{"id":31724,"date":"2025-12-11T22:37:49","date_gmt":"2025-12-11T22:37:49","guid":{"rendered":"https:\/\/www.dotcom-monitor.com\/blog\/http-api-vs-rest-api-vs-web-api\/"},"modified":"2026-07-15T21:43:22","modified_gmt":"2026-07-15T21:43:22","slug":"http-api-vs-rest-api-vs-web-api","status":"publish","type":"post","link":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/http-api-vs-rest-api-vs-web-api\/","title":{"rendered":"HTTP API vs REST API vs Web API\uff1a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3068\u76e3\u8996\u65b9\u6cd5"},"content":{"rendered":"
API\u306f\u3042\u3089\u3086\u308b\u3082\u306e\u306e\u57fa\u76e4\u3067\u3059\u3002\u30ed\u30b0\u30a4\u30f3\u30d5\u30ed\u30fc\u304b\u3089\u30c1\u30a7\u30c3\u30af\u30a2\u30a6\u30c8\u30b7\u30b9\u30c6\u30e0\u3001\u5185\u90e8\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u9593\u901a\u4fe1\u307e\u3067\u3002\u3057\u304b\u3057\u3001\u30c1\u30fc\u30e0\u304c\u62e1\u5927\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u7528\u8a9e\u306e\u6df7\u4e71\u3082\u5897\u52a0\u3057\u307e\u3059\uff1aHTTP API vs REST API vs Web API<\/b>\u3002\u591a\u304f\u306e\u8a18\u4e8b\u304c\u3053\u308c\u3089\u3092\u540c\u7fa9\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u304c\u3001\u9055\u3044\u306f\u660e\u78ba\u3067\u3042\u308a\u3001\u305d\u308c\u304c\u4fe1\u983c\u6027\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6319\u52d5\u3001\u8a8d\u8a3c\u30d5\u30ed\u30fc\u3001\u305d\u3057\u3066\u6700\u7d42\u7684\u306b\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306e\u76e3\u8996<\/b>\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002<\/p>\n
\u672c\u30ac\u30a4\u30c9\u3067\u306f\u3001HTTP\u306e\u5358\u7d14\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u30fb\u30ec\u30b9\u30dd\u30f3\u30b9\u30d1\u30bf\u30fc\u30f3\u304b\u3089REST\u306e\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9<\/b>\u3067\u30ea\u30bd\u30fc\u30b9\u6307\u5411\u306e\u5236\u7d04\u3001\u3055\u3089\u306b\u306fWeb API<\/b>\uff08SOAP\u3001GraphQL\u3001gRPC\uff09\u306e\u5e83\u7bc4\u306a\u4e16\u754c\u307e\u3067\u3001\u305d\u308c\u305e\u308c\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u660e\u78ba\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u3053\u308c\u3089\u306e\u9055\u3044\u304c\u76e3\u8996\u6226\u7565\u3092\u3069\u306e\u3088\u3046\u306b\u5f62\u6210\u3057\u3001API\u306e\u5065\u5eb7\u72b6\u614b\u3092\u3069\u308c\u3060\u3051\u52b9\u679c\u7684\u306b\u8ffd\u8de1\u3067\u304d\u308b\u304b<\/a>\u3001SLA\/SLO\u7ba1\u7406\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u591a\u6bb5\u5408\u6210\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u8a2d\u8a08\u306b\u3069\u306e\u3088\u3046\u306b\u5f71\u97ff\u3059\u308b\u304b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n HTTP API<\/i>\u3001REST API<\/i>\u3001Web