Build CRUD API Endpoints with Multi-HTTP Methods in n8n

This n8n workflow template enables you to build a powerful RESTful API endpoint supporting all CRUD operations—Create, Read (single and multiple), Update, and Delete—with just a few nodes. It leverages the Webhook node configured for multiple HTTP methods (GET, POST, PUT, DELETE) and integrates seamlessly with Airtable for data management. You can easily swap Airtable nodes for other services like Postgres, MySQL, Notion, or Coda, making it highly versatile for custom backend needs.

Key features include two main webhook nodes: one for listing/creating records and another (with ID path) for specific record operations, despite n8n's path limitations. This setup minimizes nodes while maximizing functionality, allowing custom logic with n8n's full capabilities. Benefits include rapid API development, reduced boilerplate code, and time savings for app integrations.

Ideal for healthcare appointment scheduling, where you can manage patient bookings, staff schedules, or clinic records efficiently. Use cases extend to any app development: e-commerce inventories, CRM contacts, or project tasks. Deploy in minutes by importing, customizing paths (e.g., /appointments), and setting Airtable credentials.

Getting started: Import to n8n, adjust webhook paths, configure Airtable base/table, and test endpoints. Perfect for developers building scalable backends without servers.