Документация CloseRouter API

export CLOSEROUTER_API_KEY="closerouter_your_key"

curl https://api.closerouter.dev/v1/chat/completions \
  -H "Authorization: Bearer $CLOSEROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5.4-mini",
    "messages": [
      { "role": "user", "content": "Reply with exactly: ok" }
    ],
    "max_tokens": 16
  }'

import OpenAI from 'openai';

const client = new OpenAI({
  apiKey: process.env.CLOSEROUTER_API_KEY,
  baseURL: 'https://api.closerouter.dev/v1',
});

const completion = await client.chat.completions.create({
  model: 'openai/gpt-5.4-mini',
  messages: [{ role: 'user', content: 'Reply with exactly: ok' }],
  max_tokens: 16,
});

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