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@ai-billing/openrouter
@ai-billing/openrouter / createOpenRouterV3Middleware

Function: createOpenRouterV3Middleware()

createOpenRouterV3Middleware<TTags>(options): LanguageModelV3Middleware
Defined in: language-model-middleware/v3/language-model-v3-openrouter-billing-middleware.ts:71 Creates a V3 billing middleware for OpenRouter (@openrouter/ai-sdk-provider). Extracts cost and usage from openrouter provider metadata; requires numeric usage.cost.

Type Parameters

TTags

TTags extends JSONObject The shape of the tags object, extending DefaultTags.

Parameters

options

OpenRouterV3MiddlewareOptions<TTags> Shared billing options; see BaseBillingMiddlewareOptions.

Returns

LanguageModelV3Middleware A V3 billing middleware instance for OpenRouter.

Example

Same wiring as examples/dev-sandbox/app/api/openrouter (createOpenRouterMiddleware is this function’s export alias from @ai-billing/openrouter).