---
title: "Get conversation window status for a phone number"
method: GET
path: "/v2/whatsapp/phone_numbers/{phone_number}/conversation_window"
tags: ["Whatsapp Phone Numbers"]
---

# Get conversation window status for a phone number

`GET /v2/whatsapp/phone_numbers/{phone_number}/conversation_window`

## Request

- Base URL: `https://api.telnyx.com/v2`
- URL: `https://api.telnyx.com/v2/v2/whatsapp/phone_numbers/{phone_number}/conversation_window`
- Auth: HTTP bearer

Returns whether the 24-hour conversation window is currently open for a given source/destination pair. If window_active is false, only template messages may be sent.

## Path parameters

- `phone_number` string, required

## Query parameters

- `destination_number` string, required

## Response `200`

Successful response with Whatsapp conversation window status

- object
  - `data` WhatsappConversationWindowData
    - `window_active` boolean: Whether the 24-hour conversation window is currently open
    - `window_expires_at` string, date-time, nullable: When the window closes. Null if no active window.
    - `last_user_message_at` string, date-time: Timestamp of the last inbound message that opened the window
    - `window_type` string: Window type. Currently always 24h when present.

## Other responses

- `4XX`: Unexpected error

## Changes

> 152 revisions in range; 1 not diffed.

- **2026-08-17** `1571b0380bd7`: 3 breaking
  - the response's body type changed from `object` to no type for status `4XX`
  - the `errors/items/` response's property type changed from `object` to no type for status `4XX`
  - the `errors/items/code` response's property type changed from `integer` to `string`, and format from `int32` to no format for status `4XX`
- **2026-08-04** `8f5f4e537994`: 4 breaking
  - the response's body type changed from no type to `object` for status `4XX`
  - the `errors/items/` response's property type changed from no type to `object` for status `4XX`
  - the `errors/items/code` response's property type changed from `string` to `integer`, and format from no format to `int32` for status `4XX`
  - the `errors/items/source/pointer` response's property format changed from `json-pointer` to no format for status `4XX`
- **2026-07-23** `eb02d7e7280b`: 1 breaking
  - the response property `data/window_expires_at` became nullable for the status `200`

[Operation history](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/changes/v2/whatsapp/phone_numbers/:phone_number/conversation_window/get.md)

---

[API](https://skmtc.dev/team-telnyx/apis/telnyx-api-2.md) - [All operations](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/llms.txt) - [OpenAPI document](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/revisions/f82938f53ff4?raw)