diff --git a/packages/connectors/connector-clicksend-sms/src/types.ts b/packages/connectors/connector-clicksend-sms/src/types.ts
new file mode 100644
index 000000000000..d81e9b032102
--- /dev/null
+++ b/packages/connectors/connector-clicksend-sms/src/types.ts
@@ -0,0 +1,90 @@
+import type { Nullable } from '@silverhand/essentials';
+import { z } from 'zod';
+
+/**
+ * @doc https://developers.clicksend.com/docs/rest/v3/#send-sms
+ */
+
+export type ClicksendSmsMessage = {
+  to: string;
+  from?: string;
+  body: string;
+  source?: string;
+  schedule?: number;
+  custom_string?: string;
+};
+
+export type ClicksendSmsRequest = {
+  messages: ClicksendSmsMessage[];
+};
+
+/**
+ * UsageType here is used to specify the use case of the template, can be either
+ * 'Register', 'SignIn', 'ForgotPassword', 'Generic', etc.
+ */
+const requiredTemplateUsageTypes = ['Register', 'SignIn', 'ForgotPassword', 'Generic'];
+
+const templateGuard = z.object({
+  usageType: z.string(),
+  content: z.string(),
+});
+
+export const clicksendSmsConfigGuard = z.object({
+  username: z.string(),
+  apiKey: z.string(),
+  from: z.string().optional(),
+  templates: z.array(templateGuard).refine(
+    (templates) =>
+      requiredTemplateUsageTypes.every((requiredType) =>
+        templates.map((template) => template.usageType).includes(requiredType)
+      ),
+    (templates) => ({
+      message: `Template with UsageType (${requiredTemplateUsageTypes
+        .filter(
+          (requiredType) => !templates.map((template) => template.usageType).includes(requiredType)
+        )
+        .join(', ')}) should be provided!`,
+    })
+  ),
+});
+
+export type ClicksendSmsConfig = z.infer<typeof clicksendSmsConfigGuard>;
+
+export type ClicksendSmsResponse = {
+  http_code: number;
+  response_code: string;
+  response_msg: string;
+  data: {
+    total_price: number;
+    total_count: number;
+    queued_count: number;
+    messages: Array<{
+      direction: string;
+      date: number;
+      to: string;
+      body: string;
+      from: string;
+      schedule: number;
+      message_id: string;
+      message_parts: number;
+      message_price: string;
+      custom_string: string;
+      user_id: number;
+      subaccount_id: number;
+    }>;
+    _currency: {
+      currency_name_short: string;
+      currency_prefix_d: string;
+      currency_prefix_c: string;
+      currency_name_long: string;
+    };
+  };
+};
+
+export type ClicksendSmsErrorResponse = {
+  http_code: number;
+  response_code: string;
+  response_msg: string;
+  data?: Nullable<unknown>;
+};
+