diff --git a/api/grpc.yaml b/api/grpc.yaml
index ab4293a7d8..912e66dca0 100644
--- a/api/grpc.yaml
+++ b/api/grpc.yaml
@@ -31,9 +31,12 @@ components:
 
     GRPCResponse:
       type: object
+      required:
+        - statusCode
       properties:
         statusCode:
           type: integer
+          default: 0
         metadata:
           type: array
           items:
diff --git a/cli/openapi/model_grpc_response.go b/cli/openapi/model_grpc_response.go
index e11df866e0..beb725ff07 100644
--- a/cli/openapi/model_grpc_response.go
+++ b/cli/openapi/model_grpc_response.go
@@ -19,7 +19,7 @@ var _ MappedNullable = &GRPCResponse{}
 
 // GRPCResponse struct for GRPCResponse
 type GRPCResponse struct {
-	StatusCode *int32       `json:"statusCode,omitempty"`
+	StatusCode int32        `json:"statusCode"`
 	Metadata   []GRPCHeader `json:"metadata,omitempty"`
 	Body       *string      `json:"body,omitempty"`
 }
@@ -28,8 +28,9 @@ type GRPCResponse struct {
 // This constructor will assign default values to properties that have it defined,
 // and makes sure properties required by API are set, but the set of arguments
 // will change when the set of required properties is changed
-func NewGRPCResponse() *GRPCResponse {
+func NewGRPCResponse(statusCode int32) *GRPCResponse {
 	this := GRPCResponse{}
+	this.StatusCode = statusCode
 	return &this
 }
 
@@ -38,39 +39,33 @@ func NewGRPCResponse() *GRPCResponse {
 // but it doesn't guarantee that properties required by API are set
 func NewGRPCResponseWithDefaults() *GRPCResponse {
 	this := GRPCResponse{}
+	var statusCode int32 = 0
+	this.StatusCode = statusCode
 	return &this
 }
 
-// GetStatusCode returns the StatusCode field value if set, zero value otherwise.
+// GetStatusCode returns the StatusCode field value
 func (o *GRPCResponse) GetStatusCode() int32 {
-	if o == nil || isNil(o.StatusCode) {
+	if o == nil {
 		var ret int32
 		return ret
 	}
-	return *o.StatusCode
+
+	return o.StatusCode
 }
 
-// GetStatusCodeOk returns a tuple with the StatusCode field value if set, nil otherwise
+// GetStatusCodeOk returns a tuple with the StatusCode field value
 // and a boolean to check if the value has been set.
 func (o *GRPCResponse) GetStatusCodeOk() (*int32, bool) {
-	if o == nil || isNil(o.StatusCode) {
+	if o == nil {
 		return nil, false
 	}
-	return o.StatusCode, true
-}
-
-// HasStatusCode returns a boolean if a field has been set.
-func (o *GRPCResponse) HasStatusCode() bool {
-	if o != nil && !isNil(o.StatusCode) {
-		return true
-	}
-
-	return false
+	return &o.StatusCode, true
 }
 
-// SetStatusCode gets a reference to the given int32 and assigns it to the StatusCode field.
+// SetStatusCode sets field value
 func (o *GRPCResponse) SetStatusCode(v int32) {
-	o.StatusCode = &v
+	o.StatusCode = v
 }
 
 // GetMetadata returns the Metadata field value if set, zero value otherwise.
@@ -147,9 +142,7 @@ func (o GRPCResponse) MarshalJSON() ([]byte, error) {
 
 func (o GRPCResponse) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if !isNil(o.StatusCode) {
-		toSerialize["statusCode"] = o.StatusCode
-	}
+	toSerialize["statusCode"] = o.StatusCode
 	if !isNil(o.Metadata) {
 		toSerialize["metadata"] = o.Metadata
 	}
diff --git a/server/openapi/model_grpc_response.go b/server/openapi/model_grpc_response.go
index 70350f9bc4..a2500a9970 100644
--- a/server/openapi/model_grpc_response.go
+++ b/server/openapi/model_grpc_response.go
@@ -10,7 +10,7 @@
 package openapi
 
 type GrpcResponse struct {
-	StatusCode int32 `json:"statusCode,omitempty"`
+	StatusCode int32 `json:"statusCode"`
 
 	Metadata []GrpcHeader `json:"metadata,omitempty"`
 
@@ -19,6 +19,15 @@ type GrpcResponse struct {
 
 // AssertGrpcResponseRequired checks if the required fields are not zero-ed
 func AssertGrpcResponseRequired(obj GrpcResponse) error {
+	elements := map[string]interface{}{
+		"statusCode": obj.StatusCode,
+	}
+	for name, el := range elements {
+		if isZero := IsZeroValue(el); isZero {
+			return &RequiredError{Field: name}
+		}
+	}
+
 	for _, el := range obj.Metadata {
 		if err := AssertGrpcHeaderRequired(el); err != nil {
 			return err
diff --git a/web/src/models/TriggerResult.model.ts b/web/src/models/TriggerResult.model.ts
index 23df2a316a..626a9f4262 100644
--- a/web/src/models/TriggerResult.model.ts
+++ b/web/src/models/TriggerResult.model.ts
@@ -24,7 +24,7 @@ const ResponseData = {
     return {
       body: get(response, 'body', ''),
       headers: get(response, 'metadata', undefined) as THeader[],
-      statusCode: get(response, 'statusCode', 200),
+      statusCode: get(response, 'statusCode', 0),
     };
   },
   [TriggerTypes.traceid](response: object) {
@@ -38,7 +38,7 @@ const ResponseData = {
 
 const TriggerResult = ({
   triggerType = 'http',
-  triggerResult: {http = {}, grpc = {}, traceid = {}} = {},
+  triggerResult: {http = {}, grpc = {statusCode: 0}, traceid = {}} = {},
 }: TRawTriggerResult): TriggerResult => {
   const type = triggerType as TriggerTypes;
 
diff --git a/web/src/types/Generated.types.ts b/web/src/types/Generated.types.ts
index 71fb23991c..2d631c60e8 100644
--- a/web/src/types/Generated.types.ts
+++ b/web/src/types/Generated.types.ts
@@ -1565,7 +1565,7 @@ export interface external {
           request?: string;
         };
         GRPCResponse: {
-          statusCode?: number;
+          statusCode: number;
           metadata?: external["grpc.yaml"]["components"]["schemas"]["GRPCHeader"][];
           body?: string;
         };