---
title: "Check if email exists"
method: GET
path: "/api/email-exists"
tags: ["Authentication"]
---

# Check if email exists

`GET /api/email-exists`

## Request

- Base URL: `https://api.sponsorunited.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.sponsorunited.com/api/email-exists`
- Auth: none declared
- TypeScript: <https://skmtc.dev/sponsorunited/apis/sponsorunited-api/docs/api/email-exists/get.ts> (a function with typed inputs; its response is checked against the schema)

Checks if an email address is already registered in the system.

## Query parameters

- `email` string, email, required

## Response `200`

Email existence check result

- EmailExistsResponse
  - `exists` boolean: Whether the email exists in the system

## Other responses

- `422`: Validation error

---

[API](https://skmtc.dev/sponsorunited/apis/sponsorunited-api.md) - [All operations](https://skmtc.dev/sponsorunited/apis/sponsorunited-api/llms.txt) - [OpenAPI document](https://skmtc.dev/sponsorunited/apis/sponsorunited-api/revisions/cbf1ca5bff8f?raw)