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

# Update Agent Endpoint

### Description

Updates the configuration of an existing agent.

### Endpoint

**PUT** `/v3/agents/{agent_id}`

### Authentication

* Requires an API key (`x-api-key`) in the request headers.

### Path Parameters

| Parameter  | Type   | Description                               |
| ---------- | ------ | ----------------------------------------- |
| `agent_id` | string | Unique identifier of the agent to update. |

### Request Body (JSON)

```json theme={null}
{
  "name": "string",
  "system_prompt": "string",
  "description": "string",
  "features": [
    {
      "type": "string",
      "config": {},
      "priority": 0
    }
  ],
  "tools": ["string"],
  "llm_credential_id": "string",
  "provider_id": "string",
  "model": "string",
  "top_p": 0,
  "temperature": 0,
  "response_format": {}
}
```

### Request Example (cURL)

```sh theme={null}
curl -X PUT "https://agent-prod.studio.lyzr.ai/v3/agents/{agent_id}" ^
-H "accept: application/json" ^
-H "content-type: application/json" ^
-H "x-api-key: sk-default-REPLACED-API-KEY" ^
-d "{\"name\":\"string\",\"system_prompt\":\"string\",\"description\":\"string\",\"features\":[{\"type\":\"string\",\"config\":{},\"priority\":0}],\"tools\":[\"string\"],\"llm_credential_id\":\"string\",\"provider_id\":\"string\",\"model\":\"string\",\"top_p\":0,\"temperature\":0,\"response_format\":{}}"
```

### Response Example

```json theme={null}
{
  "message": "Agent updated successfully."
}
```

***