This is a step-by-step demo of OpenAI's function calling feature using Python. It walks you through building a simple crypto trading assistant that analyzes RSI (Relative Strength Index) using real-time OHLC data from Binance. This code is part of the blog post: This code is part of the blog post: Build a Crypto Bot Using OpenAI Function Calling

• Uses OpenAI's latest chat completions API with tool_calls
• Fetches live OHLC data from Binance
• Calculates RSI using pandas-ta
• Returns structured JSON responses
• Explains how function calling works internally with tool_calls and response linking

• Python 3.8+
• openai>=1.2.0
• pandas
• pandas-ta
• requests

Install with:

pip install openai pandas pandas-ta requests