---
title: "Changes to Update an Agent Variable"
method: PATCH
path: "/v1/projects/{project_id}/agent-variables/{variable_id}"
---

# Changes to Update an Agent Variable

`PATCH /v1/projects/{project_id}/agent-variables/{variable_id}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 5 of 17 revisions.

- **2026-09-17** `72b02abc4a37`: 1 warning, 1 info
- **2026-09-12** `a18297c3e375`: 1 info
- **2026-08-15** `76f89c68dacf`: 2 info
- **2026-08-12** `c761ed1f371e`: 2 info
- **2026-08-06** `bd7ba5c18a6b`: 2 info

## Changes

- **2026-09-17** `72b02abc4a37`: 1 warning, 1 info
  - deleted the `header` request parameter `Authorization`
  - the endpoint scheme security `ApiKeyAuth` was added to the API
- **2026-09-12** `a18297c3e375`: 1 info
  - api operation id `update` removed and replaced with `variables_update`
- **2026-08-15** `76f89c68dacf`: 2 info
  - api tag `variables` added
  - api tag `voiceAgent > variables` removed
- **2026-08-12** `c761ed1f371e`: 2 info
  - api tag `voiceAgent > variables` added
  - api tag `variables` removed
- **2026-08-06** `bd7ba5c18a6b`: 2 info
  - api tag `variables` added
  - api tag `voiceAgent > variables` removed

---

[Operation](https://skmtc.dev/deepgram/apis/rest-api/docs/v1/projects/:project_id/agent-variables/:variable_id/patch.md) - [API](https://skmtc.dev/deepgram/apis/rest-api.md) - [Page](https://skmtc.dev/deepgram/apis/rest-api/changes/v1/projects/:project_id/agent-variables/:variable_id/patch)