---
title: "Changes to Session Billing Usage"
method: POST
path: "/api/v1/nova/sessions/{session_id}/billing-usage"
---

# Changes to Session Billing Usage

`POST /api/v1/nova/sessions/{session_id}/billing-usage`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 13 revisions.

- **2026-09-27** `b20a3bdd6219` — 1 warning, 1 info
- **2026-09-19** `729390e1c2f0` — 1 info

## Changes

- **2026-09-27** `b20a3bdd6219` — 1 warning, 1 info
  - removed the request property `events/items/proxy_id`
  - added the new optional request property `events/items/agent_id`
- **2026-09-19** `729390e1c2f0` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/xenovia/apis/controlplane/docs/api/v1/nova/sessions/:session_id/billing-usage/post.md) · [API](https://skmtc.dev/xenovia/apis/controlplane.md) · [Page](https://skmtc.dev/xenovia/apis/controlplane/changes/api/v1/nova/sessions/:session_id/billing-usage/post)