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Resources & HTTP Methods
resource-oriented URLs GET collection GET single resource POST create resource PUT full replacement PATCH partial update DELETE resource HEAD request
Status Codes & Errors
200 OK 201 Created with Location 204 No Content 400 Bad Request 401 Unauthorized 403 Forbidden 404 Not Found 409 Conflict
Representations & Headers
Content-Type Accept negotiation Authorization Bearer token ETag If-None-Match Cache-Control Location header Link header pagination
Querying Collections
filter query parameters sorting offset pagination cursor pagination field selection search parameter date-range filtering multi-value filters
Reliability & Security
idempotency keys rate limiting CORS CSRF distinction for APIs input validation mass-assignment protection request correlation IDs timeouts and retries
Versioning & Documentation
URI versioning header versioning OpenAPI schema operationId request body schema response schema examples in OpenAPI deprecation headers
REST API Design / Reliability & Security

request correlation IDs

Learn request correlation IDs in REST API Design with a dedicated explanation, a concept-specific example, practical cautions, and a mastery check.

12 min read • Advanced
rest-api-039.http
http 
GET /v1/orders/42 HTTP/1.1
X-Request-ID: req-7f1b

HTTP/1.1 200 OK
X-Request-ID: req-7f1b
What to watch
Content source & attribution
Original Syntaxis Content · Original Syntaxis Content

Lesson quizzes

request correlation IDs Mastery Check →
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