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

# API

[The Blockchain.com Pay](/pay/welcome-to-blockchain.com-pay.md) API is divided into [Partner API](/pay/api/partner-api.md) and [Webhooks](/pay/api/webhooks.md).

* [Partner API](/pay/api/partner-api.md) - the API used for rendering [The Blockchain.com Pay](/pay/welcome-to-blockchain.com-pay.md) widget 
  * [Authentication](/pay/api/partner-api/authentication.md) - associates requests to your account
  * [Eligibility](/pay/api/partner-api/eligibility.md) - provides information on currencies and supported regions
  * [Quotes](/pay/api/partner-api/quotes.md) - provides prices for crypto transactions
  * [Orders](/pay/api/partner-api/orders.md) - get latest state of user orders
  * [Rate Limits](/pay/api/partner-api/rate-limits.md) - defines operating parameters of API usage
* [Webhooks](/pay/api/webhooks.md) - instant notifications about user orders state changes