Payment Failure Codes

When a payment fails, CPN provides a failure reason and a failure code. Depending on when the failure occurs, this information is returned in the synchronous (API) or asynchronous (webhook) response. This failure code can help you understand why the payment failed, and take appropriate steps to resolve the issue. The following sections outline the specific failure codes for failed payments.

General

These codes apply when the failure reason is OTHER.

Failure code	Description
PM00001	General error

Travel rule

These codes apply when the failure reason is TRAVEL_RULE_FAILED.

Failure code	Description
PM01000	A general travel rule failure occurred during travel rule verification
PM01001	The originator address is missing data or doesn’t meet required formatting or jurisdictional standards
PM01002	The beneficiary address is missing data or doesn’t meet required formatting or jurisdictional standards
PM01003	The national ID or passport number provided for the originator is invalid, missing, or fails verification
PM01004	The national ID or passport number provided for the beneficiary is invalid, missing, or fails verification

Bank verification

These codes apply when the failure reason is BANK_VERIFICATION_FAILED.

Failure code	Description
PM02000	General bank detail validation failure
PM02001	The beneficiary bank account details (SWIFT BIC, account alias, account number) are invalid, malformed, or not recognized by the bank or network
PM02002	The beneficiary bank account details provided don’t match the registered beneficiary in the bank’s records
PM02003	The receiving bank isn’t supported
PM02004	The specified account type (checking, savings) isn’t supported

RFI verification

These codes apply when the failure reason is RFI_VERIFICATION_FAILED.

Failure code	Description
PM03000	General RFI verification failure
PM03001	Missing or improperly formatted RFI documents
PM03002	Conflicting data in the RFI submission
PM03003	Expired or outdated RFI documents
PM03004	Rejected after manual compliance review
PM03005	RFI response or review not completed in allowed time

Existing RFI pending

These codes apply when the failure reason is EXISTING_RFI_PENDING.

Failure code	Description
PM04000	An RFI exists on the customer in a non-terminal state

Onchain settlement

These codes apply when the failure reason is ONCHAIN_SETTLEMENT_FAILED.

Failure code	Description
PM05000	General onchain settlement failure
PM05001	Received funds are invalid (wrong asset, insufficient amount, wrong blockchain)

Fiat settlement

These codes apply when the failure reason is FIAT_SETTLEMENT_FAILED.

Failure code	Description
PM06000	General fiat settlement or payout failure
PM06001	Rejected by the receiving bank
PM06002	Rejected by the sending bank
PM06003	Destination account invalid or unregistered
PM06004	Destination account blocked

Compliance check

These codes apply when the failure reason is COMPLIANCE_CHECK_FAILED.

Failure code	Description
PM07000	General compliance check failure
PM07001	Originator blocked or ineligible
PM07002	Beneficiary blocked or ineligible
PM07003	OFI compliance check failed. You may need to complete KYB before proceeding with further payments
PM07004	The beneficiary bank account failed compliance checks

Canceled

These codes apply when the failure reason is CANCELLED.

Failure code	Description
PM08000	Funds were canceled by the originator

Payment expired

These codes apply when the failure reason is PAYMENT_EXPIRED.

Failure code	Description
PM09000	Crypto funds not received in the expected time window