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ISO 20022
Universal financial industry message scheme

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ISO 20022 API Resources

Catalogue

This section gives access to the documentation related to the ISO 20022 message definitions

Please note that the Message Definition Reports (MDRs) and Message Usage Guidelines (MUG) are available at the level of the message set, not at the level of the message definition itself.

To download the MDRs, MUGs, schemas and any additional documentation, you have to select a message set (Account Switching, for example).

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5 Message Sets

Message sets

ATM Interface for Transaction Processing and ATM Management

Last Updated 30 March 2026
Download complete message set
caam
ATM Management
Updated
Download
Message ID (scheme)
Message name
Submitting organisation
Downloads
caam.001.001.05
ATMDeviceReportV05
nexo
XSD
caam.002.001.04
ATMDeviceControlV04
nexo
XSD
caam.003.001.05
ATMKeyDownloadRequestV05
nexo
XSD
caam.004.001.05
ATMKeyDownloadResponseV05
nexo
XSD
caam.005.001.03
ATMDiagnosticRequestV03
nexo
XSD
caam.006.001.02
ATMDiagnosticResponseV02
nexo A.I.S.B.L. & IFX
XSD
caam.007.001.01
HostToATMRequestV01
nexo A.I.S.B.L. & IFX
XSD
caam.008.001.01
HostToATMAcknowledgementV01
nexo A.I.S.B.L. & IFX
XSD
caam.009.001.03
ATMReconciliationAdviceV03
nexo
XSD
caam.010.001.03
ATMReconciliationAcknowledgementV03
nexo
XSD
caam.011.001.02
ATMExceptionAdviceV02
nexo
XSD
caam.012.001.02
ATMExceptionAcknowledgementV02
nexo
XSD
caam.013.001.01
ATMConfigurationReportV01
nexo
XSD
caam.014.001.01
ATMConfigurationControlV01
nexo
XSD
caam.015.001.01
ATMReconciliationRequestV01
nexo
XSD
caam.016.001.01
ATMReconciliationResponseV01
nexo
XSD
catp
ATM Card Transactions
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Message ID (scheme)
Message name
Submitting organisation
Downloads
catp.001.001.03
ATMWithdrawalRequestV03
nexo
XSD
catp.002.001.03
ATMWithdrawalResponseV03
nexo
XSD
catp.003.001.03
ATMWithdrawalCompletionAdviceV03
nexo
XSD
catp.004.001.03
ATMWithdrawalCompletionAcknowledgementV03
nexo
XSD
catp.005.001.02
ATMRejectV02
nexo A.I.S.B.L. & IFX
XSD
catp.006.001.03
ATMInquiryRequestV03
nexo
XSD
catp.007.001.03
ATMInquiryResponseV03
nexo
XSD
catp.008.001.03
ATMCompletionAdviceV03
nexo
XSD
catp.009.001.03
ATMCompletionAcknowledgementV03
nexo
XSD
catp.010.001.03
ATMPINManagementRequestV03
nexo
XSD
catp.011.001.03
ATMPINManagementResponseV03
nexo
XSD
catp.012.001.02
ATMDepositRequestV02
nexo
XSD
catp.013.001.02
ATMDepositResponseV02
nexo
XSD
catp.014.001.02
ATMDepositCompletionAdviceV02
nexo
XSD
catp.015.001.02
ATMDepositCompletionAcknowledgementV02
nexo
XSD
catp.016.001.02
ATMTransferRequestV02
nexo
XSD
catp.017.001.02
ATMTransferResponseV02
nexo
XSD

Acquirer to Issuer Card Messages (ATICA)

