> For the complete documentation index, see [llms.txt](https://docs.maibmerchants.md/request-to-pay/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.maibmerchants.md/request-to-pay/api-reference.md).

# API Reference

- [Endpoints](https://docs.maibmerchants.md/request-to-pay/api-reference/endpoints.md)
- [Create a new payment request (RTP)](https://docs.maibmerchants.md/request-to-pay/api-reference/endpoints/create-a-new-payment-request-rtp.md): POST /v2/rtp
- [Retrieve the status of a payment request](https://docs.maibmerchants.md/request-to-pay/api-reference/endpoints/retrieve-the-status-of-a-payment-request.md): GET /v2/rtp/{id}
- [Cancel a pending payment request](https://docs.maibmerchants.md/request-to-pay/api-reference/endpoints/cancel-a-pending-payment-request.md): POST /v2/rtp/{id}/cancel
- [List all payment requests](https://docs.maibmerchants.md/request-to-pay/api-reference/endpoints/list-all-payment-requests.md): GET /v2/rtp
- [Initiate a refund for a completed payment](https://docs.maibmerchants.md/request-to-pay/api-reference/endpoints/initiate-a-refund-for-a-completed-payment.md): POST /v2/rtp/{payId}/refund
- [Sandbox (Simulation Environment)](https://docs.maibmerchants.md/request-to-pay/api-reference/sandbox-simulation-environment.md)
- [Simulate acceptance of a payment request](https://docs.maibmerchants.md/request-to-pay/api-reference/sandbox-simulation-environment/simulate-acceptance-of-a-payment-request.md): POST /v2/rtp/{id}/test-accept
- [Simulate rejection of a payment request](https://docs.maibmerchants.md/request-to-pay/api-reference/sandbox-simulation-environment/simulate-rejection-of-a-payment-request.md): POST /v2/rtp/{id}/test-reject
- [Callback Notifications](https://docs.maibmerchants.md/request-to-pay/api-reference/callback-notifications.md)
- [Examples](https://docs.maibmerchants.md/request-to-pay/api-reference/examples.md)
- [Signature Key Verification](https://docs.maibmerchants.md/request-to-pay/api-reference/examples/signature-key-verification.md)
- [API Requests in Postman](https://docs.maibmerchants.md/request-to-pay/api-reference/examples/api-requests-in-postman.md)
- [Errors](https://docs.maibmerchants.md/request-to-pay/api-reference/errors.md)
- [API Errors](https://docs.maibmerchants.md/request-to-pay/api-reference/errors/api-errors.md)
- [HTTP Status Codes](https://docs.maibmerchants.md/request-to-pay/api-reference/errors/http-status-codes.md)
- [Glossary](https://docs.maibmerchants.md/request-to-pay/api-reference/glossary.md): Key terms and notions used in the Request to Pay (RTP) API.