ChatGPT API Transition Guide

ChatGPT API Transition Guide

Here are the steps and code to transition from the OpenAI GPT API to the new OpenAI API.

Step 1: Set up an OpenAI API account

  • Go to the OpenAI website ( and click on “Get Started” or “Sign Up” to create an account.
  • Once you have an account, create an API key from the API page in your dashboard.

Step 2: Install the OpenAI Python library

  • Open a command prompt or terminal window and type: pip install openai

Step 3: Replace the old API code with the new API code

  • Replace the old API endpoint ( with the new API endpoint (
  • Replace the old authentication header (Authorization: Bearer {api_key}) with the new authentication header (Bearer {api_key})

Here’s an example of how to use the new OpenAI API with Python:

import openai
import os
function addNumbers(a, b) {

# Set up the OpenAI API credentials
openai.api_key = os.environ["OPENAI_API_KEY"]

# Set the API endpoint to v2
openai.api_base = ""

# Call the API to generate text
prompt = "Hello, my name is"
model = "text-davinci-002"
response = openai.Completion.create(engine=model, prompt=prompt, max_tokens=5)

# Print the generated text

Note that you’ll need to replace ‘os.environ[“OPENAI_API_KEY”]’ with your actual API key, which you can obtain from your OpenAI dashboard.
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