juniorAPI Design
What is a RESTful API?
Updated Apr 28, 2026
Short answer
Representational State Transfer (REST) is an architectural style for providing standards between computer systems on the web.
Deep explanation
API Design at the junior level focuses on standards and communication. Representational State Transfer (REST) is an architectural style for providing standards between computer systems on the web. Following REST constraints ensures interoperability and ease of use.
Real-world example
A weather app fetching current temperature from a remote server.
Common mistakes
- Using GET for operations that modify data.
Follow-up questions
- What is a 201 status code?