---
title: "Record Kugelturn Usage"
method: POST
path: "/v1/license/kugelturn/usage"
tags: ["license"]
---

# Record Kugelturn Usage

`POST /v1/license/kugelturn/usage`

Acknowledge a replay-safe usage snapshot and refresh the paid grant.

## Headers

- `X-API-Key` string, required

## Request body

- KugelTurnUsageRequest
  - `schema_version` integer, required
  - `activation_id` string, required
  - `instance_id` string, required
  - `model_id` string, required
  - `artifact_version` string, required
  - `sequence` integer, required
  - `cumulative_calls` integer, required
  - `cumulative_audio_ms` integer, required
  - `cumulative_context_chars` integer, required
  - `reported_at_ms` integer, required
  - `signature` string, required

## Response `200`

Successful Response

- KugelTurnUsageResponse
  - `acknowledged_sequence` integer, required
  - `duplicate` boolean, required
  - `delta_calls` integer, required
  - `delta_audio_ms` integer, required
  - `delta_context_chars` integer, required
  - `authorized_calls` integer, required
  - `authorized_audio_ms` integer, required
  - `offline_token` string, required
  - `grant_expires_at_ms` integer, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/kugelaudio/apis/kugelaudio-tts-api.md) · [All operations](https://skmtc.net/kugelaudio/apis/kugelaudio-tts-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/kugelaudio/kugelaudio-tts-api/revisions/9ecca94b0377/schema)