diff --git a/disperser/dataapi/docs/docs.go b/disperser/dataapi/docs/docs.go
index b597193606..550f7938ed 100644
--- a/disperser/dataapi/docs/docs.go
+++ b/disperser/dataapi/docs/docs.go
@@ -874,10 +874,9 @@ const docTemplate = `{
                 "parameters": [
                     {
                         "type": "string",
-                        "description": "Operator ID",
+                        "description": "Operator ID in hex string [default: all operators if unspecified]",
                         "name": "operator_id",
-                        "in": "query",
-                        "required": true
+                        "in": "query"
                     }
                 ],
                 "responses": {
@@ -920,10 +919,9 @@ const docTemplate = `{
                 "parameters": [
                     {
                         "type": "string",
-                        "description": "Operator ID in hex string",
+                        "description": "Operator ID in hex string [default: all operators if unspecified]",
                         "name": "operator_id",
-                        "in": "query",
-                        "required": true
+                        "in": "query"
                     }
                 ],
                 "responses": {
diff --git a/disperser/dataapi/docs/swagger.json b/disperser/dataapi/docs/swagger.json
index a7a0b56603..1fc232d13d 100644
--- a/disperser/dataapi/docs/swagger.json
+++ b/disperser/dataapi/docs/swagger.json
@@ -870,10 +870,9 @@
                 "parameters": [
                     {
                         "type": "string",
-                        "description": "Operator ID",
+                        "description": "Operator ID in hex string [default: all operators if unspecified]",
                         "name": "operator_id",
-                        "in": "query",
-                        "required": true
+                        "in": "query"
                     }
                 ],
                 "responses": {
@@ -916,10 +915,9 @@
                 "parameters": [
                     {
                         "type": "string",
-                        "description": "Operator ID in hex string",
+                        "description": "Operator ID in hex string [default: all operators if unspecified]",
                         "name": "operator_id",
-                        "in": "query",
-                        "required": true
+                        "in": "query"
                     }
                 ],
                 "responses": {
diff --git a/disperser/dataapi/docs/swagger.yaml b/disperser/dataapi/docs/swagger.yaml
index 81463d170f..53f58bf5c0 100644
--- a/disperser/dataapi/docs/swagger.yaml
+++ b/disperser/dataapi/docs/swagger.yaml
@@ -918,10 +918,9 @@ paths:
   /operators/reachability:
     get:
       parameters:
-      - description: Operator ID
+      - description: 'Operator ID in hex string [default: all operators if unspecified]'
         in: query
         name: operator_id
-        required: true
         type: string
       produces:
       - application/json
@@ -948,10 +947,9 @@ paths:
   /operators/stake:
     get:
       parameters:
-      - description: Operator ID in hex string
+      - description: 'Operator ID in hex string [default: all operators if unspecified]'
         in: query
         name: operator_id
-        required: true
         type: string
       produces:
       - application/json
diff --git a/disperser/dataapi/server_v2.go b/disperser/dataapi/server_v2.go
index 0a50e1488a..f8bc44dd5c 100644
--- a/disperser/dataapi/server_v2.go
+++ b/disperser/dataapi/server_v2.go
@@ -256,7 +256,7 @@ func (s *ServerV2) FetchBatchHandler(c *gin.Context) {
 //	@Summary	Operator stake distribution query
 //	@Tags		OperatorsStake
 //	@Produce	json
-//	@Param		operator_id	query		string	true	"Operator ID in hex string"
+//	@Param		operator_id	query		string	false	"Operator ID in hex string [default: all operators if unspecified]"
 //	@Success	200			{object}	OperatorsStakeResponse
 //	@Failure	400			{object}	ErrorResponse	"error: Bad request"
 //	@Failure	404			{object}	ErrorResponse	"error: Not found"
@@ -312,7 +312,7 @@ func (s *ServerV2) FetchOperatorsNodeInfo(c *gin.Context) {
 //	@Summary	Operator node reachability check
 //	@Tags		OperatorsReachability
 //	@Produce	json
-//	@Param		operator_id	query		string	true	"Operator ID"
+//	@Param		operator_id	query		string	false	"Operator ID in hex string [default: all operators if unspecified]"
 //	@Success	200			{object}	OperatorPortCheckResponse
 //	@Failure	400			{object}	ErrorResponse	"error: Bad request"
 //	@Failure	404			{object}	ErrorResponse	"error: Not found"