{"id":3545,"date":"2026-10-24T11:32:52","date_gmt":"2026-10-24T02:32:52","guid":{"rendered":"https:\/\/qol-kk.com\/wp2\/?p=3545"},"modified":"2026-10-24T11:32:52","modified_gmt":"2026-10-24T02:32:52","slug":"20261018-plan084","status":"publish","type":"post","link":"https:\/\/qol-kk.com\/wp2\/blog\/2026\/10\/24\/20261018-plan084\/","title":{"rendered":"Claude API\uff08Anthropic SDK\uff09\u5165\u9580\uff1a\u6700\u521d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304b\u3089\u30c4\u30fc\u30eb\u5229\u7528\u30fb\u30d7\u30ed\u30f3\u30d7\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u307e\u3067"},"content":{"rendered":"<p>Anthropic \u306e Claude API\uff08Messages API\uff09\u3092\u3001\u516c\u5f0f SDK \u3092\u4f7f\u3063\u3066\u4e00\u901a\u308a\u89e6\u308b\u305f\u3081\u306e\u30cf\u30f3\u30ba\u30aa\u30f3\u3067\u3059\u3002\u74b0\u5883\u69cb\u7bc9\u304b\u3089\u3001\u6700\u521d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3001\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3001\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30f3\u30d7\u30c8\u3001\u30de\u30eb\u30c1\u30bf\u30fc\u30f3\u4f1a\u8a71\u3001\u30c4\u30fc\u30eb\u5229\u7528\u3001\u30d7\u30ed\u30f3\u30d7\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u307e\u3067\u3092\u9806\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002Python \u3068 TypeScript \u306e\u4e21\u65b9\u3067\u30b5\u30f3\u30d7\u30eb\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u672c\u8a18\u4e8b\u306f\u516c\u958b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u4ed5\u69d8\u306b\u57fa\u3065\u304f\u4e00\u822c\u7684\u306a\u89e3\u8aac\u3067\u3059\u3002\u6599\u91d1\u30fb\u30ec\u30fc\u30c8\u5236\u9650\u30fb\u30e2\u30c7\u30eb\u8b58\u5225\u5b50\u306f\u5909\u52d5\u3059\u308b\u305f\u3081\u3001\u672c\u756a\u5229\u7528\u306e\u524d\u306b\u5fc5\u305a\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u6700\u65b0\u5024\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u74b0\u5883<\/h2>\n<ul>\n<li>Python 3.9 \u4ee5\u4e0a \u3082\u3057\u304f\u306f Node.js 18 \u4ee5\u4e0a<\/li>\n<li>Anthropic \u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u3068 API \u30ad\u30fc<\/li>\n<li>\u516c\u5f0f SDK: <code>anthropic<\/code>\uff08Python\uff09\/ <code>@anthropic-ai\/sdk<\/code>\uff08TypeScript\uff09<\/li>\n<\/ul>\n<h3>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h3>\n<pre class=\"lang:default decode:true\">pip install anthropic\n# \u307e\u305f\u306f\nnpm install @anthropic-ai\/sdk<\/pre>\n<h3>API \u30ad\u30fc\u306e\u6271\u3044<\/h3>\n<p>API \u30ad\u30fc\u306f\u30b3\u30fc\u30c9\u306b\u76f4\u66f8\u304d\u305b\u305a\u3001\u74b0\u5883\u5909\u6570\u306b\u7f6e\u304d\u307e\u3059\u3002<code>.env<\/code> \u306f\u5fc5\u305a <code>.gitignore<\/code> \u306b\u5165\u308c\u3066\u304f\u3060\u3055\u3044\u3002SDK \u306f\u65e2\u5b9a\u3067\u74b0\u5883\u5909\u6570 <code>ANTHROPIC_API_KEY<\/code> \u3092\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">export ANTHROPIC_API_KEY=\"sk-ant-...