diff --git a/docs/openapi.json b/docs/openapi.json
index 2586ded1..21f794be 100644
--- a/docs/openapi.json
+++ b/docs/openapi.json
@@ -585,13 +585,10 @@
           },
           {
             "description": "Required. New workflow status.",
-            "in": "body",
+            "in": "query",
             "name": "status",
             "required": true,
-            "schema": {
-              "description": "Required. New status.",
-              "type": "string"
-            }
+            "type": "string"
           },
           {
             "description": "Required. The API access_token of workflow owner.",
@@ -599,6 +596,15 @@
             "name": "access_token",
             "required": true,
             "type": "string"
+          },
+          {
+            "description": "Optional. Extra parameters for workflow status.",
+            "in": "body",
+            "name": "parameters",
+            "required": false,
+            "schema": {
+              "type": "object"
+            }
           }
         ],
         "produces": [
diff --git a/reana_server/openapi_connections/reana_workflow_controller.json b/reana_server/openapi_connections/reana_workflow_controller.json
index 08235dbb..abc3dab7 100644
--- a/reana_server/openapi_connections/reana_workflow_controller.json
+++ b/reana_server/openapi_connections/reana_workflow_controller.json
@@ -469,12 +469,18 @@
           },
           {
             "description": "Required. New status.",
-            "in": "body",
+            "in": "query",
             "name": "status",
             "required": true,
+            "type": "string"
+          },
+          {
+            "description": "Optional. Extra parameters for workflow status.",
+            "in": "body",
+            "name": "parameters",
+            "required": false,
             "schema": {
-              "description": "Required. New status.",
-              "type": "string"
+              "type": "object"
             }
           }
         ],
diff --git a/reana_server/rest/workflows.py b/reana_server/rest/workflows.py
index c86702c2..2d626146 100644
--- a/reana_server/rest/workflows.py
+++ b/reana_server/rest/workflows.py
@@ -519,17 +519,21 @@ def set_workflow_status(workflow_id_or_name):  # noqa
           required: true
           type: string
         - name: status
-          in: body
+          in: query
           description: Required. New workflow status.
           required: true
-          schema:
-            type: string
-            description: Required. New status.
+          type: string
         - name: access_token
           in: query
           description: Required. The API access_token of workflow owner.
           required: true
           type: string
+        - name: parameters
+          in: body
+          description: Optional. Extra parameters for workflow status.
+          required: false
+          schema:
+            type: object
       responses:
         200:
           description: >-
@@ -613,13 +617,14 @@ def set_workflow_status(workflow_id_or_name):  # noqa
 
         if not workflow_id_or_name:
             raise KeyError("workflow_id_or_name is not supplied")
-
-        status = request.json
+        status = request.args.get('status')
+        parameters = request.json
 
         response, http_response = rwc_api_client.api.set_workflow_status(
             user=user_id,
             workflow_id_or_name=workflow_id_or_name,
-            status=status).result()
+            status=status,
+            parameters=parameters).result()
 
         return jsonify(response), http_response.status_code
     except HTTPError as e: