{"id":15087,"date":"2024-03-26T14:44:44","date_gmt":"2024-03-26T11:14:44","guid":{"rendered":"https:\/\/www.itpiran.net\/blog\/?p=15087"},"modified":"2024-03-26T14:44:44","modified_gmt":"2024-03-26T11:14:44","slug":"what-is-api","status":"publish","type":"post","link":"https:\/\/www.itpiran.net\/blog\/ja\/tutorials\/what-is-api\/","title":{"rendered":"API \u3068\u306f\u4f55\u3067\u3059\u304b? API \u306b\u306f\u3069\u306e\u3088\u3046\u306a\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u304b?"},"content":{"rendered":"<h2 id=\"%d9%85%d9%82%d8%af%d9%85%d9%87\">\u5c0e\u5165<\/h2>\n<p>\u300cAPI\u300d\u3068\u3044\u3046\u8a00\u8449\u3092\u8033\u306b\u3057\u305f\u3053\u3068\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u4e00\u4f53\u4f55\u306a\u306e\u304b\u3001\u4f55\u3092\u3059\u308b\u306e\u304b\u7591\u554f\u306b\u601d\u3063\u305f\u3053\u3068\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002Web API\u3068\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u958b\u767a\u8005\u304c\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u3066\u547d\u4ee4\u3084\u30c7\u30fc\u30bf\u3092\u9001\u53d7\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u30c4\u30fc\u30eb\u30bb\u30c3\u30c8\u3067\u3059\u3002\u4eca\u65e5\u79c1\u305f\u3061\u304c\u5229\u7528\u3057\u3066\u3044\u308b\u591a\u304f\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3084\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001API\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p>\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30b3\u30fc\u30c9\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u76f4\u63a5\u901a\u4fe1\u3057\u307e\u305b\u3093\u3002\u4ee3\u308f\u308a\u306b\u3001API\u3068\u547c\u3070\u308c\u308b\u30ec\u30a4\u30e4\u30fc\u3092\u4ecb\u3057\u3066\u30c7\u30fc\u30bf\u304c\u9001\u53d7\u4fe1\u3055\u308c\u307e\u3059\u3002API\u306f\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u64cd\u4f5c\u3001\u305d\u3057\u3066\u30e6\u30fc\u30b6\u30fc\u304c\u64cd\u4f5c\u3059\u308b\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u9593\u306e\u4ef2\u4ecb\u30ec\u30a4\u30e4\u30fc\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002.<\/p>\n<p>\u57fa\u672c\u7684\u306b\u306f API \u30ec\u30a4\u30e4\u30fc\u3067\u3059\u3002<\/p>\n<ul>\n<li>Web \u30da\u30fc\u30b8\u304c\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u53d7\u4fe1\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/li>\n<li>\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306b\u9001\u4fe1\u3059\u308b\u524d\u306b\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6b63\u3057\u3044\u5f62\u5f0f\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/li>\n<li>\u8ffd\u52a0\u60c5\u5831\u3068\u3068\u3082\u306b\u3001\u671f\u5f85\u3055\u308c\u308b\u5f62\u5f0f\u3067\u30c7\u30fc\u30bf\u3092\u8fd4\u3057\u307e\u3059\u3002.<\/li>\n<li>\u30c7\u30fc\u30bf\u304c\u8fd4\u3055\u308c\u306a\u304b\u3063\u305f\u7406\u7531\u3092 Web \u30da\u30fc\u30b8\u306b\u4f1d\u3048\u307e\u3059\u3002.<\/li>\n<\/ul>\n<h2 id=\"%d8%a7%d9%86%d9%88%d8%a7%d8%b9-api\">API\u306e\u7a2e\u985e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>API\u306b\u306f\u69d8\u3005\u306a\u7a2e\u985e\u304c\u3042\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306e\u30ec\u30d9\u30eb\u3082\u7570\u306a\u308a\u307e\u3059\u3002API\u306b\u306f\u4e3b\u306b4\u3064\u306e\u7a2e\u985e\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u306b\u3064\u3044\u3066\u4ee5\u4e0b\u3067\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"1-api%d9%87%d8%a7%db%8c-%d8%b9%d9%85%d9%88%d9%85%db%8c\">1- \u30d1\u30d6\u30ea\u30c3\u30afAPI<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u30d1\u30d6\u30ea\u30c3\u30afAPI\uff08\u5916\u90e8API\u3068\u3082\u547c\u3070\u308c\u307e\u3059\uff09\u306f\u3001\u958b\u767a\u8005\u3084\u305d\u306e\u4ed6\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u6700\u5c0f\u9650\u306e\u5236\u9650\u306e\u4e0b\u3067\u5229\u7528\u3067\u304d\u308bAPI\u3067\u3059\u3002\u3053\u306e\u30bf\u30a4\u30d7\u306eAPI\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001\u767b\u9332\u3068API\u30ad\u30fc\u306e\u4f7f\u7528\u304c\u5fc5\u8981\u306a\u5834\u5408\u3082\u3042\u308c\u3070\u3001\u5b8c\u5168\u306b\u30aa\u30fc\u30d7\u30f3\u306a\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30bf\u30a4\u30d7\u306eAPI\u306f\u3001\u5916\u90e8\u30e6\u30fc\u30b6\u30fc\u304c\u30c7\u30fc\u30bf\u3084\u30b5\u30fc\u30d3\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3059\u3002.