\"<\/pre>\n<h2>1. \u6700\u521d\u306e\u30ea\u30af\u30a8\u30b9\u30c8<\/h2>\n<p>Claude API \u306e\u4e2d\u5fc3\u306f Messages API \u3067\u3059\u3002<code>messages<\/code> \u306b\u4f1a\u8a71\u5c65\u6b74\u3092\u914d\u5217\u3067\u6e21\u3057\u3001\u5fdc\u7b54\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">import anthropic\n\nclient = anthropic.Anthropic()  # \u74b0\u5883\u5909\u6570 ANTHROPIC_API_KEY \u3092\u81ea\u52d5\u3067\u8aad\u3080\n\nmessage = client.messages.create(\n    model=\"claude-sonnet-4-6\",\n    max_tokens=1024,\n    messages=[\n        {\"role\": \"user\", \"content\": \"\u3053\u3093\u306b\u3061\u306f\u3002\u3042\u306a\u305f\u306f\u4f55\u304c\u3067\u304d\u307e\u3059\u304b\uff1f\"}\n    ],\n)\n\nprint(message.content[0].text)<\/pre>\n<pre class=\"lang:default decode:true\">import Anthropic from \"@anthropic-ai\/sdk\";\n\nconst client = new Anthropic();\n\nconst message = await client.messages.create({\n  model: \"claude-sonnet-4-6\",\n  max_tokens: 1024,\n  messages: [{ role: \"user\", content: \"\u3053\u3093\u306b\u3061\u306f\u3002\u3042\u306a\u305f\u306f\u4f55\u304c\u3067\u304d\u307e\u3059\u304b\uff1f\" }],\n});\n\nconst first = message.content[0];\nif (first.type === \"text\") {\n  console.log(first.text);\n}<\/pre>\n<h3>\u3053\u3053\u3067\u62bc\u3055\u3048\u308b\u30dd\u30a4\u30f3\u30c8<\/h3>\n<ul>\n<li><code>max_tokens<\/code> \u306f\u5fc5\u9808\u3067\u3059\u3002\u3053\u308c\u306f\u751f\u6210\u3059\u308b\u5fdc\u7b54\u306e\u6700\u5927\u30c8\u30fc\u30af\u30f3\u6570\u3067\u3042\u308a\u3001\u5165\u529b\u5074\u306e\u4e0a\u9650\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<li>\u30ec\u30b9\u30dd\u30f3\u30b9\u306e <code>content<\/code> \u306f\u30d6\u30ed\u30c3\u30af\u306e\u914d\u5217\u3067\u3059\u3002\u30c6\u30ad\u30b9\u30c8\u5fdc\u7b54\u306f <code>type: \"text\"<\/code>\u3001\u30c4\u30fc\u30eb\u5229\u7528\u3067\u306f <code>type: \"tool_use\"<\/code> \u306e\u30d6\u30ed\u30c3\u30af\u304c\u6df7\u5728\u3057\u307e\u3059\u3002<\/li>\n<li><code>message.stop_reason<\/code> \u3067\u5fdc\u7b54\u306e\u7d42\u4e86\u7406\u7531\uff08<code>end_turn<\/code> \/ <code>max_tokens<\/code> \/ <code>tool_use<\/code> \u306a\u3069\uff09\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/li>\n<li><code>message.usage<\/code> \u306b\u5165\u529b\u30fb\u51fa\u529b\u30c8\u30fc\u30af\u30f3\u6570\u304c\u5165\u308a\u307e\u3059\u3002\u30b3\u30b9\u30c8\u8a08\u7b97\u3084\u30ad\u30e3\u30c3\u30b7\u30e5\u52b9\u679c\u306e\u78ba\u8a8d\u306b\u4f7f\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\u30e2\u30c7\u30eb\u306e\u9078\u3073\u65b9<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u7528\u9014<\/th>\n<th>\u50be\u5411<\/th>\n<th>\u8b58\u5225\u5b50\u306e\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6700\u9ad8\u7cbe\u5ea6\u30fb\u8907\u96d1\u306a\u63a8\u8ad6<\/td>\n<td>Opus<\/td>\n<td><code>claude-opus-4-8<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u30d0\u30e9\u30f3\u30b9\uff08\u65e5\u5e38\u306e\u4e3b\u529b\uff09<\/td>\n<td>Sonnet<\/td>\n<td><code>claude-sonnet-4-6<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u4f4e\u30ec\u30a4\u30c6\u30f3\u30b7\u30fb\u4f4e\u30b3\u30b9\u30c8<\/td>\n<td>Haiku<\/td>\n<td><code>claude-haiku-4-5<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u307e\u305a