Please go to https://dashboard.payrequest.io/dashboard/integrations here you can see all available payment providers that you can connect with your account.
To start using PayRequest you need at least one active payment provider, it is no problem if you never used one because after connect you can direct signup for it.
Just click the connect integration button
If you are not logged in please login or signup for an account.
If you have not an activate account, please fill in your business details
You can now make payment requests with Stripe!