> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.runpayments.io/docs/guides/payments/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.runpayments.io/_mcp/server.

# Payments

## Docs

- [ACH Payments](https://docs.runpayments.io/docs/guides/payments/ach-payments.md)
- [Billing Plans](https://docs.runpayments.io/docs/guides/payments/billing-plans.md)
- [Card On File - Compliance Guide](https://docs.runpayments.io/docs/guides/payments/card-on-file.md)
- [Card Present Overview](https://docs.runpayments.io/docs/guides/payments/card-present/overview.md): Accept card-present payments from your POS with the Run Developer Terminal API.
- [Getting Started](https://docs.runpayments.io/docs/guides/payments/card-present/getting-started.md): Set up your environment, authenticate, and discover what each terminal supports.
- [Interactions & Status](https://docs.runpayments.io/docs/guides/payments/card-present/interactions-and-status.md): Retrieve results by polling or WebSocket, cancel reads, and manage terminal sessions.
- [Unified Charge Workflow](https://docs.runpayments.io/docs/guides/payments/card-present/unified-charge-workflow.md): Read, charge, print, and email in a single charge-card interaction.
- [Signatures & Receipts](https://docs.runpayments.io/docs/guides/payments/card-present/signatures-and-receipts.md): Capture cardholder signatures and deliver printed or emailed receipts.
- [Surcharging on Device](https://docs.runpayments.io/docs/guides/payments/card-present/surcharging-on-device.md): Apply the Merchant Surcharge Program to card-present credit transactions.
- [Endpoints & Errors](https://docs.runpayments.io/docs/guides/payments/card-present/endpoints-and-errors.md): Terminal API endpoint summary, HTTP response codes, and error messages.
- [Custom Fields](https://docs.runpayments.io/docs/guides/payments/custom-fields.md)
- [Gateway Response Codes](https://docs.runpayments.io/docs/guides/payments/gateway-response-codes.md)
- [Hosted Payment Pages](https://docs.runpayments.io/docs/guides/payments/hosted-payment-pages.md)
- [ID Mapping](https://docs.runpayments.io/docs/guides/payments/id-mapping.md)
- [Merchant Surcharge Program](https://docs.runpayments.io/docs/guides/payments/merchant-surcharge-program.md)
- [P3 Qualification (L2/L3)](https://docs.runpayments.io/docs/guides/payments/p3-qualification.md)
- [Test Cards](https://docs.runpayments.io/docs/guides/payments/test-cards.md)
- [Vaults](https://docs.runpayments.io/docs/guides/payments/vaults.md)