123FormBuilder and NationBuilder Integration

NationBuilder is a community organizing system, offering solutions for NGOs, activists, and political parties, such as signing new members and volunteers, establishing agendas, and more. You can use the 123FormBuilder – NationBuilder integration to add new people to your nation and even assign certain tags for them.

NationBuilder 123FormBuilder integration

All you need to do is create an online form with the contact details you need, add the NationBuilder application, then match 123FormBuilder fields with NationBuilder tags and/or fields. It’s plain easy and it doesn’t take more than a few minutes to set it up.

Add NationBuilder from the Integrations section of your form and follow the steps below:

Connecting 123FormBuilder to NationBuilder

1. Provide the subdomain of your nation in the application box and click on Customize.

2. If you are already connected to NationBuilder, you will be redirected to the customization phase of the integration. If not, you will be first redirected to NationBuilder to provide your username and password.

Customizing your settings

Here’s how you set up your integration:

1. Select a list from your nation where you want to add new people.

2. Select the Email field which represents the NationBuilder Unique Identifier. We recommend you set the field as required, in order for the integration to work properly.

NationBuilder customize

3. Tick the Update information option to update contacts from your nation if a new entry has been made with an email address that already exists in your nation. Once this option is selected, you can opt to overwrite all existing tags of the current person by ticking the option below. This will delete all assigned tags until that time.

Nation Builder 123FormBuilder integration

Note: Form fields are located on the left. When you add new fields to your form, you will find them here. You can associate tags with your form fields and you can match 123FormBuilder fields with a large number of NationBuilder fields. It is not mandatory for a form field to be associated with a NationBuilder field in order for tags to be picked up at submission.

Nation Builder 123FormBuilder integration

4. Associate tags to your form fields. They will appear in the profile details of each new person added to your nation.

Note: You can associate form fields with the Tags field from NationBuilder. This means user input will be transferred as tags in your nation.

5. Associate 123FormBuilder fields with NationBuilder fields to complete the profile of each person.

Important Note! The following form fields will not appear in the Customize lightbox, even though you’ve added them: Heading, HTML Block, Social, Google Map, and Image. Therefore, you can not associate them with NationBuilder fields.

6. In the Error Handling subsection you can set the email address that will be informed of any errors that might occur upon submission.

Nation Builder Error

7. Lastly, press Save and your integration is complete. From now on, form submissions will add new people to your nation. You can access your contacts in the People section of your NationBuilder account.


If you want to change some settings of the integration at a later time, simply return to the Integrations section of your form and hit Customize in the NationBuilder application box.

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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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