Sonnet \u3067\u8a66\u3057\u3001\u7cbe\u5ea6\u304c\u8db3\u308a\u306a\u3051\u308c\u3070 Opus\u3001\u901f\u5ea6\u3068\u30b3\u30b9\u30c8\u3092\u8a70\u3081\u305f\u3051\u308c\u3070 Haiku\u3001\u3068\u3044\u3046\u9032\u3081\u65b9\u304c\u7121\u96e3\u3067\u3059\u3002<\/p>\n<h2>2. \u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0<\/h2>\n<p>\u30c1\u30e3\u30c3\u30c8 UI \u306e\u3088\u3046\u306b\u5fdc\u7b54\u3092\u9010\u6b21\u8868\u793a\u3057\u305f\u3044\u5834\u5408\u306f\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">with client.messages.stream(\n    model=\"claude-sonnet-4-6\",\n    max_tokens=1024,\n    messages=[{\"role\": \"user\", \"content\": \"\u518d\u5e30\u306b\u3064\u3044\u30663\u884c\u3067\u8aac\u660e\u3057\u3066\"}],\n) as stream:\n    for text in stream.text_stream:\n        print(text, end=\"\", flush=True)\n\nfinal = stream.get_final_message()<\/pre>\n<pre class=\"lang:default decode:true\">const stream = client.messages.stream({\n  model: \"claude-sonnet-4-6\",\n  max_tokens: 1024,\n  messages: [{ role: \"user\", content: \"\u518d\u5e30\u306b\u3064\u3044\u30663\u884c\u3067\u8aac\u660e\u3057\u3066\" }],\n});\n\nstream.on(\"text\", (delta) =&gt; process.stdout.write(delta));\n\nconst final = await stream.finalMessage();<\/pre>\n<p><code>stream.text_stream<\/code>\uff08Python\uff09\/ <code>on(\"text\")<\/code>\uff08TypeScript\uff09\u306f\u30c6\u30ad\u30b9\u30c8\u5dee\u5206\u3060\u3051\u3092\u53d7\u3051\u53d6\u308b\u7c21\u6613\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u3059\u3002\u307e\u305a\u306f\u3053\u306e\u7c21\u6613\u7248\u3067\u5341\u5206\u3067\u3059\u3002<\/p>\n<h2>3. \u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30f3\u30d7\u30c8\u3068\u30de\u30eb\u30c1\u30bf\u30fc\u30f3\u4f1a\u8a71<\/h2>\n<p>\u5f79\u5272\u30fb\u5236\u7d04\u30fb\u51fa\u529b\u5f62\u5f0f\u306a\u3069\u306e\u6307\u793a\u306f <code>messages<\/code> \u3067\u306f\u306a\u304f\u3001\u30c8\u30c3\u30d7\u30ec\u30d9\u30eb\u306e <code>system<\/code> \u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u6e21\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">message = client.messages.create(\n    model=\"claude-sonnet-4-6\",\n    max_tokens=1024,\n    system=\"\u3042\u306a\u305f\u306f\u7c21\u6f54\u306b\u56de\u7b54\u3059\u308b\u6280\u8853\u30a2\u30b7\u30b9\u30bf\u30f3\u30c8\u3067\u3059\u3002\",\n    messages=[{\"role\": \"user\", \"content\": \"Python\u3067\u6a19\u6e96\u5165\u529b\u30921\u884c\u8aad\u3080\u65b9\u6cd5\u306f\uff1f\"}],\n)<\/pre>\n<p>\u4f1a\u8a71\u3092\u7d9a\u3051\u308b\u306b\u306f\u3001\u3053\u308c\u307e\u3067\u306e\u3084\u308a\u53d6\u308a\u3092\u3059\u3079\u3066 <code>messages<\/code> \u914d\u5217\u306b\u7a4d\u307f\u76f4\u3057\u3066\u6bce\u56de\u9001\u308a\u307e\u3059\u3002API \u5074\u306f\u72b6\u614b\u3092\u4fdd\u6301\u3057\u306a\u3044\u305f\u3081\u3001\u5c65\u6b74\u7ba1\u7406\u306f\u30a2\u30d7\u30ea\u5074\u306e\u8cac\u52d9\u3067\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">messages = [{\"role\": \"user\", \"content\": \"FizzBuzz\u3092Python\u3067\u66f8\u3044\u3066\"}]\n\nresp = client.messages.create(\n    model=\"claude-sonnet-4-6\", max_tokens=1024, messages=messages\n)\n\nmessages.append({\"role\": \"assistant\", \"content\": resp.content})  # \u30d6\u30ed\u30c3\u30af\u914d\u5217\u3092\u305d\u306e\u307e\u307e\u623b\u3059\nmessages.append({\"role\": \"user\", \"content\": \"\u305d\u308c\u3092\u95a2\u6570\u306b\u5207\u308a\u51fa\u3057\u3066\"})\n\nresp2 = client.messages.create(\n    model=\"claude-sonnet-4-6\", max_tokens=1024, messages=messages\n)\nprint(resp2.content[0].text)<\/pre>\n<p>assistant \u306e\u5fdc\u7b54\u3092\u5c65\u6b74\u306b\u623b\u3059\u3068\u304d\u306f <code>resp.content<\/code>\uff08\u30d6\u30ed\u30c3\u30af\u914d\u5217\uff09\u3092\u305d\u306e\u307e\u307e\u5165\u308c\u307e\u3059\u3002\u6587\u5b57\u5217\u306b\u6f70\u3059\u3068\u30c4\u30fc\u30eb\u5229\u7528\u306a\u3069\u306e\u60c5\u5831\u304c\u843d\u3061\u307e\u3059\u3002<\/p>\n<h2>4. \u30c4\u30fc\u30eb\u5229\u7528\uff08tool use\uff09<\/h2>\n<p>\u5916\u90e8\u51e6\u7406\u3092 Claude \u306b\u4f7f\u308f\u305b\u308b\u6a5f\u80fd\u3067\u3059\u3002\u6d41\u308c\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\u30a2\u30d7\u30ea\u304c <code>tools<\/code>\uff08\u95a2\u6570\u306e\u5b9a\u7fa9\uff09\u3092\u6dfb\u3048\u3066\u30ea\u30af\u30a8\u30b9\u30c8<\/li>\n<li>Claude \u304c <code>tool_use<\/code> \u30d6\u30ed\u30c3\u30af\u3067\u547c\u3073\u51fa\u3057\u3092\u8981\u6c42<\/li>\n<li>\u30a2\u30d7\u30ea\u304c\u5b9f\u969b\u306b\u51e6\u7406\u3092\u5b9f\u884c\u3057\u3001\u7d50\u679c\u3092 <code>tool_result<\/code> \u3068\u3057\u3066\u8fd4\u3059<\/li>\n<li>Claude \u304c\u7d50\u679c\u3092\u8e0f\u307e\u3048\u3066\u6700\u7d42\u5fdc\u7b54\u3092\u8fd4\u3059<\/li>\n<\/ol>\n<pre class=\"lang:default decode:true\">tools = [\n    {\n        \"name\": \"get_weather\",\n        \"description\": \"\u6307\u5b9a\u90fd\u5e02\u306e\u73fe\u5728\u306e\u5929\u6c17\u3092\u53d6\u5f97\u3059\u308b\",\n        \"input_schema\": {\n            \"type\": \"object\",\n            \"properties\": {\"city\": {\"type\": \"string\", \"description\": \"\u90fd\u5e02\u540d\"}},\n            \"required\": [\"city\"],\n        },\n    }\n]\n\nmessages = [{\"role\": \"user\", \"content\": \"\u6771\u4eac\u306e\u5929\u6c17\u306f\uff1f\"}]\n\nresp = client.messages.create(\n    model=\"claude-sonnet-4-6\", max_tokens=1024, tools=tools, messages=messages\n)\n\nif resp.stop_reason == \"tool_use\":\n    tool_use = next(b for b in resp.content if b.type == \"tool_use\")\n    result = {\"temperature\": 18, \"condition\": \"\u6674\u308c\"}  # \u5b9f\u51e6\u7406\u306e\u30c0\u30df\u30fc\n\n    messages.append({\"role\": \"assistant\", \"content\": resp.content})\n    messages.append({\n        \"role\": \"user\",\n        \"content\": [{\n            \"type\": \"tool_result\",\n            \"tool_use_id\": tool_use.id,\n            \"content\": str(result),\n        }],\n    })\n\n    final = client.messages.create(\n        model=\"claude-sonnet-4-6\", max_tokens=1024, tools=tools, messages=messages\n    )\n    print(final.content[0].text)<\/pre>\n<ul>\n<li><code>input_schema<\/code> \u306f JSON Schema \u3067\u3059\u3002<code>required<\/code> \u3068\u578b\u3092\u660e\u793a\u3059\u308b\u3068\u5f15\u6570\u306e\u629c\u3051\u6f0f\u308c\u304c\u6e1b\u308a\u307e\u3059\u3002<\/li>\n<li><code>tool_result<\/code> \u306e <code>tool_use_id<\/code> \u306f\u3001Claude \u304c\u8fd4\u3057\u305f <code>tool_use.id<\/code> \u3068\u4e00\u81f4\u3055\u305b\u307e\u3059\u3002<\/li>\n<li>\u8907\u6570\u30c4\u30fc\u30eb\u304c\u4e26\u5217\u306b\u8981\u6c42\u3055\u308c\u308b\u3053\u3068\u3082\u3042\u308b\u306e\u3067\u3001<code>tool_use<\/code> \u30d6\u30ed\u30c3\u30af\u306f\u30eb\u30fc\u30d7\u3067\u5168\u90e8\u51e6\u7406\u3059\u308b\u306e\u304c\u5b89\u5168\u3067\u3059\u3002<\/li>\n<\/ul>\n<h2>5. \u30d7\u30ed\u30f3\u30d7\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5<\/h2>\n<p>\u9577\u3044\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30f3\u30d7\u30c8\u3084\u5927\u304d\u306a\u53c2\u7167\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u4f7f\u3044\u56de\u3059\u5834\u5408\u3001\u30d7\u30ed\u30f3\u30d7\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u30b3\u30b9\u30c8\u3068\u30ec\u30a4\u30c6\u30f3\u30b7\u3092\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u5bfe\u8c61\u306e\u30d6\u30ed\u30c3\u30af\u306b <code>cache_control<\/code> \u3092\u4ed8\u3051\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">message = client.messages.create(\n    model=\"claude-sonnet-4-6\",\n    max_tokens=1024,\n    system=[\n        {\"type\": \"text\", \"text\": \"\u3042\u306a\u305f\u306f\u793e\u5185\u898f\u7a0b\u30a2\u30b7\u30b9\u30bf\u30f3\u30c8\u3067\u3059\u3002\"},\n        {\"type\": \"text\", \"text\": LARGE_DOCUMENT, \"cache_control\": {\"type\": \"ephemeral\"}},\n    ],\n    messages=[{\"role\": \"user\", \"content\": \"\u6709\u7d66\u306e\u7e70\u8d8a\u30eb\u30fc\u30eb\u306f\uff1f\"}],\n)\n\nprint(message.usage)  # cache_creation \/ cache_read \u3092\u78ba\u8a8d<\/pre>\n<ul>\n<li>\u5909\u5316\u3057\u306a\u3044\u5927\u304d\u306a\u90e8\u5206\u3092\u524d\u306b\u7f6e\u304d\u3001\u305d\u306e\u672b\u5c3e\u306b <code>cache_control<\/code> \u3092\u4ed8\u3051\u307e\u3059\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u5358\u4f4d\u3067\u52b9\u304f\u305f\u3081\u3001\u56fa\u5b9a\u90e8\u5206\u3092\u524d\u3001\u53ef\u5909\u90e8\u5206\uff08\u30e6\u30fc\u30b6\u30fc\u5165\u529b\uff09\u3092\u5f8c\u308d\u306b\u3059\u308b\u69cb\u6210\u304c\u91cd\u8981\u3067\u3059\u3002<\/li>\n<li>\u521d\u56de\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u66f8\u304d\u8fbc\u307f\uff08\u3084\u3084\u5272\u9ad8\uff09\u30012\u56de\u76ee\u4ee5\u964d\u306f\u8aad\u307f\u51fa\u3057\uff08\u5927\u5e45\u306b\u5272\u5b89\uff09\u306b\u306a\u308a\u307e\u3059\u3002<code>usage<\/code> \u306e <code>cache_read_input_tokens<\/code> \u3067\u52b9\u679c\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<li>\u6700\u5c0f\u30c8\u30fc\u30af\u30f3\u6570\u3084\u6709\u52b9\u671f\u9650\uff08TTL\uff09\u306e\u6761\u4ef6\u304c\u3042\u308b\u305f\u3081\u3001\u300c\u9577\u3044\u30fb\u4f7f\u3044\u56de\u3059\u30fb\u5909\u308f\u3089\u306a\u3044\u300d\u3082\u306e\u306b\u7d5e\u3063\u3066\u4f7f\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>6. \u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0<\/h2>\n<pre