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

# PAYIN API Documentation

- [I-PREREQUISITE](https://docs.nonstopay.net/payin-api-documentation/i-prerequisite.md): Version 2.0.0
- [II-HOW TO USE THE API](https://docs.nonstopay.net/payin-api-documentation/ii-how-to-use-the-api.md): Depending on the environment, you should use the appropriate base URL while keeping the same API endpoints structure:
- [Create invoice CREDIT CARD (POST)](https://docs.nonstopay.net/payin-api-documentation/ii-how-to-use-the-api/create-invoice-credit-card-post.md): POST
- [Create invoice UPI (POST)](https://docs.nonstopay.net/payin-api-documentation/ii-how-to-use-the-api/create-invoice-upi-post.md): POST
- [Create invoice CRYPTO (POST)](https://docs.nonstopay.net/payin-api-documentation/ii-how-to-use-the-api/create-invoice-crypto-post.md): POST
- [Create invoice MULTIBANCO or MBWAY (POST)](https://docs.nonstopay.net/payin-api-documentation/ii-how-to-use-the-api/create-invoice-multibanco-or-mbway-post.md): POST
- [Create invoice BIZUM (POST)](https://docs.nonstopay.net/payin-api-documentation/ii-how-to-use-the-api/create-invoice-bizum-post.md): POST
- [Create invoice GOOGLE PAY and APPLE PAY (POST)](https://docs.nonstopay.net/payin-api-documentation/ii-how-to-use-the-api/create-invoice-google-pay-and-apple-pay-post.md): POST
- [Create invoice BANK (Open Banking) (POST)](https://docs.nonstopay.net/payin-api-documentation/ii-how-to-use-the-api/create-invoice-bank-open-banking-post.md): POST
- [Create an invoice ON-RAMP / NFT CHECKOUT (POST)](https://docs.nonstopay.net/payin-api-documentation/ii-how-to-use-the-api/create-an-invoice-on-ramp-nft-checkout-post.md): POST
- [Get an invoice status (GET)](https://docs.nonstopay.net/payin-api-documentation/ii-how-to-use-the-api/get-an-invoice-status-get.md)
- [Get invoice infos (GET)](https://docs.nonstopay.net/payin-api-documentation/ii-how-to-use-the-api/get-invoice-infos-get.md)
- [Get invoice history (GET)](https://docs.nonstopay.net/payin-api-documentation/ii-how-to-use-the-api/get-invoice-history-get.md)
- [Get crypto payable currencies (GET)](https://docs.nonstopay.net/payin-api-documentation/ii-how-to-use-the-api/get-crypto-payable-currencies-get.md)
- [Pay mode available list](https://docs.nonstopay.net/payin-api-documentation/ii-how-to-use-the-api/pay-mode-available-list.md)
- [Get available payment solution type (GET)](https://docs.nonstopay.net/payin-api-documentation/ii-how-to-use-the-api/get-available-payment-solution-type-get.md)
- [Get available payment solution name (GET)](https://docs.nonstopay.net/payin-api-documentation/ii-how-to-use-the-api/get-available-payment-solution-name-get.md)
- [III- INTEGRATION](https://docs.nonstopay.net/payin-api-documentation/iii-integration.md)
- [IV- Webhook notification (callbacks)](https://docs.nonstopay.net/payin-api-documentation/iv-webhook-notification-callbacks.md)
- [V- FAILED Reason](https://docs.nonstopay.net/payin-api-documentation/v-failed-reason.md)
- [Copy of V- FAILED Reason](https://docs.nonstopay.net/payin-api-documentation/copy-of-v-failed-reason.md)