---
title: "Changes to Update client state"
method: PUT
path: "/calls/{call_control_id}/actions/client_state_update"
---

# Changes to Update client state

`PUT /calls/{call_control_id}/actions/client_state_update`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 61 revisions.

- **2026-08-17** `1571b0380bd7` — 3 breaking
- **2026-08-04** `8f5f4e537994` — 4 breaking

## Changes

- **2026-08-17** `1571b0380bd7` — 3 breaking
  - the response's body type changed from `object` to no type for status `default`
  - the `errors/items/` response's property type changed from `object` to no type for status `default`
  - the `errors/items/code` response's property type changed from `integer` to `string`, and format from `int32` to `integer` for status `default`
- **2026-08-04** `8f5f4e537994` — 4 breaking
  - the response's body type changed from no type to `object` for status `default`
  - the `errors/items/` response's property type changed from no type to `object` for status `default`
  - the `errors/items/code` response's property type changed from `string` to `integer`, and format from `integer` to `int32` for status `default`
  - the `errors/items/source/pointer` response's property format changed from `json-pointer` to no format for status `default`

---

[Operation](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/docs/calls/:call_control_id/actions/client_state_update/put.md) · [API](https://skmtc.dev/team-telnyx/apis/telnyx-api-2.md) · [Page](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/changes/calls/:call_control_id/actions/client_state_update/put)