OpenAI Node.js SDK

npm install openai

Before

import OpenAI from 'openai';
const client = new OpenAI({ apiKey: 'sk-...' });

After

import OpenAI from 'openai';
const client = new OpenAI({
  baseURL: 'https://gateway.autraceai.com/v1',
  apiKey: 'aut_live_YOUR_KEY',
});

Full example

import OpenAI from 'openai';

const client = new OpenAI({
  baseURL: 'https://gateway.autraceai.com/v1',
  apiKey: process.env.AUTRACE_KEY,
});

const response = await client.chat.completions.create({
  model: 'openai/gpt-5.5',
  messages: [{ role: 'user', content: 'Hello!' }],
});

console.log(response.choices[0].message.content);

Streaming

const stream = await client.chat.completions.stream({
  model: 'openai/gpt-5.5',
  messages: [{ role: 'user', content: 'Write a haiku.' }],
});
for await (const chunk of stream) {
  process.stdout.write(chunk.choices[0]?.delta?.content ?? '');
}