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

# Integration Guide

- [API Key](https://docs.aquapay.io/integration-guide/api-setup.md)
- [Authorization](https://docs.aquapay.io/integration-guide/authorization.md)
- [Adding Webhook URLs](https://docs.aquapay.io/integration-guide/adding-webhook-urls.md)
- [Webhooks](https://docs.aquapay.io/integration-guide/callback-examples.md)
- [Payment Flow](https://docs.aquapay.io/integration-guide/payment-flow.md)
- [Confirmations & Limits](https://docs.aquapay.io/integration-guide/confirmations-and-limits.md)
- [Testnet and Faucet](https://docs.aquapay.io/integration-guide/testnet-and-faucet.md)