JSON Patch (RFC 6902): Add, Remove, Replace, and Test Operations
JSON Patch (RFC 6902): apply add, remove, replace, move, copy, and test operations. Use cases for partial updates and audit trails in REST APIs.
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Tags: json, api, developer-tools
JSON Patch (RFC 6902): Add, Remove, Replace, and Test Operations A full request replaces an entire resource. For large documents with many fields, that wastes bandwidth and creates race conditions — two clients may read the same resource, modify different fields independently, and then the second silently overwrites the first client's change. JSON Patch (RFC 6902) solves both problems by sending only the specific mutations needed, applied atomically. The Six Operations A JSON Patch document is a JSON array of operation objects. Each object has at minimum an field, a field (a JSON Pointer — see RFC 6901), and operation-specific additional fields. add Inserts at . If the target is an array index, existing elements shift right. The special index appends to the end of an array. If the path…
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