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What Is Sandbox Payment? [Solved]

The sandbox option allows you to test a payment processor without having to pay the transaction you have submitted. Use this option to test the behavior of your payment gateway (e.g. PayPal, Stripe) after submitting your form and find the settings best suited to your needs.

To avoid risks we have to test the paypal integration using paypal

Sandbox 101: Web Payments SDK

The Square Web

PayPal Sandbox Account Testing

In this tutorial, we take a look at how you can obtain your PayPal