SDK Python

pip3 install anthropic
# or, for OpenAI-style code:
pip3 install openai

# In a venv (recommended):
# python3 -m venv .venv && source .venv/bin/activate
# pip install anthropic openai

import os
from anthropic import Anthropic

client = Anthropic(
    api_key=os.environ["API_AI_KEY"],
    base_url="https://api-ai.fr",
)

resp = client.messages.create(
    model="claude-sonnet-5-5",
    max_tokens=1024,
    messages=[{"role": "user", "content": "Say hi."}],
)
print(resp.content[0].text)

from openai import OpenAI

client = OpenAI(
    api_key=os.environ["API_AI_KEY"],
    base_url="https://api-ai.fr/v1",
)

resp = client.chat.completions.create(
    model="claude-sonnet-5-5",
    messages=[{"role": "user", "content": "Say hi."}],
)
print(resp.choices[0].message.content)

import asyncio
from anthropic import AsyncAnthropic

async def main():
    client = AsyncAnthropic(base_url="https://api-ai.fr")
    resp = await client.messages.create(
        model="claude-sonnet-5-5",
        max_tokens=512,
        messages=[{"role": "user", "content": "Hi async."}],
    )
    print(resp.content[0].text)

asyncio.run(main())

with client.messages.stream(
    model="claude-sonnet-5-5",
    max_tokens=512,
    messages=[{"role": "user", "content": "Tell me a haiku."}],
) as stream:
    for chunk in stream.text_stream:
        print(chunk, end="", flush=True)

tools = [{
    "name": "get_weather",
    "description": "Get current weather for a city.",
    "input_schema": {
        "type": "object",
        "properties": {"city": {"type": "string"}},
        "required": ["city"],
    },
}]

resp = client.messages.create(
    model="claude-sonnet-5-5",
    max_tokens=1024,
    tools=tools,
    messages=[{"role": "user", "content": "What's the weather in Paris?"}],
)
# resp.stop_reason == "tool_use"
# Inspect resp.content for tool_use blocks.

from anthropic import APIStatusError
from tenacity import retry, stop_after_attempt, wait_exponential

@retry(
    stop=stop_after_attempt(3),
    wait=wait_exponential(multiplier=0.5, min=0.5, max=4),
    retry_error_cls=APIStatusError,
)
def call():
    return client.messages.create(
        model="claude-sonnet-5-5",
        max_tokens=512,
        messages=[{"role": "user", "content": "Hi."}],
    )