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

# Get Lexi Conversation

> Retrieve a single Lexi conversation with its full message history

## Request

### Path Parameters

<ParamField path="id" type="string" required>
  Conversation UUID returned by `GET /v1/lexi/conversations`.
</ParamField>

### Query Parameters

<ParamField query="include_tool_steps" type="boolean" default="false">
  When `true`, includes the intermediate tool-invocation records alongside user and assistant messages.
</ParamField>

<ParamField query="limit" type="integer" default="200">
  Maximum number of messages to return (most recent first). Maximum 1000.
</ParamField>

### Headers

```
Authorization: Bearer wbk_your_api_key_here
```

## Response

<ResponseField name="data" type="object">
  <Expandable title="properties">
    <ResponseField name="id" type="string">Conversation UUID</ResponseField>
    <ResponseField name="title" type="string">Conversation title</ResponseField>
    <ResponseField name="context" type="object">Entity context: `contact_id`, `deal_id`, `matter_id`, `page`</ResponseField>
    <ResponseField name="archived" type="boolean">Archive state</ResponseField>
    <ResponseField name="created_at" type="string">ISO 8601 creation timestamp</ResponseField>

    <ResponseField name="messages" type="array">
      <Expandable title="Message object">
        <ResponseField name="id" type="string">Message UUID</ResponseField>
        <ResponseField name="role" type="string">`user`, `assistant`, or `tool`</ResponseField>
        <ResponseField name="content" type="string">Message text</ResponseField>
        <ResponseField name="tool_calls" type="array">For assistant messages: invoked tools with arguments</ResponseField>
        <ResponseField name="tool_name" type="string">For tool messages: name of the tool</ResponseField>
        <ResponseField name="tool_output" type="object">For tool messages: serialized tool output</ResponseField>
        <ResponseField name="created_at" type="string">ISO 8601 timestamp</ResponseField>
      </Expandable>
    </ResponseField>
  </Expandable>
</ResponseField>

Responses include `X-RateLimit-Limit`, `X-RateLimit-Remaining`, `X-RateLimit-Reset`, and `X-Request-ID`.

<CodeGroup>
  ```bash cURL theme={null}
  curl https://data.leadlex.com/functions/v1/api-gateway/v1/lexi/conversations/conv_01HY1 \
    -H "Authorization: Bearer wbk_your_api_key_here"
  ```

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

  API_KEY = "wbk_your_api_key_here"
  conv_id = "conv_01HY1"

  r = requests.get(
      f"https://data.leadlex.com/functions/v1/api-gateway/v1/lexi/conversations/{conv_id}",
      headers={"Authorization": f"Bearer {API_KEY}"},
  )
  convo = r.json()["data"]
  print(convo["title"], "messages:", len(convo["messages"]))
  ```

  ```javascript JavaScript theme={null}
  const id = 'conv_01HY1';
  const res = await fetch(
    `https://data.leadlex.com/functions/v1/api-gateway/v1/lexi/conversations/${id}`,
    { headers: { Authorization: 'Bearer wbk_your_api_key_here' } },
  );
  const { data } = await res.json();
  console.log(data.messages.length);
  ```
</CodeGroup>

### Example Response

```json theme={null}
{
  "data": {
    "id": "conv_01HY1",
    "title": "Series B research for Acme Corp",
    "context": { "contact_id": "123e4567-e89b-12d3-a456-426614174000" },
    "archived": false,
    "created_at": "2026-04-15T09:00:00Z",
    "messages": [
      {
        "id": "msg_001",
        "role": "user",
        "content": "What do we know about Acme's Series B?",
        "created_at": "2026-04-15T09:00:00Z"
      },
      {
        "id": "msg_002",
        "role": "assistant",
        "content": "Acme raised EUR 40m in March 2026 led by a European fund...",
        "tool_calls": [],
        "created_at": "2026-04-15T09:00:05Z"
      }
    ]
  }
}
```

## Errors

| Status | Code                       | Description                  |
| ------ | -------------------------- | ---------------------------- |
| 401    | `invalid_key`              | Invalid or expired API key   |
| 403    | `insufficient_permissions` | Missing `read:ai` permission |
| 404    | `not_found`                | Conversation not found       |
| 429    | `rate_limited`             | Rate limit exceeded          |