---
title: "Changes to Upsert usage records for contract obligations"
method: POST
path: "/public/v2/contracts/{contract_id}/usage/bulk-upsert/"
---

# Changes to Upsert usage records for contract obligations

`POST /public/v2/contracts/{contract_id}/usage/bulk-upsert/`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 15 revisions.

- **2026-08-12** `34b7cf5b4b6c` — 1 info

## Changes

- **2026-08-12** `34b7cf5b4b6c` — 1 info
  - added the new optional `header` request parameter `Idempotency-Key`

---

[Operation](https://skmtc.dev/dualentry/apis/dualentry-public-api/docs/public/v2/contracts/:contract_id/usage/bulk-upsert/post.md) · [API](https://skmtc.dev/dualentry/apis/dualentry-public-api.md) · [Page](https://skmtc.dev/dualentry/apis/dualentry-public-api/changes/public/v2/contracts/:contract_id/usage/bulk-upsert/post)