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> For a complete documentation index, see https://docs.coinflow.cash/guides/checkout/payment-scenarios/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.coinflow.cash/_mcp/server.

# Payment Scenarios

## Docs

- [Account Funding Transactions (AFT)](https://docs.coinflow.cash/guides/checkout/payment-scenarios/account-funding-transactions-aft.md): Understand what AFT transactions are, why card networks require them, and how they apply to card payins.
- [🤝 How Card Payments Work](https://docs.coinflow.cash/guides/checkout/payment-scenarios/authorize-capture.md): Learn about the stages a credit card transaction goes through before settlement.
- [Custom Pay-in Fees](https://docs.coinflow.cash/guides/checkout/payment-scenarios/custom-pay-in-fees.md): Add custom fee line items to purchase checkouts that appear as separate charges to customers.
- [Fee Rebates](https://docs.coinflow.cash/guides/checkout/payment-scenarios/fee-rebates.md): Receive part of your processing fee back as a separate credit on each payment.
- [⏎ Refunds](https://docs.coinflow.cash/guides/checkout/payment-scenarios/refunds/about-refunds.md): Merchants can learn how to initiate refunds for card and ach purchases.
- [Partial Refunds](https://docs.coinflow.cash/guides/checkout/payment-scenarios/refunds/partial-refunds.md): 
- [Batch Refunds](https://docs.coinflow.cash/guides/checkout/payment-scenarios/refunds/batch-refunds.md): 
- [Crypto Refunds](https://docs.coinflow.cash/guides/checkout/payment-scenarios/refunds/crypto-refunds.md)
- [Subsequent Transactions](https://docs.coinflow.cash/guides/checkout/payment-scenarios/subsequent-transactions/identifying-the-type-of-subsequent-transaction.md): Understanding the difference between initial payments and subsequent transactions
- [🔐 Zero Authorization](https://docs.coinflow.cash/guides/checkout/payment-scenarios/subsequent-transactions/zero-authorization.md): Learn how to validate and store customer payment credentials without charging them using Zero Authorization.
- [💳 Card on File Transactions](https://docs.coinflow.cash/guides/checkout/payment-scenarios/subsequent-transactions/card-on-file.md): Learn how to securely store customer payment credentials and enable one-click checkout experiences.
- [🏪 Merchant Initiated Transactions](https://docs.coinflow.cash/guides/checkout/payment-scenarios/subsequent-transactions/merchant-initiated-transactions.md): Learn how to charge customers without their active participation using stored credentials from a previous authorization.
- [📱 Apple Pay Subsequent Transactions](https://docs.coinflow.cash/guides/checkout/payment-scenarios/subsequent-transactions/apple-pay.md): Learn how to charge a customer's saved Apple Pay card for subsequent purchases without re-presenting the Apple Pay sheet.