diff --git a/CHANGELOG.md b/CHANGELOG.md
index 453d4697a..9385dbda2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -36,7 +36,6 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Added JsonSchemaValidator, a wrapper for AJV ([#364](https://github.com/opensearch-project/opensearch-api-specification/issues/364))
 - Added support for `application/cbor` responses ([#371](https://github.com/opensearch-project/opensearch-api-specification/pull/371))
 - Added `/_plugins/_sql`, `close`, `explain` and `stats` ([#379](https://github.com/opensearch-project/opensearch-api-specification/pull/379))
-- Added tests for SQL namespace ([#379](https://github.com/opensearch-project/opensearch-api-specification/pull/379))
 - Added support for `application/smile` responses ([#386](https://github.com/opensearch-project/opensearch-api-specification/pull/386))
 - Added `doc_status`, `remote_store`, `segment_replication` and `unreferenced_file_cleanups_performed` to `SegmentStats` ([#395](https://github.com/opensearch-project/opensearch-api-specification/pull/395))
 - Added `concurrent_query_*` and `search_idle_reactivate_count_total` fields to `SearchStats` ([#395](https://github.com/opensearch-project/opensearch-api-specification/pull/395))
@@ -58,7 +57,8 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Added `retry` to `tester` to support asynchronous tasks ([453](https://github.com/opensearch-project/opensearch-api-specification/pull/453))
 - Added passing OPENSEARCH_JAVA_OPTS into the docker container used for tests ([#454](https://github.com/opensearch-project/opensearch-api-specification/pull/454))
 - Added a warning on mulitple paths being tested in the same file ([#452](https://github.com/opensearch-project/opensearch-api-specification/pull/452))
- 
+- Added `/_plugins/_query/settings` ([#456](https://github.com/opensearch-project/opensearch-api-specification/pull/456))
+
 ### Changed
 
 - Replaced Smithy with a native OpenAPI spec ([#189](https://github.com/opensearch-project/opensearch-api-specification/issues/189))
diff --git a/spec/_superseded_operations.yaml b/spec/_superseded_operations.yaml
index 768cb8a4d..2f6693133 100644
--- a/spec/_superseded_operations.yaml
+++ b/spec/_superseded_operations.yaml
@@ -586,7 +586,7 @@ $schema: ./json_schemas/_superseded_operations.schema.yaml
   operations:
     - POST
 /_opendistro/_sql/settings:
-  superseded_by: /_plugins/_sql/settings
+  superseded_by: /_plugins/_query/settings
   operations:
     - PUT
 /_opendistro/_sql/stats:
diff --git a/spec/namespaces/sql.yaml b/spec/namespaces/sql.yaml
index 0afdde2d8..aeba15e55 100644
--- a/spec/namespaces/sql.yaml
+++ b/spec/namespaces/sql.yaml
@@ -4,6 +4,21 @@ info:
   description: OpenSearch SQL API
   version: 1.0.0
 paths:
+  /_plugins/_query/settings:
+    put:
+      operationId: sql.settings.0
+      x-operation-group: sql.settings
+      x-version-added: '1.0'
+      description: Adds SQL settings to the standard OpenSearch cluster settings.
+      externalDocs:
+        url: https://opensearch.org/docs/latest/search-plugins/sql/settings/
+      parameters:
+        - $ref: '#/components/parameters/sql.settings::query.format'
+      requestBody:
+        $ref: '#/components/requestBodies/sql.settings'
+      responses:
+        '200':
+          $ref: '#/components/responses/sql.settings@200'
   /_plugins/_sql:
     post:
       operationId: sql.query.0
@@ -83,13 +98,18 @@ paths:
           $ref: '#/components/responses/sql.post_stats@200'
 components:
   parameters:
+    sql.settings::query.format:
+      name: format
+      in: query
+      description: A short version of the Accept header, e.g. json, yaml.
+      schema:
+        type: string
     sql.query::query.format:
       name: format
       in: query
       description: A short version of the Accept header, e.g. json, yaml.
       schema:
         type: string
-        description: A short version of the Accept header, e.g. json, yaml.
     sql.query::query.sanitize:
       name: sanitize
       in: query
@@ -97,14 +117,12 @@ components:
       schema:
         type: boolean
         default: true
-        description: Specifies whether to escape special characters in the results
     sql.explain::query.format:
       name: format
       in: query
       description: A short version of the Accept header, e.g. json, yaml.
       schema:
         type: string
-        description: A short version of the Accept header, e.g. json, yaml.
     sql.explain::query.sanitize:
       name: sanitize
       in: query
@@ -112,14 +130,12 @@ components:
       schema:
         type: boolean
         default: true
-        description: Specifies whether to escape special characters in the results
     sql.close::query.format:
       name: format
       in: query
       description: A short version of the Accept header, e.g. json, yaml.
       schema:
         type: string
-        description: A short version of the Accept header, e.g. json, yaml.
     sql.close::query.sanitize:
       name: sanitize
       in: query
@@ -127,14 +143,12 @@ components:
       schema:
         type: boolean
         default: true
-        description: Specifies whether to escape special characters in the results
     sql.get_stats::query.format:
       name: format
       in: query
       description: A short version of the Accept header, e.g. json, yaml.
       schema:
         type: string
-        description: A short version of the Accept header, e.g. json, yaml.
