Error Response Format example 18
A focused API Development example for error response format with output and explanation.
Error Response Format example 18
lesson.jsjavascript
1
2
3
4
5
6
7
javascript7 linesWrap
Input
Terminal
SuccessReady.
Run code to see output here.
What this example teaches
Error Response Format
Output
API gateway returns standard JSON payload and correct HTTP status code.
Line-by-line explanation
- Line 1 sets up the Error Response Format example: // API Specification for Error Response Format.
- Line 2 adds one required part of the working pattern: {.
- Line 3 adds one required part of the working pattern: "route": "/api/v1/error-response-format",.
- Line 4 adds one required part of the working pattern: "method": "POST",.
- Line 5 adds one required part of the working pattern: "contentType": "application/json",.
- Line 6 adds one required part of the working pattern: "response200": { "success": true }.
Why this example is useful
This example is useful because it isolates error response format without surrounding noise, so you can see the idea clearly.
Where it is used in real projects
Error Response Format appears in real API Development work when a feature needs a clear pattern that can be reviewed and changed safely.
Beginner variation
Change one label, value or condition in the Error Response Format example and run it again.
Advanced variation
Combine Error Response Format with validation, error handling or reusable structure.