diff --git a/packages/connectors/connector-aliyun-dm/src/index.ts b/packages/connectors/connector-aliyun-dm/src/index.ts
index a243f94bb..ed743cf4e 100644
--- a/packages/connectors/connector-aliyun-dm/src/index.ts
+++ b/packages/connectors/connector-aliyun-dm/src/index.ts
@@ -74,7 +74,10 @@ const sendMessage =
 
         assert(
           typeof rawBody === 'string',
-          new ConnectorError(ConnectorErrorCodes.InvalidResponse)
+          new ConnectorError(
+            ConnectorErrorCodes.InvalidResponse,
+            `Invalid response raw body type: ${typeof rawBody}`
+          )
         );
 
         errorHandler(rawBody);
diff --git a/packages/connectors/connector-aliyun-sms/src/index.ts b/packages/connectors/connector-aliyun-sms/src/index.ts
index 932c5f87d..ebc9db7a5 100644
--- a/packages/connectors/connector-aliyun-sms/src/index.ts
+++ b/packages/connectors/connector-aliyun-sms/src/index.ts
@@ -41,7 +41,10 @@ const sendMessage =
 
     assert(
       template,
-      new ConnectorError(ConnectorErrorCodes.TemplateNotFound, `Cannot find template!`)
+      new ConnectorError(
+        ConnectorErrorCodes.TemplateNotFound,
+        `Cannot find template for type: ${type}`
+      )
     );
 
     try {
@@ -56,37 +59,49 @@ const sendMessage =
         accessKeySecret
       );
 
-      const { body: rawBody } = httpResponse;
+      const { Code, Message, ...rest } = parseResponseString(httpResponse.body);
 
-      const { Code, Message, ...rest } = parseResponseString(rawBody);
+      assert(
+        Code === 'OK',
+        new ConnectorError(
+          /**
+           * See https://help.aliyun.com/document_detail/101347.html for more details.
+           * Some errors (like rate limit) can be addressed by end users.
+           */
+          Code === 'isv.BUSINESS_LIMIT_CONTROL'
+            ? ConnectorErrorCodes.RateLimitExceeded
+            : ConnectorErrorCodes.General,
+          {
+            errorDescription: Message,
+            Code,
+            ...rest,
+          }
+        )
+      );
 
-      if (Code !== 'OK') {
+      return { Code, Message, ...rest };
+    } catch (error: unknown) {
+      if (error instanceof HTTPError) {
+        const {
+          response: { body: rawBody },
+        } = error;
+
+        assert(
+          typeof rawBody === 'string',
+          new ConnectorError(
+            ConnectorErrorCodes.InvalidResponse,
+            `Invalid response raw body type: ${typeof rawBody}`
+          )
+        );
+
+        const { Message, ...rest } = parseResponseString(rawBody);
         throw new ConnectorError(ConnectorErrorCodes.General, {
           errorDescription: Message,
-          Code,
           ...rest,
         });
       }
 
-      return httpResponse;
-    } catch (error: unknown) {
-      if (!(error instanceof HTTPError)) {
-        throw error;
-      }
-
-      const {
-        response: { body: rawBody },
-      } = error;
-
-      assert(typeof rawBody === 'string', new ConnectorError(ConnectorErrorCodes.InvalidResponse));
-
-      const { Code, Message, ...rest } = parseResponseString(rawBody);
-
-      throw new ConnectorError(ConnectorErrorCodes.General, {
-        errorDescription: Message,
-        Code,
-        ...rest,
-      });
+      throw error;
     }
   };
 
diff --git a/packages/connectors/connector-aws-ses/src/index.ts b/packages/connectors/connector-aws-ses/src/index.ts
index cef7e6756..63736ef4f 100644
--- a/packages/connectors/connector-aws-ses/src/index.ts
+++ b/packages/connectors/connector-aws-ses/src/index.ts
@@ -1,6 +1,6 @@
 import { assert } from '@silverhand/essentials';
 
