> ## Documentation Index
> Fetch the complete documentation index at: https://deepline.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Lemlist: Send Whatsapp Message

> Send a WhatsApp message to a contact through the Lemlist inbox. Includes SDK V2 guidance, input constraints, response fields, and Deepline credit cost.

Send a WhatsApp message to a contact through the Lemlist inbox.

> [!NOTE]
>
> Tool ID: `lemlist_send_whatsapp_message`

## Run this action

Use the TypeScript SDK for one call. Use `ctx.tools.execute(...)` inside a Play for durable calls, scheduled calls, or CSV processing.

```ts theme={"languages":{"custom":["/languages/deepline-prompt.json"]}}
import { Deepline } from 'deepline';

const deepline = await Deepline.connect();
const result = await deepline.tools.execute(
  'lemlist_send_whatsapp_message',
  {
    "send_user_id": "send_user_123",
    "send_user_whatsapp_account_id": "123456789",
    "contact_id": "contact_123",
    "lead_id": "lead_123",
    "message": "Example message"
  },
);

console.log(result.toolResponse.raw);
```

### CLI

```bash theme={"languages":{"custom":["/languages/deepline-prompt.json"]}}
deepline tools execute lemlist_send_whatsapp_message --input '{
  "send_user_id": "send_user_123",
  "send_user_whatsapp_account_id": "123456789",
  "contact_id": "contact_123",
  "lead_id": "lead_123",
  "message": "Example message"
}' --json
```

## Example response

The static output schema lacks the details for a reliable example. Use `deepline describe lemlist_send_whatsapp_message --json` for the complete live contract.

## Input reference

Send WhatsApp message via inbox endpoint.

| Name | Type | Required | Default | Details |
| - | - | - | - | - |
| `payload.send_user_id` | `string` | Yes | — | Minimum length: 1. |
| `payload.send_user_whatsapp_account_id` | `string` | Yes | — | Minimum length: 1. |
| `payload.contact_id` | `string` | Yes | — | Minimum length: 1. |
| `payload.lead_id` | `string` | Yes | — | Minimum length: 1. |
| `payload.message` | `string` | Yes | — | Minimum length: 1. |

<details>
  <summary>Show raw input schema</summary>

  ### Input JSON Schema

  ```json theme={"languages":{"custom":["/languages/deepline-prompt.json"]}}
  {
    "type": "object",
    "description": "Send WhatsApp message via inbox endpoint.",
    "properties": {
      "send_user_id": {
        "type": "string",
        "minLength": 1
      },
      "send_user_whatsapp_account_id": {
        "type": "string",
        "minLength": 1
      },
      "contact_id": {
        "type": "string",
        "minLength": 1
      },
      "lead_id": {
        "type": "string",
        "minLength": 1
      },
      "message": {
        "type": "string",
        "minLength": 1,
        "allowsTemplatePlaceholders": true
      }
    },
    "required": [
      "send_user_id",
      "send_user_whatsapp_account_id",
      "contact_id",
      "lead_id",
      "message"
    ],
    "additionalProperties": false
  }
  ```
</details>

## Output reference

Standard tool result payload.

| Name | Type | Required | Default | Details |
| - | - | - | - | - |
| `result.data` | `unknown` | Yes | — | Provider response payload. |
| `result.meta` | `object` | No | — | Additional response metadata (status, paging). |

<details>
  <summary>Show raw output schema</summary>

  ### Output JSON Schema

  ```json theme={"languages":{"custom":["/languages/deepline-prompt.json"]}}
  {
    "type": "object",
    "description": "Standard tool result payload.",
    "properties": {
      "data": {
        "description": "Provider response payload."
      },
      "meta": {
        "type": "object",
        "description": "Additional response metadata (status, paging).",
        "additionalProperties": true
      }
    },
    "required": [
      "data"
    ],
    "additionalProperties": false
  }
  ```
</details>

## Deepline cost

* Pricing model: `fixed` (per call).
* Estimated Deepline credits: `0` per pricing unit.
* Provider-native pricing may still exist outside Deepline credit billing.

## Related documentation

* [Lemlist provider guide](https://deepline.com/docs/providers/lemlist/guide.md)
* [SDK V2 quickstart](https://deepline.com/docs/sdk-v2/quickstart.md)
* [SDK reference](https://deepline.com/docs/sdk-v2/sdk-reference.md)
* [Run tools across a CSV](https://deepline.com/docs/sdk-v2/batch-csv.md)


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