LaoZhang API 接続ガイド：APIキーの作成からリクエスト送信まで

export LAOZHANG_API_KEY="YOUR_LAOZHANG_API_KEY"

curl --fail-with-body --max-time 120 \
  "https://api.laozhang.ai/v1/chat/completions" \
  -H "Authorization: Bearer $LAOZHANG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.4-mini",
    "messages": [{"role": "user", "content": "「connected」とだけ返信してください"}]
  }'

 client = OpenAI(
-    api_key=os.environ["OPENAI_API_KEY"],
+    api_key=os.environ["LAOZHANG_API_KEY"],
+    base_url="https://api.laozhang.ai/v1",
 )

export OPENAI_API_KEY="$LAOZHANG_API_KEY"
export OPENAI_BASE_URL="https://api.laozhang.ai/v1"

curl --fail-with-body --max-time 360 \
  "https://api.laozhang.ai/v1/images/generations" \
  -H "Authorization: Bearer $LAOZHANG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-image-2.5-flare-vip",
    "prompt": "白いテーブルの上に置かれた青い陶器のカップ。やわらかな自然光、商品写真。"
  }' \
  -o generation.json

curl --fail-with-body --max-time 360 \
  "https://api.laozhang.ai/v1/images/edits" \
  -H "Authorization: Bearer $LAOZHANG_API_KEY" \
  -F "model=gpt-image-2.5-sunburst-vip" \
  -F "image[]=@input.png" \
  -F 'prompt=背景を淡い青に変更してください。被写体はそのままにしてください。' \
  -o edit.json

import base64
import json
import re
import sys
import urllib.request
from pathlib import Path

source = Path(sys.argv[1])
response = json.loads(source.read_text())
items = response.get("data") or []
if not items:
    sys.exit(f"{source} に画像が含まれていません: {response}")

for index, item in enumerate(items, start=1):
    if item.get("b64_json"):
        # data:image/...;base64, のプレフィックスを取り除き、不足している = を補う
        encoded = re.sub(r"^data:[^,]*,", "", item["b64_json"].strip())
        raw = base64.b64decode(encoded + "=" * (-len(encoded) % 4))
    elif item.get("url"):
        # URLからのダウンロードにはAPIキーを付けない
        with urllib.request.urlopen(item["url"], timeout=120) as download:
            raw = download.read()
    else:
        continue
    if raw.startswith(b"\x89PNG"):
        extension = "png"
    elif raw.startswith(b"\xff\xd8"):
        extension = "jpg"
    elif raw[:4] == b"RIFF" and raw[8:12] == b"WEBP":
        extension = "webp"
    else:
        extension = "bin"
    output = source.with_name(f"{source.stem}-{index}.{extension}")
    output.write_bytes(raw)
    print(f"保存しました: {output}")

python save_images.py generation.json
python save_images.py edit.json

curl --fail-with-body --max-time 120 \
  "https://api.laozhang.ai/v1beta/models/gemini-3.8-flash:generateContent" \
  -H "Authorization: Bearer $LAOZHANG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "contents": [{
      "role": "user",
      "parts": [{"text": "「connected」とだけ返信してください"}]
    }]
  }'

curl --fail-with-body --max-time 120 \
  "https://api.laozhang.ai/v1/messages" \
  -H "Authorization: Bearer $LAOZHANG_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -H "content-type: application/json" \
  -d '{
    "model": "glm-5.2",
    "max_tokens": 1024,
    "messages": [{"role": "user", "content": "「connected」とだけ返信してください"}]
  }'