---
title: "Changes to AT Communication"
method: POST
path: "/api/v3/accounts/at_communication.json"
---

# Changes to AT Communication

`POST /api/v3/accounts/at_communication.json`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 3 revisions.

- **2026-08-25** `5b82d4eb0d9f` — 3 breaking, 4 warning

## Changes

- **2026-08-25** `5b82d4eb0d9f` — 3 breaking, 4 warning
  - the `errors` response's property type/format changed from `object`/`` to `array`/`` for status `401`
  - the `errors` response's property type/format changed from `object`/`` to `array`/`` for status `422`
  - the `success` response's property type/format changed from `string`/`` to `boolean`/`` for status `200`
  - the `at_communication/at_password` request property's maxLength was set to `255`
  - the `at_communication/at_subuser` request property's maxLength was set to `255`
  - removed the optional property `errors/error` from the response with the `401` status
  - removed the optional property `errors/error` from the response with the `422` status

---

[Operation](https://skmtc.dev/invoicexpress/apis/invoicexpress-api/docs/api/v3/accounts/at_communication.json/post.md) · [API](https://skmtc.dev/invoicexpress/apis/invoicexpress-api.md) · [Page](https://skmtc.dev/invoicexpress/apis/invoicexpress-api/changes/api/v3/accounts/at_communication.json/post)