Payment codes, decoded.

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v1.0

Paste any payment identifier, code, or message type — get instant explanations, validation, and context.

ISO 20022 SWIFT MT ACH Return Codes FedNow SEPA UETR · IBAN · BIC · LEI Zero API · Works Offline
Paste a payment code, message type, or field tag

Common Scenarios

↩️

Bank Return Code

I got a return code from my bank

🌍

Send to Europe

Validate IBAN for SEPA transfer

❌

Payment Failed

What does this error mean?

🏦

BIC / SWIFT Lookup

Verify a bank identifier

📄

ISO 20022 Message

What does this message type mean?

💱

Currency Code

Identify a currency code

🔒 PII detected. This field may contain personal data. AINumbers.co never stores, logs, or transmits any input.
❓
Code not recognized.
PayCode Decoder covers ISO 20022, SWIFT MT, ACH, FedNow, SEPA, UETR, IBAN, BIC, and LEI.

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