> ## 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.

# AnthropicBase64ImageSource - Go SDK

> AnthropicBase64ImageSource 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 | Example    |
| ----------- | ---------------------------------------------------------------------------------------------------------------- | -------------------- | ----------- | ---------- |
| `Data`      | `string`                                                                                                         | :heavy\_check\_mark: | N/A         |            |
| `MediaType` | [components.AnthropicImageMimeType](/client-sdks/go/api-reference/models/anthropicimagemimetype)                 | :heavy\_check\_mark: | N/A         | image/jpeg |
| `Type`      | [components.AnthropicBase64ImageSourceType](/client-sdks/go/api-reference/models/anthropicbase64imagesourcetype) | :heavy\_check\_mark: | N/A         |            |