Extra Credit

W3C Baggage

Official docs outline

5 sections
  1. Definition

    Baggage as user-defined key/value propagated in requests.

  2. Baggage HTTP header format

    Header grammar and size limits.

  3. Baggage string

    List-members, keys, values and properties.

  4. Example use case

    Propagating request attributes across services.

  5. Baggage API in OpenTelemetry

    Reading, setting and propagating baggage entries in the OTel API.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.

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