How to connect to GPT-4 API with Node.js using PowerShell

npm install axios

const axios = require("axios");

// Replace with your real API key
const apiKey = "sk-";

const openai = axios.create({
  baseURL: "https://api.openai.com/v1",
  headers: {
    "Content-Type": "application/json",
    "Authorization": `Bearer ${apiKey}`,
  },
});

async function generateChatCompletion(messages, options = {}) {
  try {
    const response = await openai.post("/chat/completions", {
      model: options.model || "gpt-4",
      messages,
      ...options,
    });

    return response.data.choices;
  } catch (error) {
    console.error("An error occurred while creating the chat completion: ", error);
  }
}

async function executeMain() {
  const messages = [
    { role: "system", content: "You are a helpful SEO assistant." },
    { role: "user", content: "Tell me about Core Web Vitals." },
  ];

  const options = {
    temperature: 0.8,
    max_tokens: 4000,
  };

  const choices = await generateChatCompletion(messages, options);

  console.log("User: ", messages[messages.length - 1].content);
  console.log("Assistant: ", choices[0].message.content);
}

executeMain();