---
title: "Begin Sign In"
method: POST
path: "/api/py/outlook-admin-registrations/sign-ins"
tags: ["outlook-admin-registrations"]
---

# Begin Sign In

`POST /api/py/outlook-admin-registrations/sign-ins`

## Request

- Base URL: `https://api.getauctor.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.getauctor.com/api/py/outlook-admin-registrations/sign-ins`
- Auth: none declared

## Response `200`

Successful Response

- OutlookAdminAuthorization: A Microsoft URL to send the admin's browser to, and the state it carries.
  - `state` string, required
  - `authorization_url` string, required

## Other responses

- `400`: Bad Request
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not Found
- `409`: Conflict
- `500`: Internal Server Error

## Changes

- **2026-10-15** `ce22e056ca15`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/getauctor/apis/getauctor-api/changes/api/py/outlook-admin-registrations/sign-ins/post.md)

---

[API](https://skmtc.dev/getauctor/apis/getauctor-api.md) - [All operations](https://skmtc.dev/getauctor/apis/getauctor-api/llms.txt) - [OpenAPI document](https://skmtc.dev/getauctor/apis/getauctor-api/revisions/be39c59c13f6?raw)