php paypal - Is email and password valid? -

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i trying integrate paypal's php api.

i want user login paypal check credentials, if user authenticate, want save email database.

is functionality possible paypal's api. appreciated.

paypal has product this: it's called log in paypal.

https://developer.paypal.com/docs/integration/direct/identity/log-in-with-paypal/

this directs user paypal log in; after successful login user returned, along identity token can (are encouraged/expected to!) use key user session.

the paypal session establishes can used initiate paypal payment (if, example, user shops on site , ready pay you). or can send user agree billing agreement future payments, etc etc. in short, have many options if want move "just" identity checking ability pay, agreeing pay or make future payments, etc.


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