LLM Router documentation

curl https://llm-router.org/v1/messages \
  -H "Authorization: Bearer YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-sonnet-4.6",
    "max_tokens": 1024,
    "messages": [
      {"role": "user", "content": "Привет!"}
    ]
  }'

curl https://llm-router.org/v1/messages \
  -H "Authorization: Bearer YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-sonnet-4.6",
    "max_tokens": 1024,
    "stream": true,
    "messages": [
      {"role": "user", "content": "Напиши план запуска продукта"}
    ]
  }'

curl https://llm-router.org/v1/messages \
  -H "Authorization: Bearer YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-sonnet-4.6",
    "max_tokens": 1024,
    "system": "Ты помощник для разработчиков. Отвечай кратко и по делу.",
    "messages": [
      {"role": "user", "content": "Что такое JWT?"}
    ]
  }'

{
  "id": "msg_01XFDUDYJgAACzvnptvVoYEL",
  "type": "message",
  "role": "assistant",
  "content": [
    {
      "type": "text",
      "text": "Привет! Чем могу помочь?"
    }
  ],
  "model": "claude-sonnet-4.6",
  "stop_reason": "end_turn",
  "usage": {
    "input_tokens": 10,
    "output_tokens": 25
  }
}

curl https://llm-router.org/v1/chat/completions \
  -H "Authorization: Bearer YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-sonnet-4.6",
    "messages": [
      {"role": "user", "content": "Привет!"}
    ]
  }'

curl https://llm-router.org/v1/chat/completions \
  -H "Authorization: Bearer YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-sonnet-4.6",
    "stream": true,
    "messages": [
      {"role": "system", "content": "Ты краткий и точный помощник."},
      {"role": "user", "content": "Что такое p99 latency?"}
    ]
  }'

{
  "id": "chatcmpl-abc123",
  "object": "chat.completion",
  "created": 1720000000,
  "model": "claude-sonnet-4.6",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "Привет! Чем могу помочь?"
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 10,
    "completion_tokens": 25,
    "total_tokens": 35
  }
}

curl https://llm-router.org/v1/models \
  -H "Authorization: Bearer YOUR_KEY"

Provider:  OpenAI Compatible
API Key:   YOUR_KEY
Base URL:  https://llm-router.org/v1
Model:     claude-sonnet-4.6

pip install openai

from openai import OpenAI
import os

client = OpenAI(
    api_key=os.environ["LLM_ROUTER_API_KEY"],  # YOUR_KEY
    base_url="https://llm-router.org/v1",
)

response = client.chat.completions.create(
    model="claude-sonnet-4.6",
    messages=[{"role": "user", "content": "Привет!"}],
)
print(response.choices[0].message.content)

with client.chat.completions.stream(
    model="claude-sonnet-4.6",
    messages=[{"role": "user", "content": "Объясни TCP/IP"}],
) as stream:
    for text in stream.text_stream:
        print(text, end="", flush=True)

npm install openai

import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.LLM_ROUTER_API_KEY, // YOUR_KEY
  baseURL: "https://llm-router.org/v1",
});

const response = await client.chat.completions.create({
  model: "claude-sonnet-4.6",
  messages: [{ role: "user", content: "Привет!" }],
});
console.log(response.choices[0].message.content);

const stream = await client.chat.completions.stream({
  model: "claude-sonnet-4.6",
  messages: [{ role: "user", content: "Объясни TCP/IP" }],
});
for await (const chunk of stream) {
  process.stdout.write(chunk.choices[0]?.delta?.content ?? "");
}