Error Codes

Common HTTP error codes and solutions.

400 Bad Request

Cause: Invalid input data Examples: - Missing required field - Invalid email format - Username too short

Solution: Check request body matches API schema

401 Unauthorized

Cause: Missing or invalid JWT token Solution: Login to get valid token, include in Authorization header

404 Not Found

Cause: Resource doesn't exist Solution: Verify resource ID is correct

500 Server Error

Cause: Backend error Solution: Check server logs, retry request