diff --git a/addons/l10n_in_edi/models/res_config_settings.py b/addons/l10n_in_edi/models/res_config_settings.py
index 9a3922d2489..e03440039bd 100644
--- a/addons/l10n_in_edi/models/res_config_settings.py
+++ b/addons/l10n_in_edi/models/res_config_settings.py
@@ -32,6 +32,15 @@ class ResConfigSettings(models.TransientModel):
         self.env["account.edi.format"]._l10n_in_edi_authenticate(self.company_id)
         if not self.company_id.sudo()._l10n_in_edi_token_is_valid():
             raise UserError(_("Incorrect username or password, or the GST number on company does not match."))
+        return {
+              'type': 'ir.actions.client',
+              'tag': 'display_notification',
+              'params': {
+                  'type': 'info',
+                  'sticky': False,
+                  'message': _("API credentials validated successfully"),
+              }
+          }
 
     def l10n_in_edi_buy_iap(self):
         if not self.l10n_in_edi_production_env:
diff --git a/addons/l10n_in_edi_ewaybill/models/res_config_settings.py b/addons/l10n_in_edi_ewaybill/models/res_config_settings.py
index fe251c4f427..e0116805796 100755
--- a/addons/l10n_in_edi_ewaybill/models/res_config_settings.py
+++ b/addons/l10n_in_edi_ewaybill/models/res_config_settings.py
@@ -22,3 +22,12 @@ class ResConfigSettings(models.TransientModel):
             if response.get("error"):
                 error_message = "\n".join(["[%s] %s" % (e.get("code"), html_escape(e.get("message"))) for e in response["error"]])
             raise UserError(error_message)
+        return {
+              'type': 'ir.actions.client',
+              'tag': 'display_notification',
+              'params': {
+                  'type': 'info',
+                  'sticky': False,
+                  'message': _("API credentials validated successfully"),
+              }
+          }