# Send a message to an agent

POST https://app.credal.ai/api/v1/agents/sendMessage
Content-Type: application/json

Sends a message to a deployed agent and returns a job ID that can be used to poll for the response. Requires the `api:agent:message:*` scope.

Reference: https://docs.credal.ai/api-reference/v-1/api-reference/agents/send-message

## Authentication

- `Authorization` header (bearer token, required) — Bearer authentication of the form `Bearer <token>`, where token is your auth token.

## Request

### Body (application/json)

This endpoint expects an object.

- `agentId` (string, required)
- `conversation` (AgentsSendMessagePostRequestBodyContentApplicationJsonSchemaConversation, required)
- `message` (string, required)

## Response

### 200

Message sent successfully

- `jobId` (string, required)

## Errors

### 400 Bad Request Error

Invalid request

- `any`

### 401 Unauthorized Error

Unauthorized

- `any`

### 403 Forbidden Error

Forbidden

- `any`

### 500 Internal Server Error

Internal server error

- `any`

## Types

### AgentsSendMessagePostRequestBodyContentApplicationJsonSchemaConversation

### AgentsSendMessagePostRequestBodyContentApplicationJsonSchemaConversation0

- `type` (enum, required)
  - Allowed values: `new`
- `dataInputVariableSelections` (map from string to list of string, optional, nullable)

### AgentsSendMessagePostRequestBodyContentApplicationJsonSchemaConversation1

- `type` (enum, required)
  - Allowed values: `existing`
- `conversationId` (string, required)

## Examples

**Request**

```json
{
  "agentId": "cc3fd192-ea62-11f0-99fd-03d6b2458fff",
  "conversation": {
    "type": "new",
    "dataInputVariableSelections": {}
  },
  "message": "What documents do we have about Q4 planning?"
}
```

**Response**

```json
{
  "jobId": "d5e9c84f-c2b2-4bf4-b4b0-7ffd7a9ffc32"
}
```

**SDK Code**

```typescript
import { CredalClient } from "@credal/sdk";

async function main() {
    const client = new CredalClient({
        token: "YOUR_TOKEN_HERE",
    });
    await client.agents.sendMessage({
        agentId: "cc3fd192-ea62-11f0-99fd-03d6b2458fff",
        conversation: {
            type: "new",
            dataInputVariableSelections: {},
        },
        message: "What documents do we have about Q4 planning?",
    });
}
main();

```

```python
from credal import CredalV1
from credal.agents import SendMessageAgentsRequestConversation_New

client = CredalV1(
    token="YOUR_TOKEN_HERE",
)

client.agents.send_message(
    agent_id="cc3fd192-ea62-11f0-99fd-03d6b2458fff",
    conversation=SendMessageAgentsRequestConversation_New(
        data_input_variable_selections={},
    ),
    message="What documents do we have about Q4 planning?",
)

```

## Related pages

- [Credal | Documentation](../index.md)
- [Overview](./api-reference-v-0-overview.md)
- [Docs](../guides.md)
- [Introduction](./getting-started-introduction.md)
- [API Reference](./api-reference-index.md)
- [Service Accounts](./api-reference-v-0-service-accounts.md)
- [Quickstart](./getting-started-quickstart.md)
- [Overview](./api-reference-v-1-overview.md)
- [Overview](./getting-started-tutorials-common-first-agents-employee-onboarding-assistant-overview.md)
- [OAuth Setup](./api-reference-v-1-o-auth-setup.md)

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