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Step by step guide on PayPal Express Checkout integration

PayPal Express Checkout is using the shipping and billing information from your client’s PayPal account. This will make the payment process an easy experience.

To enable the PayPal Express Checkout integration, follow the simple steps below:

1. Navigate to your Form Editor and E-Commerce section. From the list choose PayPal Express Checkout.

E-commerce PayPal express checkout

2. Provide your PayPal Checkout Client ID.

Where to find your PayPal Client ID?

  • First, log in here.
  • Access your applications page on PayPal.
  • In the My Apps & Credentials section click on your app. If you do not have one, click on Create App.
  • Click on your app and you will see the API credentials listed. Copy the Client ID ( it is 80 characters long). At Settings from the bottom, you should have ticked the Accept payments option.
Client ID
Accept payments

3. Finally, paste your Client ID into the integration and click on the Enable button.

PayPal checkout enable

4. If you want to send additional information to the transaction page, check the Use shipping option and match form fields with PayPal fields.

Use shipping option

Important Note: To test your PayPal integration with 123 Form Builder, you’ll need a sandbox account on PayPal.
If you do not have one, go to https://www.sandbox.paypal.com to create one. Type in the credentials of your sandbox account in the payment integration panel and tick the Use sandbox option.

PayPal checkout sandbox

A big advantage is that Paypal Checkout allows you to accept payments directly on your online order form, without redirecting away from the page.

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Frequently Asked Questions

Here is a list of the most frequently asked questions. For more FAQs, please browse through the FAQs page.

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