---
title: "POST /v1/auth/register — create a new account with email and password."
method: POST
path: "/v1/auth/register"
tags: ["auth"]
---

# POST /v1/auth/register — create a new account with email and password.

`POST /v1/auth/register`

Returns auth tokens so the user is immediately logged in.
A verification email is sent; the frontend restricts actions until verified.

## Request body

- RegisterRequest — POST /v1/auth/register
  - `display_name` string, nullable
  - `email` string, required
  - `password` string, required

## Response `200`

Registration successful

- AuthResponse — Successful auth response (login, register, refresh).
  - `access_token` string, required
  - `expires_in` integer, required — Access token TTL in seconds.
  - `refresh_token` string, required

## Other responses

- `400` — Invalid request
- `409` — Email already registered

---

[API](https://skmtc.dev/microsandbox/apis/microsandbox-api.md) · [All operations](https://skmtc.dev/microsandbox/apis/microsandbox-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/microsandbox/microsandbox-api/revisions/23f2a45cb09b/schema)