---
title: "Changes to Release a phone"
method: POST
path: "/phones/{phone_id}:deallocate"
---

# Changes to Release a phone

`POST /phones/{phone_id}:deallocate`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 24 revisions.

- **2026-11-01** `80de09d0e643`: 1 breaking, 1 info
- **2026-10-23** `49b1da5a7974`: 4 info
- **2026-08-17** `e2261ff54e62`: 1 info

## Changes

- **2026-11-01** `80de09d0e643`: 1 breaking, 1 info
  - removed the required property `workflow_id` from the response with the `200` status
  - added the optional property `agent_id` to the response with the `200` status
- **2026-10-23** `49b1da5a7974`: 4 info
  - added optional request body
  - added the non-success response with the status `400`
  - added the non-success response with the status `422`
  - added the non-success response with the status `500`
- **2026-08-17** `e2261ff54e62`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/axilioai/apis/axilio-api/docs/phones/:phone_id:deallocate/post.md) - [API](https://skmtc.dev/axilioai/apis/axilio-api.md) - [Page](https://skmtc.dev/axilioai/apis/axilio-api/changes/phones/:phone_id:deallocate/post)