In a Form Builder project's Settings tab, paste a URL into the Webhook URL field to have every submission sent there too, not just by email. This requires a Plus or Creator plan, see "Free, Plus, and Creator plans compared."
What gets sent
A POST request with a JSON body shaped like { formId, formName, submittedAt, fields }, where fields is an object keyed by each field's label, the same data the Responses tab and the notification email already show.
Independent of the email notification
The webhook and the "Email me when someone submits this form" toggle are separate, turn on neither, either, or both.
Tip: Only HTTPS URLs are accepted, and a URL that resolves to a private or internal address is rejected, the same safety check every other "call a webhook" action on the platform already uses. A single attempt is made per submission, with no automatic retry, so point it at an endpoint built to tolerate an occasional missed delivery, or pair it with a tool like Zapier that queues on its own end.