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What are REST APIs in PHP?
Updated May 24, 2026
Short answer
REST APIs expose resources over HTTP using standard methods like GET, POST, PUT, and DELETE.
Deep explanation
REST focuses on stateless communication and resource-oriented design. JSON is the common response format. Proper status codes and authentication are essential.
Real-world example
Mobile apps communicate with backend systems using REST APIs.
Common mistakes
- Ignoring HTTP status codes and versioning strategies.
Follow-up questions
- What is statelessness?
- Why use JSON?