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The TypeScript SDK and docs are currently in beta. Report issues on GitHub.

Example Usage

import { AnthropicImageBlockParam } from "@openrouter/sdk/models";

let value: AnthropicImageBlockParam = {
  source: {
    data: "/9j/4AAQ...",
    mediaType: "image/jpeg",
    type: "base64",
  },
  type: "image",
};

Fields

FieldTypeRequiredDescriptionExample
cacheControlmodels.AnthropicCacheControlDirective:heavy_minus_sign:Enable automatic prompt caching. When set at the top level, the system automatically applies cache breakpoints to the last cacheable block in the request. Currently supported for Anthropic Claude models.{"type": "ephemeral"}
sourcemodels.AnthropicImageBlockParamSource:heavy_check_mark:N/A
type”image”:heavy_check_mark:N/A