# Cross River Instant Payments API

**Canonical:** https://apis.io/apis/cross-river/cross-river-instant-payments-api/  
**Provider:** Cross River — https://apis.io/providers/cross-river/  
**Base URL:** https://sandbox.crbcos.com/core  
**Documentation:** https://docs.crossriver.com/apis/accounts

Cross River Instant Payments API is one of 7 APIs that [Cross River](https://apis.io/providers/cross-river/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Instant Payments. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

RTP, FedNow, and CRNow instant payments (COS Payments, /rtp).

## Machine-readable artifacts (11)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/cross-river/refs/heads/main/openapi/cross-river-instant-payments-api-openapi.yml
- **Documentation** — https://docs.crossriver.com/apis/accounts
- **APIReference** — https://docs.crossriver.com/apis
- **Documentation** — https://docs.crossriver.com/apis/payments/ach
- **APIReference** — https://docs.crossriver.com/apis/payments/ach/apis/send-ach-transaction
- **Documentation** — https://docs.crossriver.com/apis/payments/wires
- **Documentation** — https://docs.crossriver.com/apis/payments/instant-payments
- **Documentation** — https://docs.crossriver.com/concepts/payments/instant-payments/payment-networks
- **Documentation** — https://docs.crossriver.com/apis/cards
- **Documentation** — https://docs.crossriver.com/apis/lending
- **Documentation** — https://docs.crossriver.com/apis/customer-management

## Other Cross River APIs (6)

- [Cross River Accounts API](https://apis.io/apis/cross-river/cross-river-accounts-api/)
- [Cross River ACH API](https://apis.io/apis/cross-river/cross-river-ach-api/)
- [Cross River Cards API](https://apis.io/apis/cross-river/cross-river-cards-api/)
- [Cross River Customer Management API](https://apis.io/apis/cross-river/cross-river-customer-management-api/)
- [Cross River Lending API](https://apis.io/apis/cross-river/cross-river-lending-api/)
- [Cross River Wires API](https://apis.io/apis/cross-river/cross-river-wires-api/)

## Tags

Instant Payments

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/cross-river/cross-river-instant-payments-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/cross-river/.