     sql.get_stats::query.sanitize:
       name: sanitize
       in: query
@@ -142,14 +156,12 @@ components:
       schema:
         type: boolean
         default: true
-        description: Specifies whether to escape special characters in the results
     sql.post_stats::query.format:
       name: format
       in: query
       description: A short version of the Accept header, e.g. json, yaml.
       schema:
         type: string
-        description: A short version of the Accept header, e.g. json, yaml.
     sql.post_stats::query.sanitize:
       name: sanitize
       in: query
@@ -157,8 +169,15 @@ components:
       schema:
         type: boolean
         default: true
-        description: Specifies whether to escape special characters in the results
   requestBodies:
+    sql.settings:
+      content:
+        application/json:
+          schema:
+            anyOf:
+              - $ref: '../schemas/sql._common.yaml#/components/schemas/SqlSettingsPlain'
+              - $ref: '../schemas/sql._common.yaml#/components/schemas/SqlSettings'
+      required: true
     sql.query:
       content:
         application/json:
@@ -184,8 +203,12 @@ components:
             $ref: '../schemas/sql._common.yaml#/components/schemas/SqlStats'
       required: true
   responses:
+    sql.settings@200:
+      content:
+        application/json:
+          schema:
+            $ref: '../schemas/sql._common.yaml#/components/schemas/SqlSettingsResponse'
     sql.query@200:
-      description: ''
       content:
         application/json:
           schema:
diff --git a/spec/schemas/sql._common.yaml b/spec/schemas/sql._common.yaml
index ea1abf9f0..3d1a9600d 100644
--- a/spec/schemas/sql._common.yaml
+++ b/spec/schemas/sql._common.yaml
@@ -85,4 +85,86 @@ components:
         user:
           type: object
         execution_time:
-          type: object
\ No newline at end of file
+          type: object
+    SqlSettings:
+      type: object
+      properties:
+        transient:
+          $ref: '#/components/schemas/Transient'
+    SqlSettingsPlain:
+      type: object
+      properties:
+        transient:
+          $ref: '#/components/schemas/TransientPlain'
+    SqlSettingsResponse:
+      type: object
+      properties:
+        acknowledged:
+          type: boolean
+        persistent:
+          type: object
+        transient:
+          $ref: '#/components/schemas/Transient'
+    Transient:
+      type: object
+      properties:
+        plugins:
+          $ref: '#/components/schemas/Plugins'
+    Plugins:
+      type: object
+      properties:
+        ppl:
+          $ref: '#/components/schemas/Ppl'
+        query:
+          $ref: '#/components/schemas/Query'
+        sql:
+          $ref: '#/components/schemas/Sql'
+    Ppl:
+      type: object
+      properties:
+        enabled:
+          anyOf:
+            - type: boolean
+            - type: string
+    Query:
+      type: object
+      properties:
+        memory_limit:
+          type: string
+        size_limit:
+          anyOf:
+            - type: string
+            - type: integer
+    Sql:
+      type: object
+      properties:
+        enabled:
+          anyOf:
+            - type: boolean
+            - type: string
+        slowlog:
+          anyOf:
+            - type: integer
+            - type: string
+        cursor:
+          $ref: '#/components/schemas/Cursor'
+    Cursor:
+      type: object
+      properties:
+        keep_alive:
+          type: string
+    TransientPlain:
+      type: object
+      properties:
+        plugins.sql.enabled:
+          type: boolean
+        plugins.ppl.enabled:
+          type: boolean
+        plugins.sql.slowlog:
+          type: integer
+        plugins.sql.cursor.keep_alive:
+          type: string
+        plugins.query.memory_limit:
+          type: string
+        plugins.query.size_limit:
+          type: integer
\ No newline at end of file
diff --git a/tests/sql/query.yaml b/tests/sql/query.yaml
index 9dba20594..3111d0d64 100644
--- a/tests/sql/query.yaml
+++ b/tests/sql/query.yaml
@@ -17,6 +17,8 @@ chapters:
   - synopsis: Get SQL query
     path: /_plugins/_sql
     method: POST
+    parameters:
+      sanitize: false
     request_body:
       payload:
         query: 'SELECT * FROM books'
diff --git a/tests/sql/settings.yaml b/tests/sql/settings.yaml
new file mode 100644
index 000000000..68e5f91c7
--- /dev/null
+++ b/tests/sql/settings.yaml
@@ -0,0 +1,38 @@
+$schema: ../../json_schemas/test_story.schema.yaml
+
+description: Test updating SQL settings in OS cluster.
+
+chapters:
+  - synopsis: Update SQL settings.
+    path: /_plugins/_query/settings
+    method: PUT
+    request_body:
+      payload:
+        transient: 
+          plugins:
+            sql:
+              enabled: true
+              slowlog: '2'
+              cursor:
+                keep_alive: 1m
+            ppl:
+              enabled: true
+            query:
+              memory_limit: '80%'
+              size_limit: 200
+    response:
+      status: 200
+  - synopsis: Update SQL settings with plain request body.
+    path: /_plugins/_query/settings
+    method: PUT
+    request_body:
+      payload:
+        transient: 
+          plugins.sql.enabled: true
+          plugins.ppl.enabled: true
+          plugins.sql.slowlog: 2
+          plugins.sql.cursor.keep_alive: 1m
+          plugins.query.memory_limit: '80%'
+          plugins.query.size_limit: 200
+    response:
+      status: 200
\ No newline at end of file