# Send SMS via Clickatell Bulk SMS Gateway

Source: [https://docs.virtosoftware.com/docs/virto-workflow-automation-web-part/virto-sharepoint-workflow-activities-kit-sharepoint-2010-workflow-platform/sms-activities/send-clickatell-bulk-sms-gateway/](https://docs.virtosoftware.com/docs/virto-workflow-automation-web-part/virto-sharepoint-workflow-activities-kit-sharepoint-2010-workflow-platform/sms-activities/send-clickatell-bulk-sms-gateway/)
Product: Virto Workflow Automation Web Part
Updated: 2026-08-12


This activity allows sending a single SMS message to a specified phone number via the Clickatell Bulk SMS Gateway.

![Send SMS via Clickatell Bulk SMS Gateway activity settings in the Virto SharePoint Workflow Designer](https://img-docs.virtosoftware.com/wp-content/uploads/2024/10/send_sms_via_clickatell_bulk_sms_gateway_1.png)

**Before using this activity, you should:**

1. **Register on Clickatell**: Visit [www.clickatell.com](https://www.clickatell.com/) and sign up for an account.
2. **Create an API Integration**:

- After logging in, navigate to **My Workspace** and select **API Integrations**.
- Click on **Create New Integration** and choose the appropriate API type (e.g., HTTP API or REST API).
- Complete the setup wizard to generate your unique **[API Key](https://www.clickatell.com/help-center/general/where-find-api-id-api-key/)**, which will be used for authentication.

3. **Configure Your Sender ID** (Optional):

- If you wish to use a custom Sender ID, it must be registered and approved by Clickatell.
- Navigate to the **SMS** section and select **Sender IDs** to register your desired Sender ID.

**4. Send SMS Messages**:

- Utilize the generated API Key to authenticate your requests when sending SMS messages.
- Refer to Clickatell's [Developer Documentation](https://docs.clickatell.com) for detailed guidance on integrating and using the API.

## **SharePoint Workflow Designer Phrase**

Send SMS **this message** to **this phone number**. Use Clickatell gateway API Key **this api key**, user **this user**, and password **this password**.

**Parameters**


| Parameter | Description |
|---|---|
| this message | SMS message content. |
| this phone number | Destination phone number. |
| this sender ID | **Optional**. The source/sender address that the message will appear to come from (also known as "Sender ID"). Must be registered and approved by Clickatell. |
| this API Key | Clickatell API Key. |
| this user | Clickatell account username. |
| this password | Clickatell account password. |