---
title: "ObservabilityBraintrustDestinationConfig"
---

## Fields

| Field                                                           | Type                                                            | Required                                                        | Description                                                     |
| --------------------------------------------------------------- | --------------------------------------------------------------- | --------------------------------------------------------------- | --------------------------------------------------------------- |
| `api_key`                                                       | *str*                                                           | :heavy_check_mark:                                              | N/A                                                             |
| `base_url`                                                      | *Optional[str]*                                                 | :heavy_minus_sign:                                              | N/A                                                             |
| `headers`                                                       | Dict[str, *str*]                                                | :heavy_minus_sign:                                              | Custom HTTP headers to include in requests to this destination. |
| `project_id`                                                    | *str*                                                           | :heavy_check_mark:                                              | N/A                                                             |