---
title: "Changes to Register User"
method: POST
path: "/api/user/register"
---

# Changes to Register User

`POST /api/user/register`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 34 revisions.

- **2025-12-25** `aa4b06f8dede` — 1 breaking, 3 warning, 3 info
- **2025-10-28** `849d5e8732f6` — 3 breaking, 7 warning, 4 info
- **2025-10-10** `ba5ad76fe6cd` — 1 breaking

## Changes

- **2025-12-25** `aa4b06f8dede` — 1 breaking, 3 warning, 3 info
  - added the new required request property `signing_key`
  - removed the request property `last_name`
  - removed the request property `name`
  - removed the request property `public_key`
  - added the new optional request property `family_name`
  - added the new optional request property `given_name`
  - added the new optional request property `picture`
- **2025-10-28** `849d5e8732f6` — 3 breaking, 7 warning, 4 info
  - added the new required request property `public_key`
  - added the new required request property `verification_credential`
  - the response's body type/format changed from `object`/`` to ``/`` for status `200`
  - removed the request property `password`
  - removed the request property `verification_code`
  - removed the optional property `email` from the response with the `200` status
  - removed the optional property `external_id` from the response with the `200` status
  - removed the optional property `last_name` from the response with the `200` status
  - removed the optional property `name` from the response with the `200` status
  - removed the optional property `public_key` from the response with the `200` status
  - the request property `last_name` became optional
  - the request property `name` became optional
  - request property `last_name` list-of-types was widened by adding types `null` to media type `application/json`
  - request property `name` list-of-types was widened by adding types `null` to media type `application/json`
- **2025-10-10** `ba5ad76fe6cd` — 1 breaking
  - added the new required request property `verification_code`

---

[Operation](https://skmtc.dev/arbicity/apis/arbi/docs/api/user/register/post.md) · [API](https://skmtc.dev/arbicity/apis/arbi.md) · [Page](https://skmtc.dev/arbicity/apis/arbi/changes/api/user/register/post)