API & Webhooksfree

Build a Full Rest API with n8n Webhooks

by Christian KnoflachUpdated Aug 2026

1/5

FLOWS

STEPS · 36

Starts on an incoming request

Exposes multiple webhook endpoints that route CRUD requests through sub-workflows and return JSON, implementing a full REST API.

Webhook API Aggregator

On a webhook request, processes the payload, calls external APIs, routes by conditions, and returns a merged response.

On a Jotform submission, maps the fields and creates or updates the matching contact in KlickTipp.

On a webhook, transforms the payload and creates or updates contacts in KlickTipp.