diff --git a/api/http/handler/helm/helm_install.go b/api/http/handler/helm/helm_install.go
index 9d9d5b829..f60bf711c 100644
--- a/api/http/handler/helm/helm_install.go
+++ b/api/http/handler/helm/helm_install.go
@@ -61,8 +61,7 @@ func (handler *Handler) helmInstall(w http.ResponseWriter, r *http.Request) *htt
 		return httperror.InternalServerError("Unable to install a chart", err)
 	}
 
-	w.WriteHeader(http.StatusCreated)
-	return response.JSON(w, release)
+	return response.JSONWithStatus(w, release, http.StatusCreated)
 }
 
 func (p *installChartPayload) Validate(_ *http.Request) error {
diff --git a/api/http/handler/users/user_create_access_token.go b/api/http/handler/users/user_create_access_token.go
index a0be36cd0..62f790a37 100644
--- a/api/http/handler/users/user_create_access_token.go
+++ b/api/http/handler/users/user_create_access_token.go
@@ -50,7 +50,7 @@ type accessTokenResponse struct {
 // @produce json
 // @param id path int true "User identifier"
 // @param body body userAccessTokenCreatePayload true "details"
-// @success 201 {object} accessTokenResponse "Created"
+// @success 200 {object} accessTokenResponse "Created"
 // @failure 400 "Invalid request"
 // @failure 401 "Unauthorized"
 // @failure 403 "Permission denied"
@@ -115,13 +115,12 @@ func (handler *Handler) userCreateAccessToken(w http.ResponseWriter, r *http.Req
 		return httperror.InternalServerError("Internal Server Error", err)
 	}
 
-	w.WriteHeader(http.StatusCreated)
-	return response.JSON(w, accessTokenResponse{rawAPIKey, *apiKey})
+	return response.JSONWithStatus(w, accessTokenResponse{rawAPIKey, *apiKey}, http.StatusCreated)
 }
 
-func (handler *Handler) usesInternalAuthentication(userid portainer.UserID) (bool, error) {
-	// userid 1 is the admin user and always uses internal auth
-	if userid == 1 {
+func (handler *Handler) usesInternalAuthentication(userID portainer.UserID) (bool, error) {
+	// userID 1 is the admin user and always uses internal auth
+	if userID == 1 {
 		return true, nil
 	}
 
diff --git a/pkg/libhttp/response/response.go b/pkg/libhttp/response/response.go
index 250a9859d..f1d0b5832 100644
--- a/pkg/libhttp/response/response.go
+++ b/pkg/libhttp/response/response.go
@@ -14,7 +14,14 @@ import (
 // JSON encodes data to rw in JSON format. Returns a pointer to a
 // HandlerError if encoding fails.
 func JSON(rw http.ResponseWriter, data interface{}) *httperror.HandlerError {
+	return JSONWithStatus(rw, data, http.StatusOK)
+}
+
+// JSONWithStatus encodes data to rw in JSON format with a specific status code.
+// Returns a pointer to a HandlerError if encoding fails.
+func JSONWithStatus(rw http.ResponseWriter, data interface{}, status int) *httperror.HandlerError {
 	rw.Header().Set("Content-Type", "application/json")
+	rw.WriteHeader(status)
 
 	enc := json.NewEncoder(rw)
 	enc.SetSortMapKeys(false)
diff --git a/pkg/libhttp/response/response_test.go b/pkg/libhttp/response/response_test.go
new file mode 100644
index 000000000..d55142150
--- /dev/null
+++ b/pkg/libhttp/response/response_test.go
@@ -0,0 +1,143 @@
+package response
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestJSONWithStatus(t *testing.T) {
+	type TestData struct {
+		Message string `json:"message"`
+	}
+
+	tests := []struct {
+		name   string
+		data   interface{}
+		status int
+	}{
+		{
+			name:   "Success",
+			data:   TestData{Message: "Hello, World!"},
+			status: http.StatusOK,
+		},
+		{
+			name:   "Internal Server Error",
+			data:   TestData{Message: "Internal Server Error"},
+			status: http.StatusInternalServerError,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			recorder := httptest.NewRecorder()
+
+			httpErr := JSONWithStatus(recorder, test.data, test.status)
+
+			assert.Nil(t, httpErr)
+			assert.Equal(t, test.status, recorder.Code)
+			assert.Equal(t, "application/json", recorder.Header().Get("Content-Type"))
+
+			var response TestData
+			err := json.Unmarshal(recorder.Body.Bytes(), &response)
+
+			assert.NoError(t, err)
+			assert.Equal(t, test.data, response)
+		})
+	}
+}
+
+func TestJSON(t *testing.T) {
+	type TestData struct {
+		Message string `json:"message"`
+	}
+
+	tests := []struct {
+		name   string
+		data   interface{}
+		status int
+	}{
+		{
+			name:   "Success",
+			data:   TestData{Message: "Hello, World!"},
+			status: http.StatusOK,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			recorder := httptest.NewRecorder()
+
+			httpErr := JSONWithStatus(recorder, test.data, test.status)
+
+			assert.Nil(t, httpErr)
+			assert.Equal(t, test.status, recorder.Code)
+			assert.Equal(t, "application/json", recorder.Header().Get("Content-Type"))
+
+			var response TestData
+			err := json.Unmarshal(recorder.Body.Bytes(), &response)
+			assert.NoError(t, err)
+			assert.Equal(t, test.data, response)
+		})
+	}
+}
+
+func TestYAML(t *testing.T) {
+	tests := []struct {
+		name     string
+		data     interface{}
+		expected string
+		invalid  bool
+	}{
+		{
+			name:     "Success",
+			data:     "key: value",
+			expected: "key: value",
+		},
+		{
+			name:     "Invalid Data",
+			data:     123,
+			expected: "",
+			invalid:  true,
+		},
+		{
+			name: "doesn't support an Object",
+			data: map[string]interface{}{
+				"key": "value",
+			},
+			expected: "",
+			invalid:  true,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			recorder := httptest.NewRecorder()
+
+			httpErr := YAML(recorder, test.data)
+
+			if test.invalid {
+				assert.NotNil(t, httpErr)
+				assert.Equal(t, http.StatusInternalServerError, httpErr.StatusCode)
+				return
+			}
+
+			assert.Nil(t, httpErr)
+			assert.Equal(t, http.StatusOK, recorder.Code)
+			assert.Equal(t, "text/yaml", recorder.Header().Get("Content-Type"))
+			assert.Equal(t, test.expected, recorder.Body.String())
+		})
+	}
+}
+
+func TestEmpty(t *testing.T) {
+	recorder := httptest.NewRecorder()
+
+	httpErr := Empty(recorder)
+
+	assert.Nil(t, httpErr)
+	assert.Equal(t, http.StatusNoContent, recorder.Code)
+}