How to Build a Simple AI-Powered Chatbot in 90 Minutes

In 2026, the idea of building an AI-powered chatbot may sound daunting, especially if you’re not a coding expert. But here’s the truth: you can create a functional chatbot in just 90 minutes, even without writing a single line of code. Whether you’re an indie hacker, a solo founder, or someone tinkering with side projects, this guide will walk you through the process with practical steps and tools that actually work.

Prerequisites: What You Need Before You Start

Before diving in, make sure you have the following:

• A computer with internet access.
• Basic understanding of chatbot concepts (you don’t need to be a pro).
• Accounts on the tools mentioned below (we’ll list them as we go).

Step 1: Choose Your No-Code Chatbot Builder

There are several no-code chatbot builders available. Here’s a quick comparison to help you decide:

| Tool | Pricing | Best For | Limitations | Our Take | |---------------------|--------------------------|----------------------------|------------------------------------|------------------------------------| | Chatfuel | Free for basic, $15/mo for pro | Simple bots for Facebook Messenger | Limited integrations | We use this for quick prototypes. | | ManyChat | Free tier + $10/mo pro | Marketing automation | Can get pricey with advanced features | We don’t use it due to costs. | | Tars | $49/mo, no free tier | Lead generation | No free tier | We like the design flexibility. | | Landbot | Free for basic, $30/mo for pro | Conversational landing pages | Limited functionality on free tier | We recommend it for landing pages. | | Dialogflow | Free tier + $20/mo for pro | Advanced customization | Steeper learning curve | We don’t use it for simple bots. | | Flow XO | Free for basic, $19/mo for pro | Multi-channel bots | Limited capabilities in free tier | Good for multi-channel strategies. |

Step 2: Define Your Chatbot’s Purpose

Before building, clarify what you want your chatbot to do. Is it for customer support, lead generation, or just a fun interaction? A clear purpose will guide your design and conversation flow.

Example Use Cases:

• Customer support: Answer FAQs and provide information.
• Lead generation: Collect user information and qualify leads.
• Feedback collection: Ask users for their opinions on products/services.

Step 3: Build Your Chatbot

Let’s walk through the process using Chatfuel, one of the most user-friendly tools:

1. Sign Up/Log In: Create an account on Chatfuel.
2. Create a New Bot: Choose “Create from scratch.”
3. Define Your Blocks: Blocks are conversation steps. Create blocks for greetings, FAQs, and closing.
4. Set Up AI Rules: Train your bot with keywords and responses. For instance, if a user types "Help", the bot can respond with "How can I assist you today?"
5. Test Your Bot: Use the preview feature to interact with your bot and ensure it behaves as expected.

Step 4: Integrate with Messaging Platforms

Once your bot is built, you’ll need to integrate it with a messaging platform like Facebook Messenger or WhatsApp. Most no-code tools have straightforward integration options.

• For Chatfuel: Click on “Connect to Messenger” and follow the prompts to link your Facebook page.

Troubleshooting: What Could Go Wrong

1. Bot Not Responding: Check your AI rules and ensure you’ve set up the right keywords.
2. User Experience Issues: Test the bot with friends or colleagues to gather feedback.
3. Integration Problems: Double-check the connection settings on the messaging platform.

What’s Next: Iterate and Improve

After launching your chatbot, gather user feedback and analytics to see how it performs. Tools like Google Analytics or built-in analytics from your chatbot platform can help track user interactions.

Iteration Ideas:

• Add more blocks for common questions.
• Refine AI rules based on user inputs.
• Experiment with different conversation flows.

Conclusion: Start Here

Building a simple AI-powered chatbot in 90 minutes is not just possible; it’s a valuable skill for any indie hacker or solo founder. Start with a clear purpose, choose the right no-code tool, and iterate based on user feedback.

If you’re looking to dive deeper into product building and tools that can help you along the way, check out our podcast, Built This Week, where we share our experiences and insights from building in public.