<\/p>\n<h2 id=\"2-api%d9%87%d8%a7%db%8c-%d8%af%d8%b1%d9%88%d9%86%db%8c\">2- \u5185\u90e8API<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u30aa\u30fc\u30d7\u30f3API\u3068\u306f\u7570\u306a\u308a\u3001\u5185\u90e8API\u306f\u5916\u90e8\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u898b\u3048\u306a\u3044\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u793e\u5185\u3067\u30ea\u30bd\u30fc\u30b9\u3092\u5171\u6709\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u793e\u5185\u306e\u7570\u306a\u308b\u30c1\u30fc\u30e0\u3084\u90e8\u9580\u304c\u4e92\u3044\u306e\u30c4\u30fc\u30eb\u3001\u30c7\u30fc\u30bf\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002.<\/p>\n<h2 id=\"3-api%d9%87%d8%a7%db%8c-%d8%b4%d8%b1%db%8c%da%a9\">3. \u30d1\u30fc\u30c8\u30ca\u30fcAPI<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u3053\u308c\u3089\u306e\u30bf\u30a4\u30d7\u306eAPI\u306f\u6280\u8853\u7684\u306b\u306f\u30aa\u30fc\u30d7\u30f3API\u3068\u975e\u5e38\u306b\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u30a2\u30af\u30bb\u30b9\u304c\u5236\u9650\u3055\u308c\u3066\u304a\u308a\u3001\u591a\u304f\u306e\u5834\u5408\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306eAPI\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u4ecb\u3057\u3066\u5236\u5fa1\u3055\u308c\u307e\u3059\u3002\u901a\u5e38\u3001\u6709\u6599\u30b5\u30fc\u30d3\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u306a\u3069\u3001\u7279\u5b9a\u306e\u76ee\u7684\u306e\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n<h2 id=\"4-api%d9%87%d8%a7%db%8c-%d8%aa%d8%b1%da%a9%db%8c%d8%a8%db%8c\">4. \u30cf\u30a4\u30d6\u30ea\u30c3\u30c9API<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9API\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u958b\u767a\u8005\u306f1\u56de\u306e\u547c\u3073\u51fa\u3057\u3067\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306f\u30011\u3064\u306eAPI\u306b\u8907\u6570\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u3064\u3053\u3068\u3082\u3001\u30b5\u30fc\u30d3\u30b9\u3084\u30ea\u30bd\u30fc\u30b9\u3092\u6301\u3064\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9API\u306f\u3001\u30bf\u30b9\u30af\u306e\u5b9f\u884c\u306b\u8907\u6570\u306e\u30b5\u30fc\u30d3\u30b9\u304b\u3089\u306e\u60c5\u5831\u304c\u5fc5\u8981\u3068\u306a\u308b\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u7279\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9API\u3092\u4f7f\u7528\u3059\u308b\u3068\u30011\u56de\u306e\u547c\u3073\u51fa\u3057\u3067\u5fc5\u8981\u306a\u3059\u3079\u3066\u306e\u9805\u76ee\u3092\u53d6\u5f97\u3067\u304d\u308b\u305f\u3081\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u304c\u77ed\u7e2e\u3055\u308c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002.<\/p>\n<h2 id=\"%d8%a7%d9%86%d9%88%d8%a7%d8%b9-%d9%be%d8%b1%d9%88%d8%aa%da%a9%d9%84%d9%87%d8%a7%db%8c-api\">API\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u7a2e\u985e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>API\u306f\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u7a2e\u985e\u306b\u3088\u3063\u3066\u5206\u985e\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002API\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001API\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u5171\u6709\u3067\u304d\u308b\u60c5\u5831\u3068\u305d\u306e\u30c7\u30fc\u30bf\u5171\u6709\u65b9\u6cd5\u3092\u6c7a\u5b9a\u3059\u308b\u30eb\u30fc\u30eb\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002. <code>RPC<\/code>\u3001 <code>\u77f3\u9e78<\/code> \u305d\u3057\u3066 <code>\u4f11\u3080<\/code> \u3053\u308c\u3089\u306f\u3001\u73fe\u5728\u6700\u3082\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308bAPI\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4e00\u90e8\u3067\u3059\u3002\u4ee5\u4e0b\u3067\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>\n<h2 id=\"remote-procedure-call-rpc\">\u30ea\u30e2\u30fc\u30c8 \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3 \u30b3\u30fc\u30eb (RPC)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>RPC\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u30013\u3064\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u4e2d\u3067\u6700\u3082\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u5bb9\u6613\u306b\u3059\u308bREST\u3084SOAP\u3068\u306f\u7570\u306a\u308a\u3001RPC API\u306f\u30d7\u30ed\u30bb\u30b9\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002RPC API\u306f\u3001\u547c\u3073\u51fa\u3057\u306bJSON\u307e\u305f\u306fXML\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002.<\/p>\n<h2 id=\"service-object-access-protocol-soap\">\u30b5\u30fc\u30d3\u30b9 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30a2\u30af\u30bb\u30b9 \u30d7\u30ed\u30c8\u30b3\u30eb (SOAP)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>SOAP\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4ecb\u3057\u3066\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308a\u3001API\u306e\u69cb\u7bc9\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002SOAP\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9001\u4fe1\u65b9\u6cd5\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u542b\u3081\u308b\u5185\u5bb9\u3092\u6b63\u78ba\u306b\u898f\u5b9a\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001SOAP API\u306fREST API\u3088\u308a\u3082\u5b89\u5168\u3067\u3059\u3002.<\/p>\n<h2 id=\"representational-state-transfer-rest\">\u8868\u73fe\u72b6\u614b\u8ee2\u9001\uff08REST\uff09<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4eca\u65e5\u306e\u307b\u3068\u3093\u3069\u306eWeb API\u306fREST\u306b\u57fa\u3065\u3044\u3066\u69cb\u7bc9\u3055\u308c\u3066\u3044\u307e\u3059\u3002REST\u306f\u3001\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u3067\u8efd\u91cf\u3001\u305d\u3057\u3066\u4f7f\u3044\u3084\u3059\u3044API\u306e\u305f\u3081\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3067\u3059\u3002REST API\u306f\u3001REST\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u6e96\u62e0\u3057\u305fAPI\u3067\u3042\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30ea\u30af\u30a8\u30b9\u30c8\u5143\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<\/p>\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001REST API \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u306f\u6b21\u306e\u5185\u5bb9\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u5206\u96e2: \u3059\u3079\u3066\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u3084\u308a\u53d6\u308a\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u8981\u6c42\u3068\u305d\u308c\u306b\u7d9a\u304f\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u5fdc\u7b54\u3068\u3044\u3046\u5f62\u5f0f\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<li>\u7d71\u4e00\u3055\u308c\u305f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9: \u3059\u3079\u3066\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u5fdc\u7b54\u306f\u3001\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u3057\u3066 HTTP \u3092\u4f7f\u7528\u3057\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u4e92\u63db\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u7279\u5b9a\u306e\u65b9\u6cd5\u3067\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<li>\u72ec\u7acb\u6027\uff1a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u5404\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306f\u3001\u4ed6\u306e\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u304b\u3089\u72ec\u7acb\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304b\u3089\u306e\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u305b\u305a\u3001\u904e\u53bb\u306e\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306e\u8a18\u9332\u3082\u4e00\u5207\u4fdd\u6301\u3057\u307e\u305b\u3093\u3002.