REST APIs.

HTTP API design, conventions, and best practices. Covers 12 sub-skills.

• REST APIs · 1 of 3

  HTTP Methods & Status Codes

  Which method is typically preferred for full resource replacement semantics?

  ATRACEBPATCHCOPTIONSDPUT

• REST APIs · 2 of 3

  Rate Limiting & Throttling

  Which status code is standard when a client exceeds an API rate limit?

  A429 Too Many RequestsB451 Unavailable For Legal ReasonsC402 Payment RequiredD507 Insufficient Storage

• REST APIs · 3 of 3

  API Versioning Strategies

  Comparing 'pinning the active revision in the URL path' with 'pinning it in a vendor media type', which subtle invariant is preserved by the media-type style and broken by the path style?

  Aone resource keeps a single canonical identifier valueBone method keeps a single idempotent guarantee on writesCone origin keeps a single TLS certificate chain pinnedDone response keeps a single Content-Length value on body