API practice guide

Documented endpoints for API and contract testing exercises.

Students can consume these endpoints with Playwright API tests, Postman, curl, contract checks, and performance tooling.

What this page is doing

It explains the available endpoints and typical assertions to teach.

Training endpoints
Method	Path	Purpose
GET	/health	Service health check
POST	/sum	Simple arithmetic endpoint
POST	/login	Authentication flow
GET	/api/users	Seeded users list
GET	/api/products	Seeded products list
GET	/api/orders	Seeded orders list
GET	/api/training-summary	Overview of training surface area
GET	/api/slow-report?delay=1200	Simulated slow endpoint

{
  "username": "student",
  "password": "********"
}