---
title: "Changes to Register an email-backed Expo account"
method: POST
path: "/v2/auth/register"
---

# Changes to Register an email-backed Expo account

`POST /v2/auth/register`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 3 revisions.

- **2026-09-09** `9ec0debedfc6`: 5 breaking, 2 warning, 8 info

## Changes

- **2026-09-09** `9ec0debedfc6`: 5 breaking, 2 warning, 8 info
  - the request property `device_id` became required
  - the request property `device_name` became required
  - the request property `email` became required
  - the request property `password` became required
  - the request property `username` became required
  - added the new `payload_too_large` enum value to the `code` response property for the response status `409`
  - added the new `unprocessable_entity` enum value to the `code` response property for the response status `409`
  - api operation id `expoAuthRegister` was added
  - removed the non-success response with the status `400`
  - removed the non-success response with the status `500`
  - the response property `code` became required for the status `409`
  - the response property `details/items/field` became required for the status `409`
  - the response property `details/items/message` became required for the status `409`
  - the response property `message` became required for the status `200`
  - the response property `message` became required for the status `409`

---

[Operation](https://skmtc.dev/clashk/apis/clashking-api/docs/v2/auth/register/post.md) - [API](https://skmtc.dev/clashk/apis/clashking-api.md) - [Page](https://skmtc.dev/clashk/apis/clashking-api/changes/v2/auth/register/post)