OpenAI GPT API ガイド

export FUSIONPOINTAI_API_KEY="YOUR_CUSTOMER_API_KEY"

model_id = "gpt-6.1-sol"
# Use this exact identifier with either protocol.

response = client.messages.create(
    model="gpt-6.1-sol",
    max_tokens=512,
    system="Answer in clear, concise German.",
    messages=[
        {"role": "user", "content": "What is an API?"},
        {"role": "assistant", "content": "An API lets software exchange requests and responses."},
        {"role": "user", "content": "Give a practical example."},
    ],
)
for block in response.content:
    if block.type == "text":
        print(block.text)

import json

# JSON is generated content, not trusted application input.
response = client.messages.create(
    model="gpt-6.1-sol", max_tokens=256,
    messages=[{"role": "user", "content": 'Return only JSON with a string field named "summary". Explain an API in one sentence.'}],
)
text = "".join(block.text for block in response.content if block.type == "text")
try:
    result = json.loads(text)
    if not isinstance(result, dict) or not isinstance(result.get("summary"), str):
        raise ValueError("Unexpected response schema")
    print(result["summary"])
except (json.JSONDecodeError, ValueError) as error:
    print("Handle invalid model output:", error)

# client is the Anthropic client configured above.
with client.messages.stream(
    model="gpt-6.1-sol", max_tokens=512,
    messages=[{"role": "user", "content": "Explain API authentication."}],
) as stream:
    for text in stream.text_stream:
        print(text, end="", flush=True)
    final_message = stream.get_final_message()
print("\nStop reason:", final_message.stop_reason)

import json
from datetime import datetime, timezone
from anthropic import APIError

messages = [{"role": "user", "content": "What time is it in UTC?"}]
tools = [{
    "name": "current_utc_time", "description": "Read the current UTC time.",
    "input_schema": {"type": "object", "properties": {}, "additionalProperties": False},
}]
try:
    reply = client.messages.create(model="gpt-6.1-sol", max_tokens=256, messages=messages, tools=tools)
    results = []
    for block in reply.content:
        if block.type == "tool_use":
            if block.name != "current_utc_time" or block.input != {}:
                raise ValueError("Unapproved tool request")
            results.append({"type": "tool_result", "tool_use_id": block.id,
                            "content": json.dumps({"utc": datetime.now(timezone.utc).isoformat()})})
    if results:
        messages.append({"role": "assistant", "content": reply.content})
        messages.append({"role": "user", "content": results})
        reply = client.messages.create(model="gpt-6.1-sol", max_tokens=256, messages=messages, tools=tools)
    print("".join(block.text for block in reply.content if block.type == "text"))
except APIError as error:
    # Log status only; never log keys or private prompts.
    print("API request failed:", getattr(error, "status_code", None))