Prerequisite Requirements {#googpay-requirements}
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Before using Google Pay, you must have:

* A `Cybersource` merchant evaluation account.
  * To register, go to: [https://developer.cybersource.com/hello-world/sandbox.html](https://developer.cybersource.com/hello-world/sandbox.md "")
* A [merchant evaluation account](https://ebc2.cybersource.com/ebc2/registration/external "") with a supported processor. See [Supported Card Types](/docs/cybs/en-us/google-pay/developer/citimb/rest/googlepay/googpay-intro/googpay-processors.md "").
* The `Cybersource` `REST API` Client installed on your system.
* A Google developer account.
* Google Pay APIs embedded into your application or website. For details about integrating Google Pay, see the [Google Pay API](https://developers.google.com/pay/api "") documentation.