mfaisalkhatri/PATCH_vs_PUT.md

Last active April 7, 2026 12:18

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Difference between PATCH and PUT APIs.

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PATCH_vs_PUT.md

Criteria	PATCH	PUT
Purpose	Partially updates a resource	Completely replaces a resource
Request Body	Only includes fields that need to be updated	Requires the full resource representation
Data Sent	Only changed fields	Entire data payload
Idempotency	Not always idempotent	Always idempotent
Use Case	Updating specific fields	Replacing an entire record
Risk of Data Loss	Low, as the unchanged fields remain intact	High, if some fields are omitted they may be overwritten or removed

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