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Custom Integration

Forms wired to anything you run

If we don't have a native integration, this is your escape hatch. Pipe submissions into Zapier, Make, n8n, your own server, an internal Lambda, a Discord bot — anywhere a URL lives.

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Free on every plan · Reach 10,000+ apps via Zapier or Make · No code required

Your form

Submission received

Zapier

8,000+ apps

Make

1,500+ apps

n8n

Self-hosted

Your API

Custom server

Reach the apps we don't have native integrations for

A single webhook bridges your forms to entire ecosystems of automation tools and your own infrastructure. Configure once, route forever.

Zapier — 8,000+ apps

Trigger Zaps on every submission. Route to HubSpot, Salesforce, Mailchimp, Google Sheets, ClickUp, Notion, anything Zapier can reach. No-code multi-step flows.

Make — visual scenarios

Build branching, multi-step automations with Make's scenario builder. 1,500+ app modules, conditional routing, data transforms, error handling.

n8n — self-hosted

For teams running their own automation infrastructure. Pipe form data into self-hosted n8n workflows alongside your internal services.

Your own backend

Drop a webhook URL pointing at your Express, FastAPI, Rails, or Lambda endpoint. Process submissions in your own code with your own business logic.

IFTTT-style triggers

Connect to IFTTT, Pabbly Connect, Pipedream, Activepieces — any platform that accepts an inbound webhook can be triggered by your forms.

Internal microservices

Submissions can hit private endpoints inside your VPN or VPC. Authenticate the source via the signed webhook header, treat it as a trusted internal event.

What teams are building

Real workflows that combine form intake with the apps you already use, automated end to end.

Submission → CRM not in our list

Pipedrive, Close, Copper, Capsule — wire form submissions into any CRM via Zapier or your CRM's native webhook listener.

Lead routing by ZIP or industry

Use Make to inspect form fields and route leads to the right sales rep, region, or HubSpot pipeline based on ZIP code, company size, or vertical.

Trigger AI workflows

Submissions kick off OpenAI, Anthropic, or your in-house model — auto-summarize feedback, score leads, draft personalized replies before a human sees them.

Sync to internal databases

Push form data straight into Postgres, MySQL, Snowflake, BigQuery, or Supabase via your own ingestion endpoint or via tools like Hightouch or Census.

Discord, Telegram, Teams

Notify niche communication channels — Discord servers, Telegram bots, Microsoft Teams — through their inbound webhook URLs or via Zapier.

Custom email & SMS logic

Send conditional emails through SendGrid/Postmark or SMS through Twilio with logic too custom for our built-in notifications — handled in your own code.

Set up in 4 steps

Same flow whether you're wiring up Zapier, Make, your own backend, or all three at once.

Pick your destination

Decide where the data should go. Zapier or Make for no-code, n8n or your own backend for self-hosted, or all of them — you can have multiple destinations per form.

Get the webhook URL

On Zapier, start a Zap with the Webhooks trigger. On Make, drop a Custom Webhooks module. Your own backend? Use any URL on your server. Copy that URL.

Paste it into form settings

In FormBuilder, open the form's Integrations tab, click Custom Webhooks, paste the URL. Optionally set a secret for signature verification.

Submit a test

Hit Send Test from FormBuilder, or fill out the form once. The destination receives a real submission and you can wire up the rest of your Zap, Scenario, or backend logic from there.

Reliable delivery, hands-off

Built so you can wire it up and stop thinking about it. Failures don't silently disappear.

Queue-backed dispatch

Every submission is queued and dispatched independently. A slow Zapier or a flaky API doesn't hold up your form's response or other deliveries.

Automatic retries

Transient failures (timeouts, 5xx errors) are retried with exponential backoff. You don't lose submissions because Zapier was down for 90 seconds.

Delivery log per form

Open the form's Webhooks panel to see every dispatch attempt — status, response code, latency. Replay a failed delivery with one click.

Multiple destinations

Send the same submission to Zapier, your backend, and a Discord webhook all at once. Each is independent — one failing doesn't affect the others.

Frequently asked questions

Do I need to write code?

No. If you use Zapier or Make, the whole flow is no-code — start a Zap or Scenario with their Webhooks trigger, paste the URL into FormBuilder, you're live. Code is only required if you're wiring submissions to your own backend.

Should I use Zapier, Make, or n8n?

Zapier has the largest app catalog and the simplest UX — pick it if you're a non-technical user. Make is more powerful for branching logic and bulk operations. n8n is for teams who want to self-host and run automations on their own infrastructure.

What if Zapier or Make is down?

Submissions still save in FormBuilder, and the webhook dispatch retries automatically with backoff. Most Zapier/Make outages are short and the retry covers them. Persistent failures show up in your delivery log.

Can one form trigger multiple integrations at once?

Yes. You can add multiple custom webhooks to a single form, each pointing to a different destination. Submissions fan out — Zapier, your backend, and a Slack webhook can all fire from the same submission.

Is there a Zapier app, or only the Webhooks trigger?

Today the recommended path is Zapier's native Webhooks trigger — it's flexible, available on every Zapier plan, and gives you full access to all form fields. A dedicated FormBuilder Zapier app is on the roadmap.

How do I secure my custom backend endpoint?

Set a secret in form settings. Every dispatch includes an HMAC signature header — verify it on your endpoint before trusting the payload. If you need the technical spec for signing and verifying, see the webhooks feature page.

Keep exploring

Ready to wire your forms anywhere?

Free on every plan. Zapier, Make, n8n, or your own server — same setup flow.

Get Started — It's Free