API Integration

Integrate Anthropic: Claude 3.7 Sonnet (thinking) into your applications using the following code snippets.

Python (OpenAI)

from openai import OpenAI

client = OpenAI(
    base_url="https://openrouter.ai/api/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="anthropic/claude-3.7-sonnet:thinking",
    messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

JavaScript (OpenAI)

import OpenAI from "openai";

const openai = new OpenAI({
  baseURL: "https://openrouter.ai/api/v1",
  apiKey: "YOUR_API_KEY",
});

const completion = await openai.chat.completions.create({
  model: "anthropic/claude-3.7-sonnet:thinking",
  messages: [{ role: "user", content: "Hello!" }],
});

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

cURL

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "anthropic/claude-3.7-sonnet:thinking",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

OpenRouter: Anthropic: Claude 3.7 Sonnet (thinking)

API Integration