JavaScript Object Notation (JSON) Patch
RFC 6902
Internet Engineering Task Force (IETF) P. Bryan, Ed.
Request for Comments: 6902 Salesforce.com
Category: Standards Track M. Nottingham, Ed.
ISSN: 2070-1721 Akamai
April 2013
JavaScript Object Notation (JSON) Patch
Abstract
JSON Patch defines a JSON document structure for expressing a
sequence of operations to apply to a JavaScript Object Notation
(JSON) document; it is suitable for use with the HTTP PATCH method.
The "application/json-patch+json" media type is used to identify such
patch documents.
Status of This Memo
This is an Internet Standards Track document.
This document is a product of the Internet Engineering Task Force
(IETF). It represents the consensus of the IETF community. It has
received public review and has been approved for publication by the
Internet Engineering Steering Group (IESG). Further information on
Internet Standards is available in Section 2 of RFC 5741.
Information about the current status of this document, any errata,
and how to provide feedback on it may be obtained at
http://www.rfc-editor.org/info/rfc6902.
Copyright Notice
Copyright (c) 2013 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Bryan & Nottingham Standards Track [Page 1]
RFC 6902 JSON Patch April 2013
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Conventions . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. Document Structure . . . . . . . . . . . . . . . . . . . . . . 3
4. Operations . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4.1. add . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4.2. remove . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4.3. replace . . . . . . . . . . . . . . . . . . . . . . . . . 6
4.4. move . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4.5. copy . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.6. test . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5. Error Handling . . . . . . . . . . . . . . . . . . . . . . . . 8
6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 9
7. Security Considerations . . . . . . . . . . . . . . . . . . . 10
8. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 10
9. References . . . . . . . . . . . . . . . . . . . . . . . . . . 10
9.1. Normative References . . . . . . . . . . . . . . . . . . . 10
9.2. Informative References . . . . . . . . . . . . . . . . . . 10
Appendix A. Examples . . . . . . . . . . . . . . . . . . . . . . 12
A.1. Adding an Object Member . . . . . . . . . . . . . . . . . 12
A.2. Adding an Array Element . . . . . . . . . . . . . . . . . 12
A.3. Removing an Object Member . . . . . . . . . . . . . . . . 12
A.4. Removing an Array Element . . . . . . . . . . . . . . . . 13
A.5. Replacing a Value . . . . . . . . . . . . . . . . . . . . 13
A.6. Moving a Value . . . . . . . . . . . . . . . . . . . . . . 14
A.7. Moving an Array Element . . . . . . . . . . . . . . . . . 14
A.8. Testing a Value: Success . . . . . . . . . . . . . . . . . 15
A.9. Testing a Value: Error . . . . . . . . . . . . . . . . . . 15
A.10. Adding a Nested Member Object . . . . . . . . . . . . . . 15
A.11. Ignoring Unrecognized Elements . . . . . . . . . . . . . . 16
A.12. Adding to a Nonexistent Target . . . . . . . . . . . . . . 16
A.13. Invalid JSON Patch Document . . . . . . . . . . . . . . . 17
A.14. ~ Escape Ordering . . . . . . . . . . . . . . . . . . . . 17
A.15. Comparing Strings and Numbers . . . . . . . . . . . . . . 17
A.16. Adding an Array Value . . . . . . . . . . . . . . . . . . 18
Bryan & Nottingham Standards Track [Page 2]
RFC 6902 JSON Patch April 2013
1. Introduction
JavaScript Object Notation (JSON) [RFC4627] is a common format for
the exchange and storage of structured data. HTTP PATCH [RFC5789]
extends the Hypertext Transfer Protocol (HTTP) [RFC2616] with a
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