-import type { SESv2Client, SendEmailCommand } from '@aws-sdk/client-sesv2';
+import type { SESv2Client, SendEmailCommand, SendEmailCommandOutput } from '@aws-sdk/client-sesv2';
 import { SESv2ServiceException } from '@aws-sdk/client-sesv2';
 import type {
   CreateConnector,
@@ -42,18 +42,19 @@ const sendMessage =
     const command: SendEmailCommand = makeCommand(config, emailContent, to);
 
     try {
-      const response = await client.send(command);
+      const response: SendEmailCommandOutput = await client.send(command);
 
-      if (response.$metadata.httpStatusCode !== 200) {
-        throw new ConnectorError(ConnectorErrorCodes.InvalidResponse, { response });
-      }
+      assert(
+        response.$metadata.httpStatusCode === 200,
+        new ConnectorError(ConnectorErrorCodes.InvalidResponse, response)
+      );
 
       return response.MessageId;
     } catch (error: unknown) {
       if (error instanceof SESv2ServiceException) {
-        const { message } = error;
-        throw new ConnectorError(ConnectorErrorCodes.InvalidResponse, message);
+        throw new ConnectorError(ConnectorErrorCodes.InvalidResponse, error.message);
       }
+
       throw error;
     }
   };
diff --git a/packages/connectors/connector-sendgrid-email/src/index.ts b/packages/connectors/connector-sendgrid-email/src/index.ts
index 9d5f4ccc1..482965598 100644
--- a/packages/connectors/connector-sendgrid-email/src/index.ts
+++ b/packages/connectors/connector-sendgrid-email/src/index.ts
@@ -75,9 +75,13 @@ const sendMessage =
         const {
           response: { body: rawBody },
         } = error;
+
         assert(
           typeof rawBody === 'string',
-          new ConnectorError(ConnectorErrorCodes.InvalidResponse)
+          new ConnectorError(
+            ConnectorErrorCodes.InvalidResponse,
+            `Invalid response raw body type: ${typeof rawBody}`
+          )
         );
 
         throw new ConnectorError(ConnectorErrorCodes.General, rawBody);
diff --git a/packages/connectors/connector-twilio-sms/src/index.ts b/packages/connectors/connector-twilio-sms/src/index.ts
index ccad11830..f69f74c56 100644
--- a/packages/connectors/connector-twilio-sms/src/index.ts
+++ b/packages/connectors/connector-twilio-sms/src/index.ts
@@ -60,7 +60,10 @@ const sendMessage =
         } = error;
         assert(
           typeof rawBody === 'string',
-          new ConnectorError(ConnectorErrorCodes.InvalidResponse)
+          new ConnectorError(
+            ConnectorErrorCodes.InvalidResponse,
+            `Invalid response raw body type: ${typeof rawBody}`
+          )
         );
 
         throw new ConnectorError(ConnectorErrorCodes.General, rawBody);
diff --git a/packages/core/src/middleware/koa-connector-error-handler.test.ts b/packages/core/src/middleware/koa-connector-error-handler.test.ts
index cec0e796a..f379c7549 100644
--- a/packages/core/src/middleware/koa-connector-error-handler.test.ts
+++ b/packages/core/src/middleware/koa-connector-error-handler.test.ts
@@ -187,6 +187,24 @@ describe('koaConnectorErrorHandler middleware', () => {
     );
   });
 
