---
title: "Get usage breakdown"
method: GET
path: "/payment/v1/credits/usage/breakdown"
tags: ["Billing"]
---

# Get usage breakdown

`GET /payment/v1/credits/usage/breakdown`

Total credits spent so far, split across the three product scopes.
The window is a cumulative snapshot from **2026-03-02T00:00:00Z**
(the platform's usage-tracking start date) up to the current
instant. Served from ClickHouse. No query parameters.

## Response `200`

Spend split by scope.

- BillingUsageBreakdownResponse
  - `success` boolean, required
  - `data` object, required
    - `platform` number, required — Credits spent on Atoms platform features (phone rental, telephony minutes, etc.).
    - `voiceAi` number, required — Credits spent on voice-agent runtime (LLM + TTS combined during voice calls).
    - `voiceModels` number, required — Credits spent on standalone Waves model calls (Lightning TTS, Pulse STT, Electron LLM used outside the voice-agent pipeline).

## Other responses

- `401` — Unauthorized access

## Changes

- **2026-07-28** `ecc1b4776164` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/smallest-inc/apis/agent-management-api/changes/payment/v1/credits/usage/breakdown/get.md)

---

[API](https://skmtc.dev/smallest-inc/apis/agent-management-api.md) · [All operations](https://skmtc.dev/smallest-inc/apis/agent-management-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/smallest-inc/agent-management-api/revisions/fed4f750ea02/schema)