ISO 20022 · External code set
Transactor type codes
Specifies a code to identify the transactor type. External code sets can be downloaded from www.iso20022.org.
| Code | Published name and definition |
|---|---|
DWTP | Digital Wallet Provider Entity that offers a digital wallet solution enabling users to store payment instruments and initiate transactions electronically. |
GATW | Gateway Service provider that acts as an intermediary between merchants and payment networks, securely transmitting transaction data. |
IDSO | Indepentent Sales Organisation Third-party entity that partners with acquiring banks to provide merchant services, recruit merchants, and manage relationships. |
MKTP | Marketplace Platform that connects buyers and sellers, facilitating transactions and often handling payment processing and settlement. |
PMFT | Payment Facilitator Entity that enables sub-merchants to accept electronic payments without requiring each sub-merchant to have a direct merchant account. |
RMPP | Ramp Provider Service that enables conversion between fiat currency and digital assets, facilitating on-ramps and off-ramps. |
SDWP | Staged Digital Wallet Provider Provider of a wallet solution where the funding source and transaction execution are separated into stages. |
UPTA | Utility Payment Aggregator Entity that consolidates bill payments for utilities and provides a single interface for consumers or businesses to pay multiple service providers. |
Message references 20
Versions listed in the source workbook, including older versions. This list does not establish which messages a bank, network or provider supports.
cafc.002.001.04Fee Collection Response V04cain.021.001.04Retrieval Initiation V04cain.015.001.04Retrieval Fulfilment Response V04cain.022.001.04Retrieval Response V04caad.009.001.03Administrative Response V03cain.001.001.05Authorisation Initiation V05cain.024.001.04Card Management Response V04cain.006.001.05Reversal Response V05cafc.001.001.04Fee Collection Initiation V04cain.004.001.05Financial Response V05cain.014.001.04Retrieval Fulfilment Initiation V04cain.016.001.04Inquiry Verification Initiation V04cain.017.001.04Inquiry Verification Response V04cain.023.001.04Card Management Initiation V04cain.027.001.04Charge Back Initiation V04cain.002.001.05Authorisation Response V05cain.005.001.05Reversal Initiation V05cain.028.001.04Charge Back Response V04caad.008.001.03Administrative Initiation V03cain.003.001.05Financial Initiation V05
Source: UsageInMsgs sheet in 2Q2026_externalcodesets_v3.xlsx.