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peachy_gravityAsked on April 5, 2019 at 10:46 AM
I have followed your guide on how to set up the form. (REST method, Client ID and Client secret...).
the error message on Paypal Checkout button press is:
Payment error: Client authentication failed
please help
Fulvio Salvatori
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Alan_DReplied on April 5, 2019 at 12:29 PM
Generally, our users encounter the same issue when the Client ID or Client secret is incorrect. Please check these fields. You can try to re-create an app and get the new Client ID and Client secret fields.