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

# Send message

> Send an outbound WhatsApp text or rich media message inside a conversation ticket

Dispatch an outbound message to a customer over WhatsApp within an active ticket. Supports plain text, rich media (images, documents, audio voice notes, videos), and quoted reply contexts.

***

### Authentication

This endpoint requires Bearer token authentication.

```http theme={null}
Authorization: Bearer <token>
```

| Header          | Type     | Required | Description                                     | Format           |
| :-------------- | :------- | :------- | :---------------------------------------------- | :--------------- |
| `Authorization` | `string` | **Yes**  | Scoped organization API key or Bearer JWT token | `Bearer <token>` |

***

### Path Parameters

<ParamField header="Authorization" type="string" required>
  Bearer token for authentication. Format: `Bearer <token>`.
</ParamField>

<ParamField path="inbox_id" type="string" required>
  Unique UUID identifier of the inbox ticket.
</ParamField>

***

### Request Body

<ParamField body="body" type="string">
  Text body or caption for media attachments. Required if `message_type` is `text`.
</ParamField>

<ParamField body="message_type" type="string" default="text">
  Message type category: `text`, `image`, `document`, `audio`, or `video`.
</ParamField>

<ParamField body="media_url" type="string">
  Storage path or public URL of the media file (obtained from `POST /api/v1/inbox/upload`). Required for media message types.
</ParamField>

<ParamField body="media_filename" type="string">
  Custom filename for document/media attachments (e.g. `Invoice_90412.pdf`).
</ParamField>

<ParamField body="media_mime_type" type="string">
  MIME type of the media file (e.g. `application/pdf`, `image/jpeg`).
</ParamField>

<ParamField body="context_message_id" type="string">
  Optional `wamid` of an incoming message to reply to in quoted context.
</ParamField>

***

### Response Fields

<ResponseField name="id" type="string">
  UUID of the created message record.
</ResponseField>

<ResponseField name="inbox_id" type="string">
  UUID of the ticket.
</ResponseField>

<ResponseField name="whatsapp_message_id" type="string">
  Meta WhatsApp message identifier (`wamid...`).
</ResponseField>

<ResponseField name="direction" type="string">
  Will be `outbound`.
</ResponseField>

<ResponseField name="message_type" type="string">
  Dispatched message type.
</ResponseField>

<ResponseField name="body" type="string">
  Text content or caption.
</ResponseField>

<ResponseField name="status" type="string">
  Initial delivery status (`sent`).
</ResponseField>

<ResponseField name="created_at" type="string">
  ISO 8601 creation timestamp.
</ResponseField>

***

<RequestExample>
  ```bash cURL Text Message theme={null}
  curl -X POST "https://api.sayvy.ai/api/v1/inbox/messages/e4f3a2b1-9c8d-7e6f-5a4b-3c2d1e0f9a8b" \
    -H "Authorization: Bearer <token>" \
    -H "Content-Type: application/json" \
    -d '{
      "body": "Hello Sarah, your enterprise demonstration has been confirmed!",
      "message_type": "text"
    }'
  ```

  ```bash cURL Media Attachment theme={null}
  curl -X POST "https://api.sayvy.ai/api/v1/inbox/messages/e4f3a2b1-9c8d-7e6f-5a4b-3c2d1e0f9a8b" \
    -H "Authorization: Bearer <token>" \
    -H "Content-Type: application/json" \
    -d '{
      "body": "Here is the architectural overview document for your review.",
      "message_type": "document",
      "media_url": "inbox-media/temp/e0b973dc-13a8-4c9f-861a-03e5b4b1a8d9/whitepaper.pdf",
      "media_filename": "Sayvy_Overview.pdf",
      "media_mime_type": "application/pdf"
    }'
  ```

  ```python Python theme={null}
  import requests

  url = "https://api.sayvy.ai/api/v1/inbox/messages/e4f3a2b1-9c8d-7e6f-5a4b-3c2d1e0f9a8b"
  headers = {
      "Authorization": "Bearer <token>",
      "Content-Type": "application/json"
  }
  payload = {
      "body": "Hello Sarah, your enterprise demonstration has been confirmed!",
      "message_type": "text"
  }

  response = requests.post(url, headers=headers, json=payload)
  print(response.status_code)
  print(response.json())
  ```

  ```javascript JavaScript theme={null}
  const response = await fetch("https://api.sayvy.ai/api/v1/inbox/messages/e4f3a2b1-9c8d-7e6f-5a4b-3c2d1e0f9a8b", {
    method: "POST",
    headers: {
      "Authorization": "Bearer <token>",
      "Content-Type": "application/json"
    },
    body: JSON.stringify({
      body: "Hello Sarah, your enterprise demonstration has been confirmed!",
      message_type: "text"
    })
  });

  const data = await response.json();
  console.log(data);
  ```
</RequestExample>

<ResponseExample>
  ```json 200 OK theme={null}
  {
    "id": "2b3c4d5e-6f7a-8b9c-0d1e-2f3a4b5c6d7e",
    "inbox_id": "e4f3a2b1-9c8d-7e6f-5a4b-3c2d1e0f9a8b",
    "organization_id": "e0b973dc-13a8-4c9f-861a-03e5b4b1a8d9",
    "contact_id": "8a7c2b3d-4e5f-6a7b-8c9d-0e1f2a3b4c5d",
    "whatsapp_message_id": "wamid.HBgLMTE4OTAwOTk5MTE1FQIAERgSRjQ1Q0IzOTk3RTYwRTczMzNDBB==",
    "direction": "outbound",
    "message_type": "text",
    "body": "Hello Sarah, your enterprise demonstration has been confirmed!",
    "status": "sent",
    "media_url": null,
    "media_mime_type": null,
    "media_filename": null,
    "context_message_id": null,
    "reactions": null,
    "created_at": "2026-09-07T15:32:00Z",
    "updated_at": "2026-09-07T15:32:00Z"
  }
  ```

  ```json 400 Bad Request theme={null}
  {
    "detail": "Valid organization_id header is required"
  }
  ```
</ResponseExample>