+  it('Rate Limit Exceeded', async () => {
+    const message = 'Mock Rate Limit Exceeded';
+    const error = new ConnectorError(ConnectorErrorCodes.RateLimitExceeded, message);
+    next.mockImplementationOnce(() => {
+      throw error;
+    });
+
+    await expect(koaConnectorErrorHandler()(ctx, next)).rejects.toMatchError(
+      new RequestError(
+        {
+          code: 'connector.rate_limit_exceeded',
+          status: 429,
+        },
+        { message }
+      )
+    );
+  });
+
   it('General connector errors with string type messages', async () => {
     const message = 'Mock General connector errors';
     const error = new ConnectorError(ConnectorErrorCodes.General, message);
diff --git a/packages/core/src/middleware/koa-connector-error-handler.ts b/packages/core/src/middleware/koa-connector-error-handler.ts
index 311e9b239..5bad6e65a 100644
--- a/packages/core/src/middleware/koa-connector-error-handler.ts
+++ b/packages/core/src/middleware/koa-connector-error-handler.ts
@@ -52,6 +52,10 @@ export default function koaConnectorErrorHandler<StateT, ContextT>(): Middleware
           throw new RequestError({ code: `connector.${code}`, status: 501 }, data);
         }
 
+        case ConnectorErrorCodes.RateLimitExceeded: {
+          throw new RequestError({ code: `connector.${code}`, status: 429 }, data);
+        }
+
         default: {
           throw new RequestError(
             {
diff --git a/packages/phrases/src/locales/de/errors/connector.ts b/packages/phrases/src/locales/de/errors/connector.ts
index 478d9b6a0..00a6019fb 100644
--- a/packages/phrases/src/locales/de/errors/connector.ts
+++ b/packages/phrases/src/locales/de/errors/connector.ts
@@ -12,6 +12,7 @@ const connector = {
   invalid_response: 'Die Antwort des Connectors ist ungültig.',
   template_not_found:
     'Die richtige Vorlage in der Connector-Konfiguration konnte nicht gefunden werden.',
+  rate_limit_exceeded: 'Auslöser-Rate-Limit. Bitte versuchen Sie es später erneut.',
   not_implemented: '{{method}}: wurde noch nicht implementiert.',
   social_invalid_access_token: 'Der Access Token des Connectors ist ungültig.',
   invalid_auth_code: 'Der Authentifizierungscode des Connectors ist ungültig.',
@@ -38,5 +39,4 @@ const connector = {
   cannot_overwrite_metadata_for_non_standard_connector:
     "Die 'Metadaten' dieses Connectors können nicht überschrieben werden.",
 };
-
 export default connector;
diff --git a/packages/phrases/src/locales/en/errors/connector.ts b/packages/phrases/src/locales/en/errors/connector.ts
index 43f16fdc3..cc555dbeb 100644
--- a/packages/phrases/src/locales/en/errors/connector.ts
+++ b/packages/phrases/src/locales/en/errors/connector.ts
@@ -10,6 +10,7 @@ const connector = {
   invalid_config: "The connector's config is invalid.",
   invalid_response: "The connector's response is invalid.",
   template_not_found: 'Unable to find correct template in connector config.',
+  rate_limit_exceeded: 'Trigger rate limit. Please try again later.',
   not_implemented: '{{method}}: has not been implemented yet.',
   social_invalid_access_token: "The connector's access token is invalid.",
   invalid_auth_code: "The connector's auth code is invalid.",
diff --git a/packages/phrases/src/locales/es/errors/connector.ts b/packages/phrases/src/locales/es/errors/connector.ts
index d45a99c85..13c48f4b3 100644
--- a/packages/phrases/src/locales/es/errors/connector.ts