class=\"lang:default decode:true\">import anthropic\n\nclient = anthropic.Anthropic()\n\ntry:\n    resp = client.messages.create(\n        model=\"claude-sonnet-4-6\", max_tokens=1024,\n        messages=[{\"role\": \"user\", \"content\": \"\u30c6\u30b9\u30c8\"}],\n    )\nexcept anthropic.RateLimitError:\n    ...  # 429\u3002\u6307\u6570\u30d0\u30c3\u30af\u30aa\u30d5\u3067\u30ea\u30c8\u30e9\u30a4\nexcept anthropic.APIStatusError as e:\n    print(e.status_code, e.response)  # 4xx \/ 5xx\nexcept anthropic.APIConnectionError:\n    ...  # \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7cfb<\/pre>\n<p><code>stop_reason == \"max_tokens\"<\/code> \u306f\u5fdc\u7b54\u304c\u9014\u4e2d\u3067\u5207\u308c\u3066\u3044\u308b\u30b5\u30a4\u30f3\u3067\u3059\u3002UI \u4e0a\u306f\u300c\u7d9a\u304d\u3092\u751f\u6210\u300d\u306a\u3069\u306e\u5c0e\u7dda\u3092\u7528\u610f\u3059\u308b\u3068\u89aa\u5207\u3067\u3059\u3002<\/p>\n<h2>\u78ba\u8a8d\u65b9\u6cd5<\/h2>\n<ul>\n<li>\u6700\u521d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u8fd4\u308a\u3001<code>message.content[0].text<\/code> \u306b\u65e5\u672c\u8a9e\u5fdc\u7b54\u304c\u5165\u308b\u3053\u3068\u3002<\/li>\n<li>\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3067\u6587\u5b57\u304c\u9010\u6b21\u6d41\u308c\u308b\u3053\u3068\u3002<\/li>\n<li>\u30c4\u30fc\u30eb\u5229\u7528\u3067 <code>stop_reason == \"tool_use\"<\/code> \u306b\u306a\u308a\u3001<code>tool_result<\/code> \u3092\u8fd4\u3057\u305f\u5f8c\u306b\u6700\u7d42\u5fdc\u7b54\u304c\u8fd4\u308b\u3053\u3068\u3002<\/li>\n<li>\u30d7\u30ed\u30f3\u30d7\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u30012\u56de\u76ee\u306e <code>usage<\/code> \u306b <code>cache_read_input_tokens<\/code> \u304c\u8a08\u4e0a\u3055\u308c\u308b\u3053\u3068\u3002<\/li>\n<\/ul>\n<h2>\u6ce8\u610f\u70b9<\/h2>\n<ul>\n<li>API \u30ad\u30fc\u306f\u30b5\u30fc\u30d0\u5074\u3067\u306e\u307f\u6271\u3044\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u304b\u3089\u76f4\u63a5 Claude API \u3092\u53e9\u304f\u3068\u30ad\u30fc\u304c\u9732\u51fa\u3059\u308b\u305f\u3081\u3001\u5fc5\u305a\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u7d4c\u7531\u306b\u3057\u307e\u3059\u3002<\/li>\n<li><code>messages<\/code> \u306f\u6bce\u56de\u5168\u5c65\u6b74\u3092\u9001\u308b\u65b9\u5f0f\u306a\u306e\u3067\u3001\u4f1a\u8a71\u304c\u9577\u304f\u306a\u308b\u3068\u30b3\u30b9\u30c8\u304c\u5897\u3048\u307e\u3059\u3002\u8981\u7d04\u30fb\u53e4\u3044\u5c65\u6b74\u306e\u5207\u308a\u6368\u3066\u30fb\u30d7\u30ed\u30f3\u30d7\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u4f75\u7528\u3067\u5236\u5fa1\u3057\u307e\u3059\u3002<\/li>\n<li>\u30e2\u30c7\u30eb\u8b58\u5225\u5b50\u30fb\u6599\u91d1\u30fb\u30ec\u30fc\u30c8\u5236\u9650\u306f\u5909\u308f\u308a\u3046\u308b\u305f\u3081\u30011\u304b\u6240\u306b\u96c6\u7d04\u3057\u3066\u5207\u308a\u66ff\u3048\u3084\u3059\u304f\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>Claude