> ## Documentation Index
> Fetch the complete documentation index at: https://narev.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# TraceCostRequest

[**@ai-billing/narev**](../index)

***

[@ai-billing/narev](/docs/sdk/ai-billing/reference/narev/typedoc/index) / TraceCostRequest

# Interface: TraceCostRequest

Defined in: packages/types/dist/index.d.ts:254

Request body for POST /v1/traces/cost.

## Properties

### model\_id

> **model\_id**: `string`

Defined in: packages/types/dist/index.d.ts:255

***

### provider\_id

> **provider\_id**: `string`

Defined in: packages/types/dist/index.d.ts:256

***

### usage

> **usage**: [`TraceCostUsage`](/docs/sdk/ai-billing/reference/narev/typedoc/interfaces/TraceCostUsage)

Defined in: packages/types/dist/index.d.ts:257