<\/li>\n<li>\u968e\u5c64\u5316\u30b7\u30b9\u30c6\u30e0: \u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068 API \u9593\u306e\u4e2d\u9593\u30b5\u30fc\u30d0\u30fc\u7d4c\u7531\u3067\u9001\u4fe1\u3055\u308c\u308b\u5834\u5408\u3067\u3082\u3001\u5e38\u306b\u540c\u3058\u5f62\u5f0f\u3067\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u53ef\u80fd: \u3053\u308c\u3089\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001REST API \u3092\u4f7f\u7528\u3057\u3066\u9ad8\u901f\u3001\u7c21\u5358\u3001\u304b\u3064\u5b89\u5168\u306a\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u5b9f\u73fe\u3067\u304d\u308b\u305f\u3081\u3001\u958b\u767a\u8005\u306e\u9593\u3067\u4eba\u6c17\u306e\u3042\u308b\u9078\u629e\u80a2\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002.<\/li>\n<\/ul>\n<h2 id=\"%d8%a7%d9%86%d9%88%d8%a7%d8%b9-api%d9%87%d8%a7-%d8%a7%d8%b2-%d9%84%d8%ad%d8%a7%d8%b8-%d9%85%d9%88%d8%a7%d8%b1%d8%af-%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87\">\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u304b\u3089\u898b\u305fAPI\u306e\u7a2e\u985e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>API \u306e\u5225\u306e\u5206\u985e\u306f\u3001\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u57fa\u3065\u3044\u3066\u5206\u985e\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u6b21\u306e\u3082\u306e\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<h2 id=\"open-api\">\u30aa\u30fc\u30d7\u30f3API<\/h2>\n<p>\u69cb\u9020\u7684\u306b\u306f\u3001\u30aa\u30fc\u30d7\u30f3API\u306f\u6a19\u6e96REST API\u306e\u69cb\u9020\u3068\u69cb\u6587\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306e\u6a19\u6e96\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u3059\u3002\u30aa\u30fc\u30d7\u30f3API\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u6a5f\u68b0\u53ef\u8aad\u6027\u3068\u4eba\u9593\u53ef\u8aad\u6027\u306e\u4e21\u65b9\u3092\u5099\u3048\u3066\u304a\u308a\u3001\u8ab0\u3067\u3082\u5404API\u306e\u52d5\u4f5c\u3092\u7c21\u5358\u306b\u7406\u89e3\u3067\u304d\u307e\u3059\u3002\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u30aa\u30fc\u30d7\u30f3API\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3068\u8a2d\u8a08\u3001\u958b\u767a\u3001\u30c6\u30b9\u30c8\u306e\u5b9f\u884c\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n<h2 id=\"api-gateway\">API\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/h2>\n<p>\u307b\u3068\u3093\u3069\u306e\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30baAPI\u306f\u3001API\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u4ecb\u3057\u3066\u5c55\u958b\u3055\u308c\u307e\u3059\u3002API\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u901a\u5e38\u3001\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u3001\u30ec\u30fc\u30c8\u5236\u9650\u306a\u3069\u3001API\u30b5\u30fc\u30d3\u30b9\u30b7\u30b9\u30c6\u30e0\u3067\u4f7f\u7528\u3055\u308c\u308b\u4e00\u822c\u7684\u306a\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002API\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u30b5\u30fc\u30d3\u30b9\u306f\u3001\u30ea\u30e2\u30fc\u30c8\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u5165\u308c\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u8fd4\u3057\u307e\u3059\u3002.