---
title: "Start Authentication"
method: POST
path: "/api/authenticate"
tags: ["Connect OnlyFans Account"]
---

# Start Authentication

`POST /api/authenticate`

Start the authentication process for a new account. Our systems will bypass Captcha and also ask you for 2FA code if required. All credentials are stored securely using bcrypt and only used during login.

## Request body

- object
  - `email` string, required — The email address of the OnlyFans account
  - `password` string, required — The password of the OnlyFans account
  - `proxyCountry` 'us' | 'uk' | 'de' | 'es' | 'fr' | 'it' | 'ua' | 'pl' | 'ro' | 'cz' | 'hu' | 'sk', required — The country of the proxy server you want to use. Eg. "us" for United States

## Response `200`

- object
  - `attempt_id` string
  - `message` string
  - `polling_url` string

---

[API](https://skmtc.dev/onlyfansapi/apis/onlyfans-api.md) · [All operations](https://skmtc.dev/onlyfansapi/apis/onlyfans-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/onlyfansapi/onlyfans-api/revisions/03f828c1cf0d/schema)