> For the complete documentation index, see [llms.txt](https://googlepay.airvend.ng/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://googlepay.airvend.ng/prerequisites.md).

# Prerequisites

Before integrating Google Pay™ with Callphone, ensure that you have the following prerequisites:

* A merchant account on Google Pay™
* A merchant account with Callphone (Contact the [Callphone business team](/onboarding.md) for this).
* Access to the Google Pay™ API/SDK.
* A functional backend server to handle payment requests.