Using the Anthropic SDK

pip install anthropic

npm install @anthropic-ai/sdk

import os
import anthropic

client = anthropic.Anthropic(
    base_url="https://open.tutujin.com",
    api_key=os.environ["TUTUJIN_API_KEY"],
)

import Anthropic from '@anthropic-ai/sdk'

const client = new Anthropic({
  baseURL: 'https://open.tutujin.com',
  apiKey: process.env.TUTUJIN_API_KEY,
})

export ANTHROPIC_BASE_URL="https://open.tutujin.com"
export ANTHROPIC_API_KEY="sk-your-key"

message = client.messages.create(
    model="claude-sonnet-5-5",
    max_tokens=1024,
    system="You are a careful contract review assistant.",
    messages=[
        {"role": "user", "content": "List the 5 most common risky clauses in a purchase contract."},
    ],
)
print(message.content[0].text)
print(message.usage)  # input_tokens / output_tokens

const message = await client.messages.create({
  model: 'claude-sonnet-5-5',
  max_tokens: 1024,
  system: 'You are a careful contract review assistant.',
  messages: [{ role: 'user', content: 'List the 5 most common risky clauses in a purchase contract.' }],
})
console.log(message.content[0].type === 'text' ? message.content[0].text : message.content[0])
console.log(message.usage) // input_tokens / output_tokens

with client.messages.stream(
    model="claude-sonnet-5-5",
    max_tokens=1024,
    messages=[{"role": "user", "content": "Write a 150-word company profile"}],
) as stream:
    for text in stream.text_stream:
        print(text, end="", flush=True)
    final = stream.get_final_message()
print("\n", final.usage)

const stream = client.messages.stream({
  model: 'claude-sonnet-5-5',
  max_tokens: 1024,
  messages: [{ role: 'user', content: 'Write a 150-word company profile' }],
})
stream.on('text', (text) => process.stdout.write(text))
const final = await stream.finalMessage()
console.log('\n', final.usage)

curl https://open.tutujin.com/v1/messages \
  -H "x-api-key: $TUTUJIN_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-sonnet-5-5",
    "max_tokens": 1024,
    "messages": [{"role": "user", "content": "Hello"}]
  }'