> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-5b6e02fd.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# ObservabilityBraintrustDestinationConfig - Go SDK

> ObservabilityBraintrustDestinationConfig type definition

<Warning>
  The Go SDK and docs are currently in beta.
  Report issues on [GitHub](https://github.com/OpenRouterTeam/go-sdk/issues).
</Warning>

## Fields

| Field       | Type                 | Required             | Description                                                     |
| ----------- | -------------------- | -------------------- | --------------------------------------------------------------- |
| `APIKey`    | `string`             | :heavy\_check\_mark: | N/A                                                             |
| `BaseURL`   | `*string`            | :heavy\_minus\_sign: | N/A                                                             |
| `Headers`   | map\[string]`string` | :heavy\_minus\_sign: | Custom HTTP headers to include in requests to this destination. |
| `ProjectID` | `string`             | :heavy\_check\_mark: | N/A                                                             |