Home / Servers / ElevenLabs API / whatsapp_outbound_message
Send An Outbound Message Via Whatsapp
An MCP tool from the ElevenLabs API server, hosted on mcp.hjlabs.in.
Send An Outbound Message Via Whatsapp [POST /v1/convai/whatsapp/outbound-message]
Name on the gateway: elevenlabs_api__whatsapp_outbound_message · may change things.
Parameters
| Name | Type | Description |
|---|---|---|
whatsapp_phone_number_id required | string | Whatsapp Phone Number Id |
whatsapp_user_id required | string | Whatsapp User Id |
template_name required | string | Template Name |
template_language_code required | string | Template Language Code |
template_params required | array | Template Params |
agent_id required | string | Agent Id |
conversation_initiation_client_data | object | ConversationInitiationClientDataRequest |
How to call it
Through the Smart Gateway, any client can run it by name with call_tool, or let the gateway find it with search_tools:
{
"name": "elevenlabs_api__whatsapp_outbound_message",
"arguments": {
"whatsapp_phone_number_id": "…",
"whatsapp_user_id": "…",
"template_name": "…",
"template_language_code": "…",
"template_params": [],
"agent_id": "…"
}
}Or connect the ElevenLabs API server directly, which lists 487 tools including this one:
claude mcp add --transport http hj-elevenlabs-api https://mcp.hjlabs.in/mcp/elevenlabs-api \
--header "Authorization: Bearer YOUR_API_KEY"Try asking
Use the send an outbound message via whatsapp tool with whatsapp_phone_number_id set to ….