# API

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

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