FLAT - the "Frontend Layer API Toolkit" by Sevenval is designed for easy decoupling frontend from backend in modern web applications.

This documentation helps building maintainable JSON-based web APIs on top of FLAT.

FLAT is the preview version of Couper – Avenga's lightweight API gateway designed to support developers in building and operating API-driven Web projects. See couper.io for more details.

​Tutorial​

Create your first FLAT application hands-on and learn the basics in the Tutorial. This is the best place to start.

​Cookbook​

Browse the recipes in FLAT's Cookbook to learn how to accomplish common API development tasks with FLAT. Developers will find plenty of examples here.

​Reference​

Look up detailed usage information about FLAT's nuts and bolts in the Reference.

​Administration​

Learn how to deploy and run FLAT APIs in the Administration section.

​Changelog​

See information about released features in the Changelog.