OnlyFans API

Want an OnlyFans API?
You may not need to build one.

Developers search for an OnlyFans API to read messages, track fans and send replies from their own software. Most creators and agencies want something simpler: fans answered quickly, in their voice, while they get on with the work. OnlyTool does that job, with no code and no integration to maintain.

Try it freeSee how it works
No subscription, seat fee or setup cost · OnlyTool takes a share of the sales the AI makes
app.onlytool.ai · Chats AI on
still up? 👀
Fan · 02:14
always for you, just got out of the shower 😏 what are you up to this late
AI, in her voice · 02:14
couldn't sleep.. show me what i missed today
Fan · 02:16
you missed a lot. this is from the balcony this afternoon, nobody else has seen it 🙈1 video · 0:42Unlock for $18
AI, in her voice · 02:17
Telegram alert

A top fan asked for a custom video. The AI quoted your price and is waiting for you.

You answer from your phone. Everything else keeps running.

First, the facts about the OnlyFans API

OnlyFans does not publish an official public API. There are no developer docs, no API keys issued by the platform and no officially supported third-party integrations. Companies that sell an OnlyFans API run unofficial services, and they say so themselves. That matters for three reasons.

It can change

An unofficial route works until the platform changes how it behaves. Then everything built on it stops, usually without warning.

It carries platform risk

Check OnlyFans' current terms on automation and account access before connecting any tool to an account you depend on.

It is more work than it looks

Reading and sending messages is the easy part. Writing replies that sound like a person, remembering each fan and knowing when to pass a chat to a human is the hard part.

What an API gives you, and what it doesn't

An API moves data and triggers actions. It is the plumbing. Someone still has to build everything that runs on top of it.

An API can

  • Read messages and fan lists
  • Report earnings and stats
  • Send a message you have already written
  • Notify you of new activity

An API can't

  • Decide what to say
  • Learn your writing style
  • Remember each fan's history
  • Judge when to offer paid content

What OnlyTool does instead

OnlyTool is the finished product. You connect the account, and it takes care of the conversations.

Replies in your voice

It reads your vault and your past conversations to learn how you write, so there are no scripts or long questionnaires to fill in first.

Remembers every fan

Long-term memory for each fan, so a conversation picks up where it left off instead of starting cold.

Selling flows you control

You set the media, the words and the pricing for the selling flows. The AI follows your rules, never its own.

Stays in your control

Blacklist fans you do not want to deal with, and get instant Telegram alerts for the chats that matter, so you step in only when it counts.

Performance in one place

A live dashboard shows how conversations turn into sales, per creator and per fan.

Works in more than one language

Fans write in their language; the AI answers in it. Same voice, every language.

See the full list on the features page

API or OnlyTool: which fits?

Many agencies do not want to maintain software. They want results. That is the case for a ready-made tool.

If you want toChoose
Build your own software from scratchAn API route, unofficial, with the risks above
Have fans answered around the clock, in your voiceOnlyTool AI
Add AI chatting without a developerOnlyTool AI
Keep a person in the loop for important chatsOnlyTool AI, with alerts and blacklisting
Own every line of logicAn API route

Getting started

Start small. Use the free trial, check that the replies sound like you, and expand once you are happy.

  1. 1

    Create your account

    Sign up free with an email and a password. No card, no call.

  2. 2

    Connect the OnlyFans account

    Add the creator and sign in to OnlyFans inside OnlyTool, with the code OnlyFans sends. Read the privacy policy and OnlyFans' current terms first.

  3. 3

    Let it learn the voice

    OnlyTool reads the vault and the past chats. Facts, voice and what she looks like come from there, nothing to type in.

  4. 4

    Set the flows and rules

    Selling flows, price limits, languages, the fans to leave alone, who gets a Telegram alert.

  5. 5

    Switch it on, watch the dashboard

    Start small, check that the replies sound like you, then let it run.

Keep your account safe

Any tool that connects to your account carries some risk, because there is no official integration. Before you connect anything:

  • Read the platform's current terms.
  • Read the tool's privacy policy.
  • Ask exactly what the tool can see and do.
  • Know how to pause or disconnect.
  • Use a strong, unique password and two-factor authentication.
PricingNo subscription.

OnlyTool is commission based. No seat fee, no setup cost. It takes a percentage of the sales the AI generates, so a quiet month costs nothing.

See the current details

Comparing options?

These are written from OnlyTool's perspective, so compare other sources as well.

FAQ

Skip the build. Start with replies that sound like you.

Create a free account, connect the OnlyFans account, and let the AI learn the voice from what is already there. No code, no keys, nothing to maintain.

Try OnlyTool freeSee the features