> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-7021d5f4.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# BadRequestResponseError - Go SDK

> BadRequestResponseError type definition

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

Bad Request - Invalid request parameters or malformed input

## Fields

| Field                | Type                                                                                                       | Required             | Description                       | Example                                                 |
| -------------------- | ---------------------------------------------------------------------------------------------------------- | -------------------- | --------------------------------- | ------------------------------------------------------- |
| `Error`              | [components.BadRequestResponseErrorData](/client-sdks/go/api-reference/models/badrequestresponseerrordata) | :heavy\_check\_mark: | Error data for BadRequestResponse | `{"code": 400,"message": "Invalid request parameters"}` |
| `OpenrouterMetadata` | map\[string]`any`                                                                                          | :heavy\_minus\_sign: | N/A                               |                                                         |
| `UserID`             | `*string`                                                                                                  | :heavy\_minus\_sign: | N/A                               |                                                         |