Contracts and security

Check your understanding: contracts and security

Check OpenAPI contracts, CORS, authentication and authorization boundaries, rate limits, idempotency, and safe API defaults.

Answer each question before continuing. Read the explanation after every answer, including the ones you get right.

Quick check

Result

You got of right.

Lesson completed

Take this course offline

Get every free book, course edition, and software download.

Get the download library →