> ## Documentation Index
> Fetch the complete documentation index at: https://docs.paypal.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Test and go live

Before you go live with the JavaScript SDK v6, test your integration end to end, and confirm you've completed all items in the production checklist.

## Prerequisites

Before you test:

* Get a [client ID and secret](/developer/how-to/api/get-started#1-get-your-client-id-and-client-secret).
* [Set up the v6 SDK](/developer/how-to/sdk/js/v6/configuration).

## Test

* Test across different browsers and devices.
* Verify popup blocker handling.
* Test all callback scenarios (approve, cancel, error).
* Validate eligibility logic works correctly.

## Production checklist

* Replace sandbox URLs with production URLs.
* Update environment configuration for production.
* Test eligibility on production environment.
* Implement comprehensive error handling.
* Add analytics and conversion tracking.
* Test across different devices and browsers.
* Implement proper loading and success states.
* Set up monitoring and alerting.
* Verify webhook endpoints are configured.
* Test order capture and fulfillment process.