Last Updated 04 March 2026
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caad
Card Administration
Updated
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Message ID (scheme)
Message name
Submitting organisation
Downloads
caad.001.001.04
BatchManagementInitiationV04
ISO TC68/SC9/TG1
XSD
caad.002.001.04
BatchManagementResponseV04
ISO TC68/SC9/TG1
XSD
caad.003.001.04
BatchTransferInitiationV04
ISO TC68/SC9/TG1
XSD
caad.004.001.04
BatchTransferResponseV04
ISO TC68/SC9/TG1
XSD
caad.005.001.05
ReconciliationInitiationV05
ISO TC68/SC9/TG1
XSD
caad.006.001.05
ReconciliationResponseV05
ISO TC68/SC9/TG1
XSD
caad.007.001.05
ErrorV05
ISO TC68/SC9/TG1
XSD
caad.008.001.03
AdministrativeInitiationV03
ISO TC68/SC9/TG1
XSD
caad.009.001.03
AdministrativeResponseV03
ISO TC68/SC9/TG1
XSD
caad.010.001.03
CustomReportV03
ISO TC68/SC9/TG1
XSD
cafc
Fee collection
Updated
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Message ID (scheme)
Message name
Submitting organisation
Downloads
cafc.001.001.04
FeeCollectionInitiationV04
ISO TC68/SC9/TG1
XSD
cafc.002.001.04
FeeCollectionResponseV04
ISO TC68/SC9/TG1
XSD
cafm
File Management
Updated
Download
Message ID (scheme)
Message name
Submitting organisation
Downloads
cafm.001.001.04
FileActionInitiationV04
ISO TC68/SC9/TG1
XSD
cafm.002.001.04
FileActionResponseV04
ISO TC68/SC9/TG1
XSD
cafr
Fraud Reporting and Disposition
Updated
Download
Message ID (scheme)
Message name
Submitting organisation
Downloads
cafr.001.001.04
FraudReportingInitiationV04
ISO TC68/SC9/TG1
XSD
cafr.002.001.04
FraudReportingResponseV04
ISO TC68/SC9/TG1
XSD
cafr.003.001.04
FraudDispositionInitiationV04
ISO TC68/SC9/TG1
XSD
cafr.004.001.04
FraudDispositionResponseV04
ISO TC68/SC9/TG1
XSD
cain
Acquirer to Issuer Card Transactions
Updated
Download
Message ID (scheme)
Message name
Submitting organisation
Downloads
cain.001.001.05
AuthorisationInitiationV05
ISO TC68/SC9/TG1
XSD
cain.002.001.05
AuthorisationResponseV05
ISO TC68/SC9/TG1
XSD
cain.003.001.05
FinancialInitiationV05
ISO TC68/SC9/TG1
XSD
cain.004.001.05
FinancialResponseV05
ISO TC68/SC9/TG1
XSD
cain.005.001.05
ReversalInitiationV05
ISO TC68/SC9/TG1
XSD
cain.006.001.05
ReversalResponseV05
ISO TC68/SC9/TG1
XSD
cain.014.001.04
RetrievalFulfilmentInitiationV04
ISO TC68/SC9/TG1
XSD
cain.015.001.04
RetrievalFulfilmentResponseV04
ISO TC68/SC9/TG1
XSD
cain.016.001.04
InquiryVerificationInitiationV04
ISO TC68/SC9/TG1
XSD
cain.017.001.04
InquiryVerificationResponseV04
ISO TC68/SC9/TG1
XSD
cain.020.001.04
AmendmentV04
ISO TC68/SC9/TG1
XSD
cain.021.001.04
RetrievalInitiationV04
ISO TC68/SC9/TG1
XSD
cain.022.001.04
RetrievalResponseV04
ISO TC68/SC9/TG1
XSD
cain.023.001.04
CardManagementInitiationV04
ISO TC68/SC9/TG1
XSD
cain.024.001.04
CardManagementResponseV04
ISO TC68/SC9/TG1
XSD
cain.025.001.04
AddendumInitiationV04
ISO TC68/SC9/TG1
XSD
cain.026.001.04
AddendumResponseV04
ISO TC68/SC9/TG1
XSD
cain.027.001.04
ChargeBackInitiationV04
ISO TC68/SC9/TG1
XSD
cain.028.001.04
ChargeBackResponseV04
ISO TC68/SC9/TG1
XSD
canm
Network Management
Updated
Download
Message ID (scheme)
Message name
Submitting organisation
Downloads
canm.001.001.05
NetworkManagementInitiationV05
ISO TC68/SC9/TG1
XSD
canm.002.001.05
NetworkManagementResponseV05
ISO TC68/SC9/TG1
XSD
canm.003.001.05
KeyExchangeInitiationV05
ISO TC68/SC9/TG1
XSD
canm.004.001.05
KeyExchangeResponseV05
ISO TC68/SC9/TG1
XSD
casr
Settlement Reporting
Updated
Download
Message ID (scheme)
Message name
Submitting organisation
Downloads
casr.001.001.04
SettlementReportingInitiationV04
ISO TC68/SC9/TG1
XSD
casr.002.001.04
SettlementReportingResponseV04
ISO TC68/SC9/TG1
XSD

