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The Big Picture

OFAuth is infrastructure for OnlyFans integrations—like Plaid for banking, but for OnlyFans. We handle authentication, session management, and API complexity so you can focus on building your product. You focus on your product. OFAuth handles OnlyFans.

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Why OFAuth Exists

OnlyFans has no public API. Building integrations requires:
  • Reverse engineering authentication flows, request signing, and session management
  • Constant maintenance as OnlyFans changes their API (sometimes multiple times per day)
  • Security liability from handling user credentials
OFAuth solves this:
Teams report spending 3-6 months building OnlyFans integrations in-house. With OFAuth, you’re live in days.

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Core Concepts

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Connections

A Connection represents a linked OnlyFans account. When a user authenticates through OFAuth, you receive a Connection ID that you use to access their data.

What You Store

Just the Connection ID (e.g., conn_abc123)—a simple string in your database

What OFAuth Handles

Sessions, credentials, expiration, re-authentication—all the complexity
Think of a Connection ID like an access token—it represents permission to act on behalf of a user.
The Link API handles user authentication. It’s how OnlyFans users connect their accounts to your platform.
1

Create a Link session

Your backend calls OFAuth to get an authentication URL
2

User authenticates

They log into OnlyFans on a secure OFAuth-hosted page
3

Receive a Connection

OFAuth redirects back with a Connection ID you can use
Link is similar to OAuth—users see a branded consent flow, enter their credentials on a trusted page, and your app receives a token (the Connection ID) to use.
You never see or handle OnlyFans passwords. Authentication happens entirely on OFAuth’s secure pages.

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Access API

The Access API lets you make OnlyFans API requests using a Connection ID. It handles request signing, proxy routing, and session management so you don’t have to build that infrastructure.
Two ways to use it:
Most integrations use Managed Endpoints. The Proxy gives you access to any OnlyFans API path with signing and session management handled.

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Dynamic Rules (Advanced)

OnlyFans requires cryptographically signed requests. These signing rules change frequently—sometimes multiple times per day.
Most users don’t need Dynamic Rules. If you’re using the Access API or SDK, signing is automatic. Dynamic Rules are only for advanced use cases where you call OnlyFans APIs directly.

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The Complete Flow

Here’s how a typical OFAuth integration works:
  1. Link creates the connection (one-time per user)
  2. Access fetches data using that connection (ongoing)

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Glossary

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Next Steps

2-Minute Quickstart

See this in action with working code

Security Model

How we protect credentials and data