AI

Building AI Chatbots with Bubble.io and OpenAI

BM
Brian Mutuku
December 5, 2025
19 min read
#AI#Bubble.io#Chatbots
Building AI Chatbots with Bubble.io and OpenAI

AI chatbots are everywhere. Let's build one that actually works, using Bubble.io and OpenAI.

What We're Building

A fully functional AI chatbot that: - Understands natural language - Remembers conversation context - Provides helpful responses - Handles errors gracefully

Setting Up OpenAI

  1. Create an OpenAI account
  2. Generate an API key
  3. Choose your model:

Bubble API Configuration

Set up the API Connector:

API Name: OpenAI

Authentication: Bearer Token (your API key)

Headers:

Endpoint: POST https://api.openai.com/v1/chat/completions

Database Structure

Create tables for:

Conversations:

Messages:

The Chat Interface

Design a clean UI: - Message history (repeating group) - Input field - Send button - Loading indicator

Sending Messages

When the user sends a message:

  1. Save message to database
  2. Fetch conversation history
  3. Call OpenAI API
  4. Save assistant response
  5. Display in chat

System Prompts

The system prompt defines behavior:

"You are a helpful assistant for a real estate website. You help users find properties, answer questions about listings, and provide market insights. Be friendly, professional, and concise."

Conversation Memory

Include previous messages in API calls: - Limit to last 10-20 messages - Summarize older context - Stay within token limits

Error Handling

Plan for failures: - API rate limits - Network errors - Invalid responses - Timeout handling

Advanced Features

Streaming Responses - Show text as it generates

Function Calling - Let AI trigger actions

Memory Persistence - Remember user preferences

Multi-Modal - Handle images and files

Cost Management

Control API costs: - Set usage limits - Use GPT-3.5 for simple queries - Cache common responses - Monitor usage dashboard

Testing

Test thoroughly: - Edge cases - Long conversations - Unexpected inputs - Error scenarios

Deployment

Before going live: - Secure your API key - Implement rate limiting - Add content moderation - Monitor conversations

Build your AI chatbot with confidence. The future of customer interaction is here.

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