Payment system in tournament app

Hello lovingly community members and koders, i hope you were living well, i am working on my multi tournament app but without any payment gateway its is incomplete.
I tried paytm, razorpay, payu, instamojo payment gateway and upi also but all these need website url to verify merchant account but i dont have a website.
I am really uppset and i think that community members can help me to solve this problem, Thank you.

I can help you

thank you but how ?

Try Using Stripe Payment Links

You can also check Google Pay Merchant API