AI Side Hustles
AI Agencies & ServicesSource date: December 18, 2025Last reviewed October 19, 2026

A chatbot pioneer rebuilt itself as an AI booking assistant for clinics and reports about $1 million ARR

Fedor Pak says the AI-native product removes 70% of manual communication for medical and wellness practices.

Subject: Chatfuel Clinic Suite (Fedor Pak)AI-native booking and messaging platform for small clinics

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A monitor showing an automation workflow diagram on a tidy desk

Case Overview & Background

Fedor Pak joined Chatfuel in October 2022, a month before ChatGPT launched, and saw its original chatbot product become outdated. From late 2022 through 2025 the team rebuilt it as an AI-native platform that automates scheduling, reminders and messaging across social networks and WhatsApp for clinics and private practitioners. He says the new product brings in about $1M ARR.

How AI Is Used

AI handles scheduling, reminders, triage and follow-ups, trained on insight from 1.5 billion past conversations, with a human kept in the loop.

Step-by-Step Process

Step 01Accept the shift

Generative AI made the old product outdated.

Step 02Interview customers

Hundreds of interviews with real businesses.

Step 03Pick a vertical

Focused on clinics and wellness practices.

Customer Acquisition & Distribution

Testing with real businesses and the company's existing base.

Limitations, Risks & Failure Modes

What may not apply to you, and what could go wrong:

  • Self-reported
  • Built on an established company's assets
  • Health settings need careful privacy handling

Key Takeaways

  • Vertical focus beats a general chatbot
  • Old data can power a new AI product
  • Keep a human in the loop

Sources

Interview SiteDecember 18, 2025

Starter Story: How My AI Chatbot Brings in $1M ARR

Note: Written founder interview.

Open Source
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Case ID: cs-a-chatbot-pioneer-rebuilt-itself-as-an-ai-booking-assistant-for-clinic
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