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Step by step guide on PayPal Express Checkout integration with 123FormBuilder

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. Access your form builder account, navigate to your Form Editor, and Payments section. From the list choose PayPal Express Checkout.

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.

Enable PayPal Express Checkout

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

Shipping information

Important Note: To test your PayPal integration with 123FormBuilder, 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.

Use 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.

Is this service free?
Yes, we offer a free form builder service. Just sign up to the Basic plan and you are all set. This plan is forever free, but you are limited with a few features only, such as 5 forms per account, 100 submissions per month and you have to keep the backlink to 123FormBuilder on your forms. Check out our features matrix for more information.
How many forms can I create?
It depends on the service plan you are on. Higher service plans enable more features, including more web forms for your account. If you need more forms, go to the My Account section of your account and click the upgrade button. To create an unlimited number of forms, either upgrade to the Platinum service plan or higher. Consult our features matrix for more information.
How can I publish my forms?
You can publish your forms in many ways, by using their direct URL or HTML link, embedding them with a JavaScript code, Inline HTML or iFrame, using the Facebook app or the WordPress plugin, using popups, the Blogger code snippet and many more. Once you have created and customized your form, go to the Publish section to complete your work. Read more in our documentation.
How do I change my form design?
You can change the design of your form for more information. in the Themes section, which is located in your form settings. We offer a set of more than 30 predefined form themes for your forms, but you can also create your own from scratch. You can customize the submit button, the logo and more. To apply your own stylesheets, all forms come with a custom CSS editor.

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