diff --git a/core/utils.go b/core/utils.go
index ac2cddd..d5c8aa4 100644
--- a/core/utils.go
+++ b/core/utils.go
@@ -20,10 +20,16 @@ import (
 	v1 "github.com/retailcrm/mg-transport-api-client-go/v1"
 )
 
-var DefaultScopes = []string{
-	"integration_read",
-	"integration_write",
-}
+var (
+	DefaultScopes = []string{
+		"integration_read",
+		"integration_write",
+	}
+	DefaultCredentials = []string{
+		"/api/integration-modules/{code}",
+		"/api/integration-modules/{code}/edit",
+	}
+)
 
 var defaultCurrencies = map[string]string{
 	"rub": "₽",
@@ -112,7 +118,9 @@ func (u *Utils) GenerateToken() string {
 }
 
 // GetAPIClient will initialize RetailCRM api client from url and key.
-func (u *Utils) GetAPIClient(url, key string, scopes []string) (*retailcrm.Client, int, error) {
+// Scopes will be used to determine if client is valid. If there are no scopes - credentials will be used instead.
+func (u *Utils) GetAPIClient(
+	url, key string, scopes []string, credentials ...[]string) (*retailcrm.Client, int, error) {
 	client := retailcrm.New(url, key).
 		WithLogger(retailcrm.DebugLoggerAdapter(u.Logger))
 	client.Debug = u.IsDebug
@@ -123,8 +131,15 @@ func (u *Utils) GetAPIClient(url, key string, scopes []string) (*retailcrm.Clien
 	}
 
 	if res := u.checkScopes(cr.Scopes, scopes); len(res) != 0 {
-		u.Logger.Error(url, status, res)
-		return nil, http.StatusBadRequest, NewInsufficientScopesErr(res)
+		if len(credentials) == 0 || len(cr.Scopes) > 0 {
+			u.Logger.Error(url, status, res)
+			return nil, http.StatusBadRequest, NewInsufficientScopesErr(res)
+		}
+
+		if res := u.checkScopes(cr.Credentials, credentials[0]); len(res) != 0 {
+			u.Logger.Error(url, status, res)
+			return nil, http.StatusBadRequest, NewInsufficientScopesErr(res)
+		}
 	}
 
 	return client, 0, nil
diff --git a/core/utils_test.go b/core/utils_test.go
index d77c122..1250488 100644
--- a/core/utils_test.go
+++ b/core/utils_test.go
@@ -91,7 +91,7 @@ func (u *UtilsTest) Test_GetAPIClient_FailAPI() {
 	}
 }
 
-func (u *UtilsTest) Test_GetAPIClient_FailAPICredentials() {
+func (u *UtilsTest) Test_GetAPIClient_FailAPIScopes() {
 	resp := retailcrm.CredentialResponse{
 		Success:        true,
 		Scopes:         []string{},
@@ -114,6 +114,29 @@ func (u *UtilsTest) Test_GetAPIClient_FailAPICredentials() {
 	}
 }
 
+func (u *UtilsTest) Test_GetAPIClient_FailAPICredentials() {
+	resp := retailcrm.CredentialResponse{
+		Success:        true,
+		Credentials:    []string{DefaultCredentials[0]},
+		SiteAccess:     "all",
+		SitesAvailable: []string{},
+	}
+
+	data, _ := json.Marshal(resp)
+
+	defer gock.Off()
+	gock.New(testCRMURL).
+		Get("/credentials").
+		Reply(http.StatusOK).
+		BodyString(string(data))
+
+	_, status, err := u.utils.GetAPIClient(testCRMURL, "key", DefaultScopes, DefaultCredentials)
+	assert.Equal(u.T(), http.StatusBadRequest, status)
+	if assert.NotNil(u.T(), err) {
+		assert.True(u.T(), errors.Is(err, ErrInsufficientScopes))
+	}
+}
+
 func (u *UtilsTest) Test_GetAPIClient_Success() {
 	resp := retailcrm.CredentialResponse{
 		Success:        true,
@@ -135,6 +158,27 @@ func (u *UtilsTest) Test_GetAPIClient_Success() {
 	assert.Equal(u.T(), 0, status)
 }
 
+func (u *UtilsTest) Test_GetAPIClient_SuccessCredentials() {
+	resp := retailcrm.CredentialResponse{
+		Success:        true,
+		Credentials:    DefaultCredentials,
+		SiteAccess:     "all",
+		SitesAvailable: []string{"site"},
+	}
+
+	data, _ := json.Marshal(resp)
+
+	defer gock.Off()
+	gock.New(testCRMURL).
+		Get("/credentials").
+		Reply(http.StatusOK).
+		BodyString(string(data))
+
+	_, status, err := u.utils.GetAPIClient(testCRMURL, "key", DefaultScopes, DefaultCredentials)
+	require.NoError(u.T(), err)
+	assert.Equal(u.T(), 0, status)
+}
+
 func (u *UtilsTest) Test_UploadUserAvatar_FailGet() {
 	defer gock.Off()
 	gock.New("https://example.com")