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

# API integration

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[Integration steps](/crypto-payments/api-integration/integration-steps.md)
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[Authentication](/crypto-payments/api-integration/authentication.md)
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[Request payment based on crypto](/crypto-payments/api-integration/request-payment-based-on-crypto.md)
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[Request payment based on fiat](/crypto-payments/api-integration/request-payment-based-on-fiat.md)
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[Collecting Payments](/crypto-payments/api-integration/collecting-payments.md)
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