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Start the dev server, discover API routes from the codebase, hit every endpoint, and report which ones return errors.
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| name | api-smoke-testing |
| description | Start the dev server, discover API routes from the codebase, hit every endpoint, and report which ones return errors. |
| user-invocable | true |
Verify all API endpoints return healthy responses by combining codebase analysis with HTTP requests.
Search the codebase for API route definitions:
Next.js (App Router): app/api/**/route.ts
Next.js (Pages Router): pages/api/**/*.ts
Express: Look for app.get(, app.post(, router.get(, etc.
Django: Look for urlpatterns in urls.py
FastAPI: Look for @app.get(, @app.post(, decorators
Rails: Look for routes.rb
Build a list of endpoints with their HTTP methods.
Check terminal files for a running dev server. If none found, start one.
For each route:
curl -s -o /dev/null -w "%{http_code}" -X <METHOD> http://localhost:<PORT><PATH>
For endpoints that require a body (POST/PUT/PATCH), send a minimal valid JSON:
curl -s -o /dev/null -w "%{http_code}" -X POST http://localhost:<PORT><PATH> \
-H "Content-Type: application/json" \
-d '{}'
| Status | Meaning |
|---|---|
| 200-299 | OK |
| 301/302 | Redirect (OK) |
| 400 | Bad request (expected for empty POST bodies) |
| 401/403 | Auth required (expected for protected routes) |
| 404 | Route not found (BUG — route exists in code but not served) |
| 500 | Server error (BUG) |
| 000/timeout | Server not responding (BUG) |
API Smoke Test Results:
Tested: 15 endpoints
Passed: 12
Auth required: 2 (GET /api/user, POST /api/settings)
Errors:
500 — POST /api/webhooks/stripe (TypeError: Cannot read property 'id' of undefined)
404 — GET /api/v2/health (route defined but not mounted)
For 500 errors, read the terminal output for the stack trace and fix the root cause. For 404s, check that the route file is in the correct location and properly exported.