Return only requested fields.
Section: Response shaping
Sparse fieldsets
http
http
GET /users/usr_123?fields=id,name,emailExplanation
Sparse fieldsets reduce overfetching for large objects and mobile clients.
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Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.
Related commands
Same sheet · prioritizing Response shaping
Embed related resources on demand
Include relationships when the client asks for them.
Return an ETag for concurrency and caching
Tag a representation with a revision validator.
Protect updates with If-Match
Prevent lost updates from concurrent writes.
Represent async work as a job resource
Queue work and let clients poll job state.