Custom Audiences lets you retarget and lookalike-model your own contact lists on Meta. With Zapier, every FormBuilder response flows into Facebook Custom Audiences the moment it's submitted — no code, no exports, no copy-paste.
Free on every plan · No credit card required
What teams automate
Feed campaigns and audiences with fresh form data.
Send new form contacts into Facebook Custom Audiences to power your campaigns and audiences
Announce launches and milestones on Facebook Custom Audiences triggered by form events
Close the loop: match form leads back to Facebook Custom Audiences for better targeting
Field mapping
In Zapier's editor, your form's actual fields appear by name — point each one at a Facebook Custom Audiences field once, and every future response follows the map.
Setup
Most people connect a form to Facebook Custom Audiences in under five minutes.
Create a form or start from 300+ templates — lead capture, intake, surveys, quizzes.
In Settings → API & Zapier, generate a key and copy it once.
In Zapier, pick FormBuilder's "New Form Response" trigger and connect with your key.
Add a Facebook Custom Audiences action, map your fields, turn it on. Done.
Questions
Create a free FormBuilder account, generate an API key in Settings → API & Zapier, then create a Zap in Zapier with FormBuilder's "New Form Response" trigger and a Facebook Custom Audiences action. Every new submission flows to Facebook Custom Audiences automatically.
Yes — Zapier connectivity is included on every FormBuilder plan, including the free plan. Zapier itself offers a free tier for simple two-step Zaps.
No. The connection is fully no-code: pick your form, map its fields to Facebook Custom Audiences in Zapier's editor, and turn the Zap on.
FormBuilder uses instant webhooks (REST hooks), so responses are delivered to Zapier — and on to Facebook Custom Audiences — within seconds of submission.
Yes. Add a Zapier filter on any answer — for example, only submissions where budget exceeds a threshold — or use FormBuilder's conditional logic to shape what gets asked in the first place.
Keep exploring
Build the form once. FormBuilder and Zapier deliver every response to Facebook Custom Audiences — while you do literally anything else.
Start freeUnlimited forms on the free plan · Set up in minutes