RESTful Web Services Basics

HTTP Methods and Status Codes:

• GET: Retrieve information from the server (e.g., read a resource).

• POST: Send data to the server to create a new resource.

• PUT: Update an existing resource on the server.

• DELETE: Remove a resource from the server.

• Status Codes:

  • 200 OK: Successful GET, PUT, DELETE, or POST.

  • 201 Created: Successful POST that results in a new resource.

  • 204 No Content: Successful request that doesn’t return a body.

  • 400 Bad Request: Client-side error.

  • 404 Not Found: Resource not found.

  • 500 Internal Server Error: Server-side error.

Designing Resource URIs:

• Use nouns to represent resources (e.g., /users, /orders).

• Use sub-resources for relations (e.g., /users/{id}/orders).

• Be consistent in URI design (e.g., use hyphens or underscores).