# RTR Sandbox - Inbound Participant Payment API

**Canonical:** https://apis.io/apis/payments-canada/rtr-inbound-participant-payment-api/  
**Provider:** Payments Canada — https://apis.io/providers/payments-canada/  
**Base URL:** https://api.payments.ca/rtr-sandbox  
**Documentation:** https://developer.payments.ca/rtr-sandbox-api/apis

RTR Sandbox - Inbound Participant Payment API is one of 10 APIs that [Payments Canada](https://apis.io/providers/payments-canada/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Real-Time Rail, Payments, and ISO 20022. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Real-Time Rail sandbox API for sending an RTR payment (ISO 20022 pacs.008 Customer Credit Transfer) to another RTR participant and enquiring on payment status (pacs.028), returning a payment status report (pacs.002) or message reject (admi.002). OAuth2 client-credentials; OpenAPI 3.0.3 harvested verbatim from the developer portal Swagger UI.

## Machine-readable artifacts (5)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/payments-canada/refs/heads/main/openapi/rtr-inbound-participant-payment-api-openapi.yml
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/payments-canada/refs/heads/main/overlays/rtr-inbound-participant-payment-api-overlay.yaml
- **Documentation** — https://developer.payments.ca/rtr-sandbox-api/apis
- **APIReference** — https://storage.googleapis.com/prod-apigee-bucket-swagger/index.html
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/payments-canada/refs/heads/main/apis.yml

## Other Payments Canada APIs (9)

- [RTR Sandbox - Inbound Exchange Heartbeat API](https://apis.io/apis/payments-canada/rtr-inbound-heartbeat-api/)
- [RTR Sandbox - Interest Report API](https://apis.io/apis/payments-canada/rtr-interest-report-api/)
- [RTR Sandbox - Payment Capacity Balance Report API](https://apis.io/apis/payments-canada/rtr-balance-report-api/)
- [Lynx Sandbox API](https://apis.io/apis/payments-canada/lynx-sandbox-api/)
- [ACSS API](https://apis.io/apis/payments-canada/acss-api/)
- [FIF Extracts API](https://apis.io/apis/payments-canada/fif-extracts-api/)
- [FIF Branch API](https://apis.io/apis/payments-canada/fif-branch-api/)
- [CCIN Extracts API](https://apis.io/apis/payments-canada/ccin-extracts-api/)
- [CCIN Lookup API](https://apis.io/apis/payments-canada/ccin-lookup-api/)

## Tags

Real-Time Rail, Payments, ISO 20022

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