Node.js SDK

npm install openai

import OpenAI from 'openai';
 
const client = new OpenAI({
  apiKey: 'sk-...',
  baseURL: 'https://sovereigneg.com/v1',
});

export OPENAI_API_KEY=sk-...
export OPENAI_BASE_URL=https://sovereigneg.com/v1

const client = new OpenAI(); // reads from env vars

const response = await client.chat.completions.create({
  model: '...',
  messages: [
    { role: 'system', content: 'You are a helpful assistant.' },
    { role: 'user', content: 'Hello from Node.js!' }
  ],
  temperature: 0.7,
  max_tokens: 256,
});
 
console.log(response.choices[0].message.content);

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

// app/api/chat/route.ts
import OpenAI from 'openai';
 
const client = new OpenAI({
  apiKey: process.env.OPENAI_API_KEY,
  baseURL: 'https://sovereigneg.com/v1',
});
 
export async function POST(req: Request) {
  const { messages } = await req.json();
 
  const stream = await client.chat.completions.create({
    model: '...',
    messages,
    stream: true,
  });
 
  const encoder = new TextEncoder();
  const readable = new ReadableStream({
    async start(controller) {
      for await (const chunk of stream) {
        const content = chunk.choices[0]?.delta?.content || '';
        controller.enqueue(encoder.encode(content));
      }
      controller.close();
    },
  });
 
  return new Response(readable, {
    headers: { 'Content-Type': 'text/plain; charset=utf-8' },
  });
}

try {
  const response = await client.chat.completions.create({...});
} catch (error) {
  if (error instanceof OpenAI.AuthenticationError) {
    console.error('Invalid API key');
  } else if (error instanceof OpenAI.RateLimitError) {
    console.error('Rate limited, retry later');
  } else if (error instanceof OpenAI.APIError) {
    console.error(`API error: ${error.message}`);
  }
}

import OpenAI from 'openai';
import type { ChatCompletionMessageParam } from 'openai/resources';
 
const messages: ChatCompletionMessageParam[] = [
  { role: 'system', content: 'You are helpful.' },
  { role: 'user', content: 'Hello!' },
];