API<\/i>\u306f\u3057\u3070\u3057\u3070\u540c\u3058\u3082\u306e\u3092\u6307\u3059\u304b\u306e\u3088\u3046\u306b\u4e00\u7dd2\u306b\u767b\u5834\u3057\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u306fAPI\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u7570\u306a\u308b\u62bd\u8c61\u30ec\u30a4\u30e4\u30fc\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u8a2d\u8a08\u3060\u3051\u3067\u306a\u304f\u3001\u53ef\u7528\u6027\u30c6\u30b9\u30c8\u3001\u30da\u30a4\u30ed\u30fc\u30c9\u691c\u8a3c\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u8a08\u6e2c\u3001\u5206\u6563\u30b7\u30b9\u30c6\u30e0\u9593\u306e\u591a\u6bb5\u30d5\u30ed\u30fc\u76e3\u8996\u3001\u305d\u3057\u3066\u672c\u756a\u74b0\u5883\u3067\u306eREST\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306e\u52b9\u679c\u7684\u306a\u76e3\u8996<\/a>\u306b\u5fc5\u9808\u3067\u3059\u3002<\/p>\n HTTP\u306f\u5358\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u9001\u4fe1\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u53d7\u4fe1\u306e\u305f\u3081\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002API\u30b9\u30bf\u30a4\u30eb\u306b\u306f\u5f71\u97ff\u3057\u307e\u305b\u3093\u3002\u30a8\u30f3\u30b8\u30cb\u30a2\u304cHTTP API<\/i>\u3068\u8a00\u3046\u5834\u5408\u3001\u901a\u5e38\u306fHTTP\u30e1\u30bd\u30c3\u30c9<\/b>\uff08GET\u3001POST\u3001PUT\u3001DELETE\uff09\u3092\u76f4\u63a5\u516c\u958b\u3059\u308bAPI\u3092\u6307\u3057\u3001\u9ad8\u30ec\u30d9\u30eb\u306e\u8a2d\u8a08\u5236\u7d04\u306b\u5fc5\u305a\u3057\u3082\u5f93\u3046\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n HTTP API\u306f\u5178\u578b\u7684\u306b\u5358\u7d14\u306a\u30ea\u30af\u30a8\u30b9\u30c8\uff0f\u30ec\u30b9\u30dd\u30f3\u30b9\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u7126\u70b9\u3092\u5f53\u3066\u307e\u3059\uff1a<\/p>\n \u3053\u308c\u3089\u306eAPI\u306f\u901a\u5e38JSON<\/b>\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u4ea4\u63db\u3057\u307e\u3059\u304c\u3001XML\u3001\u30c6\u30ad\u30b9\u30c8\u3001\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf\u3092\u8fd4\u3059\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u30b7\u30f3\u30d7\u30eb\u3055\u3086\u3048\u306b\u8a2d\u8a08\u304c\u901f\u304f\u3001\u62e1\u5f35\u304c\u5bb9\u6613\u3067\u3001\u5185\u90e8\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u306b\u67d4\u8edf\u306b\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u7d71\u4e00\u7684\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u4fdd\u8a3c\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u72b6\u614b\u30b3\u30fc\u30c9\u3084\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306a\u3069\u3001\u5404\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3054\u3068\u306b\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u660e\u793a\u7684\u691c\u8a3c\u304c\u5fc5\u8981\u3067\u3001DevOps\u30c1\u30fc\u30e0\u306e\u691c\u8a3c\u30eb\u30fc\u30eb\u306b\u5927\u304d\u306a\u5dee\u7570\u304c\u751f\u3058\u307e\u3059\u3002<\/p>\n REST\u306f\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u306f\u306a\u304f\u3001HTTP\u4e0a\u306b\u69cb\u7bc9\u3055\u308c\u305f\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u30b9\u30bf\u30a4\u30eb\u3067\u3059\u3002RESTful\u3067\u3042\u308b\u305f\u3081\u306b\u306f\u3001\u7279\u5b9a\u306eREST\u5236\u7d04<\/b>\u306b\u5f93\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n REST API<\/a><\/strong>\u306f\u4e00\u822c\u7684\u306b\u30a2\u30af\u30b7\u30e7\u30f3\u3067\u306f\u306a\u304f\u30ea\u30bd\u30fc\u30b9\u3092\u30e2\u30c7\u30eb\u5316\u3057\u307e\u3059\uff1a<\/p>\n \u3053\u306e\u7d71\u4e00\u3055\u308c\u305f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u3088\u308a\u3001REST API\u306f\u30ea\u30bd\u30fc\u30b9\u5358\u4f4d\u3067<\/b>\u76e3\u8996\u304c\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001 \u307e\u305fREST\u306f\u3001HTTP API\u304c\u4fdd\u8a3c\u3057\u306a\u3044\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9\u30cd\u30b9<\/b>\u306e\u30c6\u30b9\u30c8\u3084PUT\/PATCH\u306e\u51aa\u7b49\u6027\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u5236\u5fa1\u30d8\u30c3\u30c0\u30fc\u306e\u691c\u8a3c\u306b\u6069\u6075\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n Web API\u306f\u3001RESTful\u304b\u3069\u3046\u304b\u306b\u95a2\u308f\u3089\u305a\u30a6\u30a7\u30d6\u4e0a\u306b\u516c\u958b\u3055\u308c\u308b\u3042\u3089\u3086\u308b<\/i>API\u3092\u6307\u3059\u5305\u62ec\u7684\u306a\u7528\u8a9e\u3067\u3059\u3002\u3053\u308c\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059\uff1a<\/p>\n \u7af6\u5408\u88fd\u54c1\u304c\u901a\u5e38\u300c.NET Web API\u300d\u306e\u307f\u3092\u6307\u3059\u3053\u3068\u304c\u591a\u3044\u306e\u3068\u7570\u306a\u308a\u3001\u3053\u306e\u7528\u8a9e\u306f\u306f\u308b\u304b\u306b\u5e83\u7bc4\u3067\u3059\u3002Web API\u306fREST\u306e\u6163\u7fd2\u3067\u306f\u306a\u304f\u3001XML\u30b9\u30ad\u30fc\u30de\u3001WSDL\u5951\u7d04\u3001RPC\u7f72\u540d\u306b\u4f9d\u5b58\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u3001\u305d\u306e\u305f\u3081\u76e3\u8996\u306fSOAP\u3067\u306eXML\u691c\u8a3c\u3001GraphQL\u3067\u306e\u30ea\u30be\u30eb\u30d0\u30fc\u5358\u4f4d\u306e\u691c\u8a3c\u3001gRPC\u3067\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u8a8d\u8b58\u306e\u8a08\u6e2c\u3068\u5e45\u5e83\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\nHTTP API vs REST API vs Web API: \u4e3b\u8981\u306a\u9055\u3044\uff08\u304a\u3088\u3073\u8aa4\u89e3\uff09<\/h2>\n
HTTP\u3068\u306f\u4f55\u304b\uff08\u304a\u3088\u3073HTTP API\u3068\u306f\u4f55\u304b\uff09\uff1f<\/h3>\n
\n
GET \/health<\/code> \u2192 \u72b6\u614b\u3092\u8fd4\u3059<\/li>\nPOST \/login<\/code> \u2192 \u30c8\u30fc\u30af\u30f3\u3092\u8fd4\u3059<\/li>\nPUT \/cart\/123<\/code> \u2192 \u30ec\u30b3\u30fc\u30c9\u3092\u66f4\u65b0\u3059\u308b<\/li>\n<\/ul>\nREST\u3068\u306f\u4f55\u304b\uff08\u305d\u3057\u3066\u771f\u306bRESTful\u306aAPI\u3068\u306f\uff1f\uff09<\/h3>\n
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GET \/users\/42<\/code><\/li>\nPATCH \/orders\/531\/status<\/code><\/li>\n<\/ul>\n\/users\/{id}<\/code>\u304c\u5e38\u306b\u4e88\u6e2c\u53ef\u80fd\u306a\u30d5\u30a3\u30fc\u30eb\u30c9\u69cb\u6210\u306e\u4e00\u5b9a\u306e\u5305\u307f\uff08\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7\uff09\u3092\u8fd4\u3059\u306a\u3089\u3070\u3001\u76e3\u8996\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306fJSON\u30b9\u30ad\u30fc\u30de\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u6642\u9593\u3001\u8a8d\u8a3c\u6319\u52d5\u3092\u5358\u4e00\u306e\u518d\u5229\u7528\u53ef\u80fd\u306a\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3067\u691c\u8a3c\u3067\u304d\u307e\u3059\u3002<\/p>\nWeb API\u3068\u306f\uff1f<\/h3>\n
\n