Authentication Guide

// Set API key
const apiKey = process.env.API_KEY;

// Send authenticated request
const response = await fetch('https://api.example.com/v1/chat', {
  headers: {
    'Authorization': 'Bearer ' + apiKey,
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    model: 'gpt-4o',
    messages: [...]
  })
});