how to implement payment gateway in unity for sending and receiving real money but dont want to use google pay. i have an gateway api that of my own country here is the but dont know how to integrate it link Sandbox Documentation
please help
First you need to check if it’s allowed by the Stores. Both Google and Apple are very strict on this point (Apple even more than Google) and allow only very specific app/purchases types to go outside their IAP system.
Then you’ll highly likely need to create a website/api to process the payments/receive payment webhooks from the payment gateway, then make your app listen/periodically poll for payment status from your website/api.
So read the gateway documentation. Make the payment flow works outside Unity (on a website/api). Then at the end connect your Unity app to your website/api.
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