diff --git a/spec/namespaces/_core.yaml b/spec/namespaces/_core.yaml
index 3c2187e7..406225bd 100644
--- a/spec/namespaces/_core.yaml
+++ b/spec/namespaces/_core.yaml
@@ -76,6 +76,57 @@ paths:
       responses:
         '200':
           $ref: '#/components/responses/bulk@200'
+  /_bulk/stream:
+    post:
+      operationId: bulk.stream.0
+      x-operation-group: bulk
+      x-version-added: '2.17.0'
+      description: Allows to perform multiple index/update/delete operations using request / response streaming
+      externalDocs:
+        url: https://opensearch.org/docs/latest/api-reference/document-apis/bulk-streaming/
+      parameters:
+        - $ref: '#/components/parameters/bulk::query._source'
+        - $ref: '#/components/parameters/bulk::query._source_excludes'
+        - $ref: '#/components/parameters/bulk::query._source_includes'
+        - $ref: '#/components/parameters/bulk::query.pipeline'
+        - $ref: '#/components/parameters/bulk::query.refresh'
+        - $ref: '#/components/parameters/bulk::query.require_alias'
+        - $ref: '#/components/parameters/bulk::query.routing'
+        - $ref: '#/components/parameters/bulk::query.timeout'
+        - $ref: '#/components/parameters/bulk::query.type'
+        - $ref: '#/components/parameters/bulk::query.wait_for_active_shards'
+        - $ref: '#/components/parameters/bulk::query.batch_size'
+        - $ref: '#/components/parameters/bulk::query.batch_interval'
+      requestBody:
+        $ref: '#/components/requestBodies/bulk'
+      responses:
+        '200':
+          $ref: '#/components/responses/bulk@200'
+    put:
+      operationId: bulk.stream.1
+      x-operation-group: bulk
+      x-version-added: '2.17.0'
+      description: Allows to perform multiple index/update/delete operations using request / response streaming
+      externalDocs:
+        url: https://opensearch.org/docs/latest/api-reference/document-apis/bulk-streaming/
+      parameters:
+        - $ref: '#/components/parameters/bulk::query._source'
+        - $ref: '#/components/parameters/bulk::query._source_excludes'
+        - $ref: '#/components/parameters/bulk::query._source_includes'
+        - $ref: '#/components/parameters/bulk::query.pipeline'
+        - $ref: '#/components/parameters/bulk::query.refresh'
+        - $ref: '#/components/parameters/bulk::query.require_alias'
+        - $ref: '#/components/parameters/bulk::query.routing'
+        - $ref: '#/components/parameters/bulk::query.timeout'
+        - $ref: '#/components/parameters/bulk::query.type'
+        - $ref: '#/components/parameters/bulk::query.wait_for_active_shards'
+        - $ref: '#/components/parameters/bulk::query.batch_size'
+        - $ref: '#/components/parameters/bulk::query.batch_interval'
+      requestBody:
+        $ref: '#/components/requestBodies/bulk'
+      responses:
+        '200':
+          $ref: '#/components/responses/bulk@200'
   /_count:
     get:
       operationId: count.0
@@ -3217,6 +3268,23 @@ components:
         $ref: '../schemas/_common.yaml#/components/schemas/WaitForActiveShards'
       style: form
       x-default: '1'
+    bulk::query.batch_size:
+      in: query
+      name: batch_size
+      description: |-
+        Specifies how many bulk operations should be accumulated into a batch before sending the batch to data nodes.
+      schema:
+        $ref: '../schemas/_common.yaml#/components/schemas/BatchSize'
+      style: form
+      x-default: '1'
+    bulk::query.batch_interval:
+      in: query
+      name: batch_interval
+      description: |-
+        Specifies for how long bulk operations should be accumulated into a batch before sending the batch to data nodes.
+      schema:
+        $ref: '../schemas/_common.yaml#/components/schemas/Duration'
+      style: form
     clear_scroll::path.scroll_id:
       in: path
       name: scroll_id
diff --git a/spec/schemas/_common.yaml b/spec/schemas/_common.yaml
index 14060078..d7d74260 100644
--- a/spec/schemas/_common.yaml
+++ b/spec/schemas/_common.yaml
@@ -2230,3 +2230,6 @@ components:
       required:
         - reason
         - status
+    BatchSize:
+      type: integer
+      format: int64