---
title: "Get Usage By Category"
method: GET
path: "/api/billing/usage/by-category"
tags: ["billing", "billing"]
---

# Get Usage By Category

`GET /api/billing/usage/by-category`

## Request

- Base URL: `https://api.dialogbrain.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.dialogbrain.com/api/billing/usage/by-category`
- Auth: none declared

AI usage breakdown by category for the last N days.

## Query parameters

- `days` integer

## Response `200`

Successful Response

- CategoryUsageItem[]
  - `category` string, required
  - `actions` integer, required
  - `cost_usd` number, required
  - `percent` number, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/dialogbrain/apis/dialogbrain-v2-api-gateway.md) · [All operations](https://skmtc.dev/dialogbrain/apis/dialogbrain-v2-api-gateway/llms.txt) · [OpenAPI document](https://skmtc.dev/dialogbrain/apis/dialogbrain-v2-api-gateway/revisions/77bef09a9209?raw)