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On this page
  • Overview
  • Demonstration
  • Details - Why is this needed?
  • Getting Started
  • Mark your Form for WFU’s Handler
  • Webhook Handlers
  • Key Advantages
  • Additional References

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  1. sa5-forms

Smart Form Webhook Handler ❺

Post form data direct to webhooks, while supporting Webflow's inline success / error messages

Last updated 9 months ago

Was this helpful?

v5.3.7 has redefined the other handler to recognize error codes as errors, and to display the form's error message accordingly. If you need the original behavior where success is assumed regardless of the response code, use the new success handler.

v4.10 adds support, to help alleviate SPAM and form handler issues.

Currently supports HTTP POST to webhooks only. We may add HTTP GET support if users are in need of it. Use the forum to suggest future improvements.

Overview

Webflow has a nice form-builder capability with good styling options- however by default, the success and failure messages only work with Webflow's built-in form handler.

SA5 Forms allows you to integrate Webflow forms with other services, and process their responses as success / fail, including error message and results display.

Demonstration

Details - Why is this needed?

Webflow forms can be redirected to a webhook for external processing, by specifying the action in Webflow’s designer. This gives you a lot of capability, including business logic and immediate processing of your form data, however Webflow does not have any in-built way to handle the webhook’s response.

By default, instead of a “success” message, the user sees the JSON response itself- which is not an ideal user experience. Alternatively, you’re forced to create a thank you page, exclude it from search engines, etc- when often all you wanted was a success message.

The WFU forms handler bridges that gap;

  1. It submits your form directly to the webhook you choose.

  2. It analyzes the response to determine success or failure.

  3. It then displays the form success or failure message, depending on that result.

  4. On a successful submit, if the form is configured with a redirect URL, then the submit button is given the Please wait... text and the page is redirected instead.

Getting Started

  1. Setup your webhook handlers ( see below ) on Basin, Zapier, Make, n8n, or your form handler or automation provider of choice. Design it to accept HTTP POST requests.

  2. Link your Webflow form by setting the action to your webhook URL. Copy the webhook URL and in the Webflow designer, paste it into the Action setting of the form.

  3. Design the form however you like.

  4. Set the form method to POST.

  5. Make sure to customize your success and fail messages too for clarity.

Mark your Form for WFU’s Handler

In the designer, select the Form Block element ( not the Form element ). On the Form Block element, add a custom attribute of wfu-form-handler, and specify the handler you want;

  • Use zapier for Zapier webhooks.

  • Use make for Make ( Integromat ) webhooks.

  • Use n8n for n8n webhooks.

  • Use other for all other webhooks.

  • Use success to assume success on any response.

Each will behave slightly differently in how it processes the response, since each webhook service does responses differently. See notes above.

Webhook Handlers

Because each webhook provider responds differently, we have several “handlers” for each situation;

  • The Zapier handler looks for “success” in the response, and displays the success message if it is present. However it’s important to note that Zapier’s success response only indicates that the data was received successfully. It does not indicate that the Zap ran successfully.

  • The Make ( Integromat ) handler can handle specific responses and display error messages, if you use the HTTP Response node in Make. If you have the request return immediately, you will simply get 'Accepted' from Make as the success text.

  • The n8n handler can handle specific responses and display error messages.

  • The Other handler is most useful for unknown webhook providers. It relies on the webhook to return a meaningful response code. Responses in the range 200-299 are considered success, and anything else is considered an error. Use it for simple and less essential form submissions, like newsletter enrollments.

  • The Success handler always displays the success message, regardless of the response code. Use it in situations where success/failure aren’t that important, you just need to indicate to the user that their work is done.

Key Advantages

Why use a custom webhook form handler rather than Webflow's?

  • Immediate form processing, with no delays. If you’ve used e.g. Zapier’s Webflow trigger, it polls for new forms and can take 10 minutes for a form submission to be detected.

  • No need to use Webflow’s built-in forms email notification system. You can go direct to a Sales Force Automation (SFA) system, or to your own email notification with no unsubscribe link problems.

  • No form submission limits.

  • Make the form behave like a normal webflow form post, where it stays on the same page, and displays the form’s success message.

  • Handle error scenarios better, including unique server side logic and error messages ( with Make & n8n ).

Additional References

First, add the library as detailed in .

Use basin for webhooks.

The Basin handler shows success and fail messages depending on 's response.

📘
Quick Start
Basin
Basin
Basin
Webflow Form w/ Zapier Webhook
Webflow Form w/ Zapier Webhook
Webflow Form w/ Webhook (Success)
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