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How can I connect a multi-image field in Webflow using a third-party tool?

TL;DR
  • Use tools like Zapier or Make to populate Webflow's Multi-Image fields via the CMS API.
  • Fetch image URLs using custom JavaScript through a secure proxy server and render them dynamically on your Webflow site.

To connect a Multi-Image field in Webflow CMS using a third-party tool, you’ll need to work around native limitations since Webflow does not allow direct binding of Multi-Image fields to Collection List items via its Designer or CMS API.

1. Understand the Limitation

  • Multi-Image fields in Webflow are not accessible via Collection List bindings. They require special handling beyond standard CMS data connections.
  • You cannot bind them through native Designer elements like you would with basic image fields.

2. Use a Third-Party Integration Tool

  • Tools like Zapier, Make (formerly Integromat), or Whalesync can help load images into multi-image fields, but they don't expose them in frontend bindings.
  • These tools can populate multi-image fields via Webflow CMS API, but display must be handled with custom code or custom frontend solutions.

3. Use Webflow CMS API to Retrieve Multi-Image Field Data

  • Create a Webflow CMS item with multi-images using the API via Zapier or Make.
  • After creation, the multi-image URLs are stored in an array within the item, accessible via the Webflow API.

4. Display Multi-Image Field Using Custom JavaScript

  • Since Webflow Designer cannot bind to multi-image fields directly, add a custom embed element where you'd like images displayed.
  • Use JavaScript to fetch the multi-image URLs through the Webflow CMS API, and dynamically inject them into the page.
  • Authenticate using a Webflow API token (preferably using a secure server since Webflow's CMS API requires authentication).

5. Use a Proxy or Serverless Function for Security

  • Webflow landing pages can’t securely store private API keys.
  • Set up a Netlify serverless function or similar to act as a proxy endpoint for the CMS API. This way, API keys are kept private.
  • The frontend fetches only the public image URLs from your proxy and renders them safely.

Summary

To connect and display a Multi-Image field in Webflow with third-party tools, use tools like Zapier or Make to populate the CMS field and then implement custom JavaScript (often with a secure proxy API) to fetch and display the multi-image content on your Webflow site.

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