JSON Patch is an IETF standard (RFC 6902) format for expressing a sequence of atomic operations to modify a target JSON document.
JSON Patch (RFC 6902) defines a JSON document structure for describing changes to apply to a target JSON document. Used in HTTP PATCH API endpoints, Kubernetes mutating admission webhooks, and state replication engines, JSON Patch provides fine-grained, atomic mutations.
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| Op | Description | Example Operation Object |
|---|---|---|
add |
Adds a value to an object or inserts into array | { "op": "add", "path": "/users/0", "value": "Alice" } |
remove |
Removes a property or array item | { "op": "remove", "path": "/draft" } |
replace |
Replaces an existing value | { "op": "replace", "path": "/role", "value": "admin" } |
move |
Moves a property to a new path | { "op": "move", "from": "/oldKey", "path": "/newKey" } |
copy |
Duplicates a property to another path | { "op": "copy", "from": "/billing", "path": "/shipping" } |
test |
Asserts that a value exists before patching | { "op": "test", "path": "/version", "value": 4 } |
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