+++ b/packages/phrases/src/locales/es/errors/connector.ts
@@ -11,6 +11,7 @@ const connector = {
   invalid_response: 'La respuesta del conector es inválida.',
   template_not_found:
     'No se puede encontrar la plantilla correcta en la configuración del conector.',
+  rate_limit_exceeded: 'Límite de frecuencia activado. Por favor, inténtalo de nuevo más tarde.',
   not_implemented: '{{method}}: aún no se ha implementado.',
   social_invalid_access_token: 'El token de acceso del conector es inválido.',
   invalid_auth_code: 'El código de autenticación del conector es inválido.',
diff --git a/packages/phrases/src/locales/fr/errors/connector.ts b/packages/phrases/src/locales/fr/errors/connector.ts
index ccce4fa1d..620aea456 100644
--- a/packages/phrases/src/locales/fr/errors/connector.ts
+++ b/packages/phrases/src/locales/fr/errors/connector.ts
@@ -10,6 +10,7 @@ const connector = {
   invalid_config: "La configuration du connecteur n'est pas valide.",
   invalid_response: "La réponse du connecteur n'est pas valide.",
   template_not_found: 'Impossible de trouver le bon modèle dans la configuration du connecteur.',
+  rate_limit_exceeded: 'Limite de taux déclenchée. Veuillez réessayer plus tard.',
   not_implemented: "{{method}} : n'a pas encore été mis en œuvre.",
   social_invalid_access_token: "Le jeton d'accès du connecteur n'est pas valide.",
   invalid_auth_code: "Le code d'authentification du connecteur n'est pas valide.",
diff --git a/packages/phrases/src/locales/it/errors/connector.ts b/packages/phrases/src/locales/it/errors/connector.ts
index 1ee61f08b..6fab27c8d 100644
--- a/packages/phrases/src/locales/it/errors/connector.ts
+++ b/packages/phrases/src/locales/it/errors/connector.ts
@@ -11,6 +11,7 @@ const connector = {
   invalid_response: 'La risposta del connettore non è valida.',
   template_not_found:
     'Impossibile trovare il modello corretto nella configurazione del connettore.',
+  rate_limit_exceeded: 'Limite di frequenza attivata. Riprova più tardi.',
   not_implemented: '{{method}}: non è stato ancora implementato.',
   social_invalid_access_token: 'Il token di accesso del connettore non è valido.',
   invalid_auth_code: 'Il codice di autenticazione del connettore non è valido.',
diff --git a/packages/phrases/src/locales/ja/errors/connector.ts b/packages/phrases/src/locales/ja/errors/connector.ts
index ceb6f2d4a..c109cc6c7 100644
--- a/packages/phrases/src/locales/ja/errors/connector.ts
+++ b/packages/phrases/src/locales/ja/errors/connector.ts
@@ -10,6 +10,7 @@ const connector = {
   invalid_config: 'コネクタの設定が無効です。',
   invalid_response: 'コネクタのレスポンスが無効です。',
   template_not_found: 'コネクタ構成から正しいテンプレートを見つけることができませんでした。',
+  rate_limit_exceeded: 'トリガーレート制限。後でもう一度お試しください。',
   not_implemented: '{{method}}：まだ実装されていません。',
   social_invalid_access_token: 'コネクタのアクセストークンが無効です。',
   invalid_auth_code: 'コネクタの認証コードが無効です。',
diff --git a/packages/phrases/src/locales/ko/errors/connector.ts b/packages/phrases/src/locales/ko/errors/connector.ts
index ba0cf54bd..3a742770d 100644
--- a/packages/phrases/src/locales/ko/errors/connector.ts
+++ b/packages/phrases/src/locales/ko/errors/connector.ts
@@ -10,6 +10,7 @@ const connector = {
   invalid_config: '연동 설정이 유효하지 않아요.',
   invalid_response: '연동 응답이 유효하지 않아요.',
   template_not_found: '연동 예제 설정을 찾을 수 없어요.',
+  rate_limit_exceeded: '트리거 주기 제한. 나중에 다시 시도하세요.',
   not_implemented: '{{method}}은 아직 구현되지 않았어요.',
