Question 1

When do I need a custom API?

Accepted Answer

Whenever you need to share data between systems, enable partner integrations, or serve an app/frontend with backend data.

Question 2

What does API development cost in the Black Forest?

Accepted Answer

A simple REST API starts at around €5,000. Complex systems with authentication, rate limiting, and extensive documentation cost more.

Question 3

Do you work with existing APIs?

Accepted Answer

Yes. We extend, refactor, and migrate existing APIs — without downtime for your customers.

Question 4

How is the API documented and handed over?

Accepted Answer

Full OpenAPI documentation, Postman collections, and deployment instructions included. The code is yours.