Endpoint is PayPal's OAuth 2.0 endpoint in live (production) environment.
var Endpoint = oauth2.Endpoint{ AuthURL: "https://www.paypal.com/webapps/auth/protocol/openidconnect/v1/authorize", TokenURL: "https://api.paypal.com/v1/identity/openidconnect/tokenservice", }
SandboxEndpoint is PayPal's OAuth 2.0 endpoint in sandbox (testing) environment.
var SandboxEndpoint = oauth2.Endpoint{ AuthURL: "https://www.sandbox.paypal.com/webapps/auth/protocol/openidconnect/v1/authorize", TokenURL: "https://api.sandbox.paypal.com/v1/identity/openidconnect/tokenservice", }