Node.js SDK

import OpenAI from 'openai';

const apiKey = process.env.YOURMODEL_API_KEY;

if (!apiKey) {
  throw new Error('YOURMODEL_API_KEY is not set');
}

const client = new OpenAI({
  apiKey,
  baseURL: 'https://y-models.com/v1',
});

const response = await client.chat.completions.create({
  model: 'YOUR_MODEL_ID',
  messages: [
    {
      role: 'user',
      content: 'Hello',
    },
  ],
});

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