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7/22/2026
Rest Assured Tutorial for Beginners: Testing a Real REST API in Java

Rest Assured Tutorial for Beginners: Testing a Real REST API in Java

Short summary

A beginner-friendly tutorial for testing REST APIs in Java using Rest Assured, demonstrated against a Harry Potter-themed mock API. Covers GET and POST requests, status code and JSON body assertions, query parameters, and Bearer token authentication. Requires JDK 11+, Maven, and about 30 minutes, with no prior Rest Assured experience needed.

  • •Step-by-step Rest Assured tutorial using a Harry Potter mock API
  • •Covers GET/POST, JSON assertions, query params, and Bearer token auth
  • •Beginner-level: needs basic Java, JDK 11+, and Maven

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