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Generate Payment Code That Follows Nuvei's Documentation

Dependencies

Build a New App With Payments or Add Payments to an Existing App - the builder must know about your app specifications.

Install the Required Development Tools.

Spin Up a Test Backend or Connect to an Existing Backend - the builder will know not to make a test payment at the end if a backend is missing.

Payment integrations usually fail in a specific way: not with an obvious error, but with a small detail slightly wrong - a name spelled differently, a value read from the wrong place. The result appears correct and may even seem to work at first. Problems of this kind are the most difficult and time-consuming to trace. The builder prevents this by not allowing the AI to write those parts at all.

  • A tool writes the payment code, not the AI - All code that connects to Nuvei is produced by the builder itself, following Nuvei's official documentation. The AI is not permitted to write it by hand. This is the key safeguard: it cannot use a method that does not exist, or introduce an incorrect detail, because it is not the one writing the code.

  • Every payment method is handled the same way - Covers the checkout flow, the request and response handling, and wallet payments (Apple Pay / Google Pay) the same way.

  • The code is rewritten in full each time - All Nuvei code is kept in a single folder owned by the builder and is written again from scratch on every run. Nothing is edited by hand, so nothing gradually falls out of date. When the builder is updated, every integration it produces is updated with it.

  • Your app remains your own - The AI designs your screens and the overall look and feel of the app; that part is entirely flexible. It connects to the payment code through a defined connection point so the payment integration stays entirely separate.

  • Your secret key never goes into the app - The steps that require your secret key always run on the backend, never on the device. The app only requests permission from the backend to take a payment; it never holds the key itself. The builder is designed so that this cannot be bypassed, including by accident.