<\/p>\n<h2 id=\"web-api\">\u30a6\u30a7\u30d6API<\/h2>\n<p>Web API\u3068\u547c\u3070\u308c\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u4e00\u9023\u306e\u95a2\u6570\u3092\u5099\u3048\u305f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u4e00\u7a2e\u3067\u3059\u3002\u3053\u306e\u95a2\u6570\u30bb\u30c3\u30c8\u306b\u3088\u308a\u3001\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u7279\u5b9a\u306e\u6a5f\u80fd\u3084\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002Web API\u306f\u305d\u306e\u540d\u306e\u901a\u308a\u3001HTTP\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u7528\u3044\u3066Web\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308bAPI\u3067\u3059\u3002HTTP\u5411\u3051\u306eREST\u30b5\u30fc\u30d3\u30b9\u306e\u4f5c\u6210\u3068\u958b\u767a\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002.<\/p>\n<h2 id=\"%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af-api-%da%86%db%8c%d8%b3%d8%aa%d8%9f\">API \u306e\u7528\u9014\u306f\u4f55\u3067\u3059\u304b?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>API\u306e\u5b9a\u7fa9\u3067\u8aac\u660e\u3057\u305f\u3088\u3046\u306b\u3001API\u306f\u4f01\u696d\u304c\u81ea\u793e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30c7\u30fc\u30bf\u3068\u6a5f\u80fd\u3092\u5916\u90e8\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u958b\u767a\u8005\u3001\u30d3\u30b8\u30cd\u30b9\u30d1\u30fc\u30c8\u30ca\u30fc\u3001\u305d\u3057\u3066\u793e\u5185\u306e\u5404\u90e8\u9580\u306b\u516c\u958b\u3059\u308b\u3053\u3068\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b5\u30fc\u30d3\u30b9\u3084\u88fd\u54c1\u306f\u76f8\u4e92\u306b\u901a\u4fe1\u3057\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5316\u3055\u308c\u305f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4ecb\u3057\u3066\u4e92\u3044\u306e\u30c7\u30fc\u30bf\u3084\u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u958b\u767a\u8005\u306fAPI\u306e\u5b9f\u88c5\u65b9\u6cd5\u3092\u77e5\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001\u4f01\u696d\u306e\u4ed6\u306e\u30b5\u30fc\u30d3\u30b9\u3084\u88fd\u54c1\u3068\u901a\u4fe1\u3059\u308b\u3060\u3051\u3067\u3059\u3002.<\/p>\n<h2 id=\"api-key-%da%86%db%8c%d8%b3%d8%aa%d8%9f\">API \u30ad\u30fc\u3068\u306f\u4f55\u3067\u3059\u304b?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span>API\u30ad\u30fc\u306f\u3001API\u547c\u3073\u51fa\u3057\u306e\u8a8d\u8a3c\u306b\u4f7f\u7528\u3055\u308c\u308b\u4e00\u610f\u306e\u8b58\u5225\u5b50\u3067\u3059\u3002API\u30ad\u30fc\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306e\u6587\u5b57\u3068\u6570\u5b57\u306e\u6587\u5b57\u5217\u3067\u3059\u3002API\u30ad\u30fc\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u306b\u57fa\u3065\u3044\u3066\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u8a31\u53ef\u307e\u305f\u306f\u62d2\u5426\u3057\u3001\u4f7f\u7528\u91cf\u3068\u8ab2\u91d1\u306e\u305f\u3081\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u3092\u8ffd\u8de1\u3057\u307e\u3059\u3002. <\/span>\u30ad\u30fc\u3092\u6301\u3064\u30e6\u30fc\u30b6\u30fc\u306e\u307f\u306b\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3059\u308b\u3053\u3068\u3067\u3001\u4f01\u696d\u306f API \u3078\u306e\u547c\u3073\u51fa\u3057\u56de\u6570\u3092\u5236\u5fa1\u3057\u3001\u7279\u5b9a\u306e\u4fe1\u983c\u3067\u304d\u308b\u9867\u5ba2\u30b0\u30eb\u30fc\u30d7\u306e\u307f\u304c\u30b5\u30fc\u30d0\u30fc \u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n<h2 id=\"graphql\">\u30b0\u30e9\u30d5QL<\/h2>\n<p><span>GraphQL\u306f\u3001\u30e2\u30d0\u30a4\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30c7\u30fc\u30bf\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30af\u30a8\u30ea\u8a00\u8a9e\u3067\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3068\u3044\u3046\u70b9\u3067REST\u306b\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u65b9\u6cd5\u306f\u5168\u304f\u7570\u306a\u308a\u307e\u3059\u3002. <\/span>REST API \u306f\u512a\u308c\u3066\u304a\u308a\u3001\u6700\u3082\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001GraphQL 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