   social_invalid_access_token: '연동 서비스의 Access 토큰이 유효하지 않아요.',
   invalid_auth_code: '연동 서비스의 Auth 코드가 유효하지 않아요.',
diff --git a/packages/phrases/src/locales/pl-pl/errors/connector.ts b/packages/phrases/src/locales/pl-pl/errors/connector.ts
index a7fc2fbc7..efdc2bdf7 100644
--- a/packages/phrases/src/locales/pl-pl/errors/connector.ts
+++ b/packages/phrases/src/locales/pl-pl/errors/connector.ts
@@ -11,6 +11,7 @@ const connector = {
   invalid_config: 'Konfiguracja łącznika jest nieprawidłowa.',
   invalid_response: 'Odpowiedź łącznika jest nieprawidłowa.',
   template_not_found: 'Nie można znaleźć poprawnego szablonu w konfiguracji łącznika.',
+  rate_limit_exceeded: 'Ograniczenie szybkości wywołań. Spróbuj ponownie później.',
   not_implemented: '{{method}}: jeszcze nie zaimplementowano.',
   social_invalid_access_token: 'Token dostępu łącznika jest nieprawidłowy.',
   invalid_auth_code: 'Kod autoryzacji łącznika jest nieprawidłowy.',
diff --git a/packages/phrases/src/locales/pt-br/errors/connector.ts b/packages/phrases/src/locales/pt-br/errors/connector.ts
index 8f30b3175..2856e4b7c 100644
--- a/packages/phrases/src/locales/pt-br/errors/connector.ts
+++ b/packages/phrases/src/locales/pt-br/errors/connector.ts
@@ -10,6 +10,7 @@ const connector = {
   invalid_config: 'A configuração do conector é inválida.',
   invalid_response: 'A resposta do conector é inválida.',
   template_not_found: 'Não foi possível encontrar o modelo correto na configuração do conector.',
+  rate_limit_exceeded: 'Limite de taxa de acionamento. Tente novamente mais tarde.',
   not_implemented: '{{method}}: ainda não foi implementado.',
   social_invalid_access_token: 'O token de acesso do conector é inválido.',
   invalid_auth_code: 'O código de autenticação do conector é inválido.',
diff --git a/packages/phrases/src/locales/pt-pt/errors/connector.ts b/packages/phrases/src/locales/pt-pt/errors/connector.ts
index 720027c5f..6672b04b8 100644
--- a/packages/phrases/src/locales/pt-pt/errors/connector.ts
+++ b/packages/phrases/src/locales/pt-pt/errors/connector.ts
@@ -10,6 +10,7 @@ const connector = {
   invalid_config: 'A configuração do conector é inválida.',
   invalid_response: 'A resposta do conector é inválida.',
   template_not_found: 'Não foi possível encontrar o modelo correto na configuração do conector.',
+  rate_limit_exceeded: 'Limite de taxa de ativação. Por favor, tente novamente mais tarde.',
   not_implemented: '{{method}}: ainda não foi implementado.',
   social_invalid_access_token: 'O token de acesso do conector é inválido.',
   invalid_auth_code: 'O código de autenticação do conector é inválido.',
diff --git a/packages/phrases/src/locales/ru/errors/connector.ts b/packages/phrases/src/locales/ru/errors/connector.ts
index a397604f0..9acc11dd1 100644
--- a/packages/phrases/src/locales/ru/errors/connector.ts
+++ b/packages/phrases/src/locales/ru/errors/connector.ts
@@ -10,6 +10,7 @@ const connector = {
   invalid_config: 'Конфигурация коннектора недействительна.',
   invalid_response: 'Ответ коннектора недействителен.',
   template_not_found: 'Невозможно найти правильный шаблон в конфигурации коннектора.',
+  rate_limit_exceeded: 'Превышен лимит запросов. Пожалуйста, попробуйте позже.',
   not_implemented: '{{method}}: еще не реализован.',
   social_invalid_access_token: 'Токен доступа коннектора недействителен.',
   invalid_auth_code: 'Код аутентификации коннектора недействителен.',
