Google Play Billing Method in CrossPlatform

Hello to everyone. I’m Atakan Koc. I want to make sales in the application I designed, but stripe is not used in my country. That’s why I want to use the Google Play Billing system. How can I do that?

Use paypal instead of Google Play billing
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The PayPal APIs are HTTP-based RESTful APIs that use OAuth 2.0 for authorization. API request and response bodies are formatted in JSON.

API requests

To construct a REST API request, combine these components:

Component Description
The HTTP method * GET . Requests data from a resource.
  • POST . Submits data to a resource to process.
  • PUT . Updates a resource.
  • PATCH . Partially updates a resource.
  • DELETE . Deletes a resource.|
    |The URL to the API service|* Sandbox. https://api.sandbox.paypal.com
  • Live. https://api.paypal.com|
    |The URI to the resource|The resource to query, submit data to, update, or delete. For example, v1/invoicing/invoices .|
    |Query parameters|Optional. Controls which data appears in the response. Use to filter, limit the size of, and sort the data in an API response.|
    |HTTP request headers|Includes the Authorization header with the access token.|
    |A JSON request body|Required for most GET , POST , PUT , and PATCH calls.|

More details
https://developer.paypal.com/docs/api/overview/