC-20 transfer with hash 0x9e1c...4f77 on Polygon. Generate the deterministic receipt with SHA-256 hashes and the Ed25519 signature so our auditor can verify it independently.”
Client invoice proof of crypto payment
“My client paid in USDC on Ethereum — the tx hash is 0x5b2d...e831. Can you produce a bank-reconcilable XML receipt in ISO 20022 format so I can attach it to their invoice as proof of settlement?”
Technical details
Endpoint
GEThttps://onchainpulse.theaslangroupllc.com/api/iso-receiptWhen to prefer
Choose this endpoint when you need a bank-reconcilable, audit-grade receipt for an on-chain ERC-20 or USDC settlement — especially for ISO 20022 compliance workflows, accounting reconciliation, or verifiable evidence bundles. Prefer it over generic blockchain explorers when you need a structured, signed, deterministic document rather than raw chain data. Ideal for x402 payment receipts on Base and other EVM chains.
Side effects
- Invalid or malformed transaction hash returns an error
- Transaction not found on the specified chain
- Chain parameter references an unsupported network (only 11 EVM chains covered)
- Transaction is not an ERC-20 transfer (non-ERC-20 txs may not be supported)
- Perspective address not involved in the transaction may return empty or partial data
- Network timeout when fetching on-chain data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| txrequired | string | Transaction hash 0x… |
| chain | string | Chain: ethereum|optimism|bsc|polygon|monad|world|hyperevm|robinhood|base|arbitrum|avalanche (default base) |
| perspective | string | Optional account-holder address for credit/debit direction |
Output
Schema · Response
{
"type": "json",
"example": {}
}Tags
x402
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