I am sorry there is an error in the second link. The correct links are: https://stackoverflow.com/questions/55049164/paypal-javascript-sdk-client-side-does-not-post-to-server https://stackoverflow.com/questions/55047766/paypal-javascript-sdk-client-side-js-how-works-fetch-function I am not able to post clientID from client side back to the server.
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