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Recent Revisions to This Document {#restgs-doc-revisions}
=========================================================

26.02.01
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Added new section that explains how to migrate from HTTP signature messaging to JWT messaging using a shared secret key pair. See [Set Up a JSON Web Token Message Using Shared Secret Keys](/docs/cybs/en-us/platform/developer/all/rest/rest-getting-started/restgs-jwt-shared-secret-intro.md "").  
Added a warning note with the deprecation deadline for HTTP signature messaging. See [Set Up an HTTP Signature Message \[DEPRECATING\]](/docs/cybs/en-us/platform/developer/all/rest/rest-getting-started/restgs-http-message-intro.md "").

26.01.01
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This revision contains only editorial changes and no technical updates.

25.12.01
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Added information about how to test a REST--API Response MLE key. For more information, see the Test Your REST---API Response MLE Key section in [Test Your Setup](/docs/cybs/en-us/platform/developer/all/rest/rest-getting-started/restgs-jwt-message-intro/restgs-jwt-message-test.md "").

25.11.01
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Restructured these sections:

* [Construct Messages Using JSON Web Tokens](/docs/cybs/en-us/platform/developer/all/rest/rest-getting-started/restgs-jwt-message-intro/restgs-jwt-const-intro.md "")
* [Enable Message-Level Encryption](/docs/cybs/en-us/platform/developer/all/rest/rest-getting-started/restgs-jwt-message-intro/restgs-mle-intro.md "")
* [Construct Messages Using HTTP Signature Security](/docs/cybs/en-us/platform/developer/all/rest/rest-getting-started/restgs-http-message-intro/restgs-http-message-conf-intro.md "")

Added these sections for testing your security set up:

* JWT Messaging: [Test Your Setup](/docs/cybs/en-us/platform/developer/all/rest/rest-getting-started/restgs-jwt-message-intro/restgs-jwt-message-test.md "")
* HTTP Signature Messaging: [Test Your Setup](/docs/cybs/en-us/platform/developer/all/rest/rest-getting-started/restgs-http-message-intro/restgs-test.md "")

25.10.02
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This revision contains only editorial changes and no technical updates.

25.10.01
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This revision contains only editorial changes and no technical updates.

25.09.01
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Added new set up information for enabling Message-Level Encryption (MLE) using JSON Web Tokens (JWTs). See the Overview of MLE Set Up and Java: Enbaling MLE Using JWTs sections in [Enable Message-Level Encryption](/docs/cybs/en-us/platform/developer/all/rest/rest-getting-started/restgs-jwt-message-intro/restgs-mle-intro.md "").

25.08.03
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This revision contains only editorial changes and no technical updates.

25.08.02
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This revision contains only editorial changes and no technical updates.

25.08.01
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Added information about username and password requirements for creating a Sandbox account. See these topics:

* JWT Messaging: [Sign Up for a Sandbox Account](/docs/cybs/en-us/platform/developer/all/rest/rest-getting-started/restgs-jwt-message-intro/restgs-register.md "")
* HTTP Signature Messaging: [Sign Up for a Sandbox Account](/docs/cybs/en-us/platform/developer/all/rest/rest-getting-started/restgs-http-message-intro/restgs-register-http.md "")

25.06.01
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This revision contains only editorial changes and no technical updates.

25.04.01
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Updated the Header field from `Date` to `v-c-date` for HTTP Signature Method. See Elements of an HTTP Message section and Update Header Fields section in [Construct Messages Using HTTP Signature Security](/docs/cybs/en-us/platform/developer/all/rest/rest-getting-started/restgs-http-message-intro/restgs-http-message-conf-intro.md "").

25.03.01
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This revision contains only editorial changes and no technical updates.

25.02.01
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Updated the link in Step 6 and added steps about using the JSON Web Token. See[Construct Messages Using JSON Web Tokens](/docs/cybs/en-us/platform/developer/all/rest/rest-getting-started/restgs-jwt-message-intro/restgs-jwt-const-intro.md ""), and added the Create the Authorization Header section.  
Updated the description of the signature keyid. See the Update Header Fields section in [Construct Messages Using HTTP Signature Security](/docs/cybs/en-us/platform/developer/all/rest/rest-getting-started/restgs-http-message-intro/restgs-http-message-conf-intro.md "").  
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