@@ -34,4 +35,5 @@ const connector = {
   cannot_overwrite_metadata_for_non_standard_connector:
     'Метаданные этого коннектора не могут быть перезаписаны.',
 };
+
 export default connector;
diff --git a/packages/phrases/src/locales/tr-tr/errors/connector.ts b/packages/phrases/src/locales/tr-tr/errors/connector.ts
index a16657f34..afb2c86ed 100644
--- a/packages/phrases/src/locales/tr-tr/errors/connector.ts
+++ b/packages/phrases/src/locales/tr-tr/errors/connector.ts
@@ -10,6 +10,7 @@ const connector = {
   invalid_config: 'Bağlayıcının ayarları geçersiz.',
   invalid_response: 'Bağlayıcının yanıtı geçersiz.',
   template_not_found: 'Bağlayıcı yapılandırmasında doğru şablon bulunamıyor.',
+  rate_limit_exceeded: 'Tetikleyici oran sınırına ulaşıldı. Lütfen daha sonra tekrar deneyin.',
   not_implemented: '{{method}}: henüz uygulanmadı.',
   social_invalid_access_token: 'Bağlayıcının erişim tokenı geçersiz.',
   invalid_auth_code: 'Bağlayıcının yetki kodu geçersiz.',
diff --git a/packages/phrases/src/locales/zh-cn/errors/connector.ts b/packages/phrases/src/locales/zh-cn/errors/connector.ts
index d518e43f2..0e5b6cf45 100644
--- a/packages/phrases/src/locales/zh-cn/errors/connector.ts
+++ b/packages/phrases/src/locales/zh-cn/errors/connector.ts
@@ -10,6 +10,7 @@ const connector = {
   invalid_config: '连接器配置错误',
   invalid_response: '连接器错误响应',
   template_not_found: '无法从连接器配置中找到对应的模板',
+  rate_limit_exceeded: '触发速率限制。请稍后再试。',
   not_implemented: '方法 {{method}} 尚未实现',
   social_invalid_access_token: '当前连接器的 access_token 无效',
   invalid_auth_code: '当前连接器的授权码无效',
diff --git a/packages/phrases/src/locales/zh-hk/errors/connector.ts b/packages/phrases/src/locales/zh-hk/errors/connector.ts
index be673b475..d77f7ca8c 100644
--- a/packages/phrases/src/locales/zh-hk/errors/connector.ts
+++ b/packages/phrases/src/locales/zh-hk/errors/connector.ts
@@ -10,6 +10,7 @@ const connector = {
   invalid_config: '連接器配置錯誤',
   invalid_response: '連接器錯誤響應',
   template_not_found: '無法從連接器配置中找到對應的模板',
+  rate_limit_exceeded: '觸發速率限制。請稍後再試。',
   not_implemented: '方法 {{method}} 尚未實現',
   social_invalid_access_token: '當前連接器的 access_token 無效',
   invalid_auth_code: '當前連接器的授權碼無效',
diff --git a/packages/phrases/src/locales/zh-tw/errors/connector.ts b/packages/phrases/src/locales/zh-tw/errors/connector.ts
index 639299516..f3d3b9f9a 100644
--- a/packages/phrases/src/locales/zh-tw/errors/connector.ts
+++ b/packages/phrases/src/locales/zh-tw/errors/connector.ts
@@ -10,6 +10,7 @@ const connector = {
   invalid_config: '連接器配置錯誤',
   invalid_response: '連接器錯誤響應',
   template_not_found: '無法從連接器配置中找到對應的模板',
+  rate_limit_exceeded: '觸發速率限制。請稍後再試。',
   not_implemented: '方法 {{method}} 尚未實現',
   social_invalid_access_token: '當前連接器的 access_token 無效',
   invalid_auth_code: '當前連接器的授權碼無效',
diff --git a/packages/toolkit/connector-kit/src/types.ts b/packages/toolkit/connector-kit/src/types.ts
index f167d9dcf..ce225e288 100644
--- a/packages/toolkit/connector-kit/src/types.ts
+++ b/packages/toolkit/connector-kit/src/types.ts
@@ -49,6 +49,7 @@ export enum ConnectorErrorCodes {
   InvalidConfig = 'invalid_config',
   InvalidResponse = 'invalid_response',
   TemplateNotFound = 'template_not_found',
+  RateLimitExceeded = 'rate_limit_exceeded',
   NotImplemented = 'not_implemented',
   SocialAuthCodeInvalid = 'social_auth_code_invalid',
   SocialAccessTokenInvalid = 'social_invalid_access_token',