Card Payments Exchange - Acceptor to Acquirer

Last Updated 30 March 2026
Download complete message set
caaa
Acceptor to Acquirer Card Transactions
Updated
Download
Message ID (scheme)
Message name
Submitting organisation
Downloads
caaa.001.001.15
AcceptorAuthorisationRequestV15
nexo
XSD
caaa.002.001.15
AcceptorAuthorisationResponseV15
nexo
XSD
caaa.003.001.15
AcceptorCompletionAdviceV15
nexo
XSD
caaa.004.001.14
AcceptorCompletionAdviceResponseV14
nexo
XSD
caaa.005.001.15
AcceptorCancellationRequestV15
nexo
XSD
caaa.006.001.14
AcceptorCancellationResponseV14
nexo
XSD
caaa.007.001.15
AcceptorCancellationAdviceV15
nexo
XSD
caaa.008.001.14
AcceptorCancellationAdviceResponseV14
nexo
XSD
caaa.009.001.14
AcceptorReconciliationRequestV14
nexo
XSD
caaa.010.001.13
AcceptorReconciliationResponseV13
nexo
XSD
caaa.011.001.15
AcceptorBatchTransferV15
nexo
XSD
caaa.012.001.14
AcceptorBatchTransferResponseV14
nexo
XSD
caaa.013.001.14
AcceptorDiagnosticRequestV14
nexo
XSD
caaa.014.001.13
AcceptorDiagnosticResponseV13
nexo
XSD
caaa.015.001.06
AcceptorRejectionV06
nexo
XSD
caaa.016.001.13
AcceptorCurrencyConversionRequestV13
nexo
XSD
caaa.017.001.13
AcceptorCurrencyConversionResponseV13
nexo
XSD
caaa.018.001.10
AcceptorCurrencyConversionAdviceV10
nexo
XSD
caaa.019.001.09
AcceptorCurrencyConversionAdviceResponseV09
nexo
XSD
caaa.020.001.07
TransactionAdviceV07
nexo
XSD
caaa.021.001.07
TransactionAdviceResponseV07
nexo
XSD
caaa.022.001.06
AcceptorNonFinancialRequestV06
nexo
XSD
caaa.023.001.06
AcceptorNonFinancialResponseV06
nexo
XSD
caaa.024.001.06
AcceptorTransactionLogReportRequestV06
nexo
XSD
caaa.025.001.06
AcceptorTransactionLogReportResponseV06
nexo
XSD
caaa.026.001.03
AcceptorToAcquirerBatchFileExchangeV03
nexo
XSD
caaa.027.001.03
AcquirerToAcceptorBatchFileExchangeV03
nexo
XSD

Card Payments Exchange - Terminal Management

Last Updated 30 March 2026
Download complete message set
catm
Terminal Management
Updated
Download
Message ID (scheme)
Message name
Submitting organisation
Downloads
catm.001.001.15
StatusReportV15
nexo
XSD
catm.002.001.14
ManagementPlanReplacementV14
nexo
XSD
catm.003.001.15
AcceptorConfigurationUpdateV15
nexo
XSD
catm.004.001.05
TerminalManagementRejectionV05
nexo
XSD
catm.005.001.12
MaintenanceDelegationRequestV12
nexo
XSD
catm.006.001.08
MaintenanceDelegationResponseV08
nexo
XSD
catm.007.001.08
CertificateManagementRequestV08
nexo
XSD
catm.008.001.07
CertificateManagementResponseV07
nexo
XSD

Retailer Protocol

Last Updated 30 March 2026
Download complete message set
casp
Sale to POI Card Transactions
Updated
Download
Message ID (scheme)
Message name
Submitting organisation
Downloads
casp.001.001.08
SaleToPOIServiceRequestV08
nexo
XSD
casp.002.001.08
SaleToPOIServiceResponseV08
nexo
XSD
casp.003.001.08
SaleToPOIReconciliationRequestV08
nexo
XSD
casp.004.001.08
SaleToPOIReconciliationResponseV08
nexo
XSD
casp.005.001.08
SaleToPOISessionManagementRequestV08
nexo
XSD
casp.006.001.08
SaleToPOISessionManagementResponseV08
nexo
XSD
casp.007.001.08
SaleToPOIAdministrativeRequestV08
nexo
XSD
casp.008.001.08
SaleToPOIAdministrativeResponseV08
nexo
XSD
casp.009.001.08
SaleToPOIReportRequestV08
nexo
XSD
casp.010.001.08
SaleToPOIReportResponseV08
nexo
XSD
casp.011.001.08
SaleToPOIAbortV08
nexo
XSD
casp.012.001.08
SaleToPOIEventNotificationV08
nexo
XSD
casp.013.001.02
SaleToPOIMessageRejectionV02
nexo
XSD
casp.014.001.08
SaleToPOIMessageStatusRequestV08
nexo
XSD
casp.015.001.08
SaleToPOIMessageStatusResponseV08
nexo
XSD
casp.016.001.08
SaleToPOIDeviceRequestV08
nexo
XSD
casp.017.001.08
SaleToPOIDeviceResponseV08
nexo
XSD

Which documents can I download from the catalogue of messages?

The following documentation is provided:

  • a Message Definition Report (MDR) and, when necessary a Message Usage Guide (MUG), fully describing each message set
  • the schema of each message definition
  • examples of message instances, when provided by the submitting organization
  • the Business Application Header (BAH) documentation.

Versions

All communities of ISO 20022 users are invited to consider using always the most recent version of the message definitions to ensure worldwide coherence of the versions in use.

Although previous versions remain available in the ISO 20022 Message Archive.

ISO 20022 Business Areas

Access the list of Business Areas defined by the Registration Authority to classify ISO 20022 Message Definitions and the corresponding four-character code used in the Message Identifier of related ISO 20022 Message Definitions

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