API \u306f Messages API \u3072\u3068\u3064\u3092\u8ef8\u306b\u3001\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30fb\u30c4\u30fc\u30eb\u5229\u7528\u30fb\u30d7\u30ed\u30f3\u30d7\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u307e\u3067\u4e00\u8cab\u3057\u3066\u6271\u3048\u307e\u3059\u3002\u5165\u9580\u3068\u3057\u3066\u306f\u300c\u6700\u521d\u306e\u30ea\u30af\u30a8\u30b9\u30c8 \u2192 \u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0 \u2192 \u30c4\u30fc\u30eb\u5229\u7528 \u2192 \u30ad\u30e3\u30c3\u30b7\u30e5\u300d\u306e\u9806\u3067\u89e6\u308b\u3068\u5168\u4f53\u50cf\u304c\u3064\u304b\u3081\u307e\u3059\u3002\u307e\u305a Sonnet \u3067\u52d5\u304b\u3057\u3001\u8981\u4ef6\u306b\u5fdc\u3058\u3066\u30e2\u30c7\u30eb\u3092\u5207\u308a\u66ff\u3048\u3066\u3044\u304f\u306e\u304c\u5b9f\u52d9\u7684\u306a\u9032\u3081\u65b9\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anthropic \u306e Claude API\uff08Messages API\uff09\u3092\u3001\u516c\u5f0f SDK \u3092\u4f7f\u3063\u3066\u4e00\u901a\u308a\u89e6\u308b\u305f\u3081\u306e\u30cf\u30f3\u30ba\u30aa\u30f3\u3067\u3059\u3002\u74b0\u5883\u69cb\u7bc9\u304b\u3089\u3001\u6700\u521d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3001\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3001\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30f3\u30d7\u30c8\u3001\u30de\u30eb\u30c1\u30bf\u30fc\u30f3\u4f1a\u8a71\u3001\u30c4\u30fc\u30eb\u5229\u7528\u3001\u30d7\u30ed\u30f3\u30d7\u30c8\u30ad\u2026<\/p>\n","protected":false},"author":1,"featured_media":3544,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"sns_share_botton_hide":"","vkExUnit_sns_title":"","_vk_print_noindex":"","sitemap_hide":"","_veu_custom_css":"","veu_display_promotion_alert":"","vkexunit_cta_each_option":"","_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[38],"tags":[64,147,1191,236,1162],"class_list":["post-3545","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python-memorandum","tag-api","tag-python","tag-typescript","tag-236","tag-1162"],"veu_head_title_object":{"title":"","add_site_title":""},"jetpack_publicize_connections":[],"jetpack-related-posts":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/qol-kk.com\/wp2\/wp-content\/uploads\/2026\/10\/20261018-plan084-thumbnail.jpg","_links":{"self":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts\/3545","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/comments?post=3545"}],"version-history":[{"count":1,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts\/3545\/revisions"}],"predecessor-version":[{"id":3588,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts\/3545\/revisions\/3588"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/media\/3544"}],"wp:attachment":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/media?parent=3545"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/categories?post=3545"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/tags?post=3545"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}