API Reference

Flowvi provides a public form submission endpoint.

Submit a Form

POST /api/submit/{routeId}
Content-Type: application/json

{
  "fieldName1": "value1",
  "fieldName2": "value2"
}

Success (200):

{ "success": true }

Form inactive (410):

{ "error": "Form is not active" }

Quota exceeded (429):

{ "error": "Submission quota exceeded" }

Replace {routeId} with your form's unique ID (found in Form Settings)
File uploads can be submitted through the same public submission endpoint when the payload is encoded the same way as the hosted form flow
Submissions trigger all configured integrations (WhatsApp, Email, Slack, etc.)
Rate limiting applies: max 10 submissions per minute per IP