# FedNow ISO 20022 Message Specifications

**Canonical:** https://apis.io/apis/fednow/fednow-iso-20022-message-specifications/  
**Provider:** FedNow Service — https://apis.io/providers/fednow/  
**Documentation:** https://www.frbservices.org/financial-services/fednow/what-is-iso-20022-why-does-it-matter

FedNow ISO 20022 Message Specifications is one of 5 APIs that [FedNow Service](https://apis.io/providers/fednow/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include ISO 20022, Messaging, and Real-Time Payments. The published artifact set on APIs.io includes API documentation and an API reference.

The core scheme messaging surface of the FedNow Service. FedNow is ISO 20022 native and defines message types for customer credit transfers, requests for payment, interbank liquidity transfers, and system/account reporting. The current message specifications, implementation guide, message flows, and readiness/testing portal are hosted on SWIFT MyStandards and require a SWIFT account to access.

## Machine-readable artifacts (2)

- **Documentation** — https://www.frbservices.org/financial-services/fednow/what-is-iso-20022-why-does-it-matter
- **APIReference** — https://www2.swift.com/mystandards/#/group/Federal_Reserve_Financial_Services

## Other FedNow Service APIs (4)

- [FedNow Account Balance API](https://apis.io/apis/fednow/fednow-account-balance-api/)
- [FedNow Network Intelligence API](https://apis.io/apis/fednow/fednow-network-intelligence-api/)
- [FedNow Participant List API](https://apis.io/apis/fednow/fednow-participant-list-api/)
- [FedNow Ping API](https://apis.io/apis/fednow/fednow-ping-api/)

## Tags

ISO 20022, Messaging, Real-Time Payments

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/fednow/fednow-iso-20022-message-specifications/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/fednow/.