{"id":32318,"date":"2026-10-30T16:53:55","date_gmt":"2026-10-30T07:53:55","guid":{"rendered":"https:\/\/motoki-design.co.jp\/wordpress\/?p=32318"},"modified":"2026-10-30T16:53:55","modified_gmt":"2026-10-30T07:53:55","slug":"wordpress-rest-api-error","status":"publish","type":"post","link":"https:\/\/motoki-design.co.jp\/wordpress\/wordpress-rest-api-error\/","title":{"rendered":"WordPress REST API\u30a8\u30e9\u30fc\u306e\u76f4\u3057\u65b9\uff5cJSON\u3068401"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">WordPress\u306eREST API\u30a8\u30e9\u30fc\u306f\u3001\u5fdc\u7b54\u306e\u4e2d\u8eab\u3092\u898b\u308b\u306e\u304c\u8fd1\u9053\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a8\u30c7\u30a3\u30bf\u30fc\u306e\u300c\u8fd4\u7b54\u304c\u6b63\u3057\u3044 JSON \u30ec\u30b9\u30dd\u30f3\u30b9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u300d\u306f\u3001\u5fdc\u7b54\u306bJSON\u4ee5\u5916\u304c\u6df7\u3056\u308b\u3068\u51fa\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u3057\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u30ef\u30fc\u30c9\u3067401\u306b\u306a\u308b\u306a\u3089\u3001\u7591\u3046\u3079\u304d\u306f\u8a8d\u8a3c\u306e\u30d8\u30c3\u30c0\u30fc\u304cPHP\u307e\u3067\u5c4a\u3044\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a8\u30c7\u30a3\u30bf\u30fc\u3067\u4fdd\u5b58\u3067\u304d\u306a\u3044\u65b9\u3084\u3001\u5916\u90e8\u30c4\u30fc\u30eb\u304b\u3089\u3064\u306a\u3052\u306a\u3044\u65b9\u5411\u3051\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u753b\u9762\u3068\u5fdc\u7b54\u306f\u3001\u5f53\u65b9\u306e\u691c\u8a3c\u7528WordPress\uff08WordPress 7.1.4\u3001PHP 8.3\u30012026\u5e7410\u670830\u65e5\uff09\u3067\u518d\u73fe\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ed5\u7d44\u307f\u306e\u89e3\u8aac\u306f<a href=\"https:\/\/motoki-design.co.jp\/wordpress\/wordpress-rest-api-guide\/\">WordPress REST API\u3068\u306f<\/a>\u306b\u4efb\u305b\u3001\u672c\u8a18\u4e8b\u306f\u76f4\u3057\u65b9\u306b\u7d5e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">WordPress REST API\u306e\u30a8\u30e9\u30fc\u3068\u539f\u56e0\u306e\u4e00\u89a7<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u51fa\u3066\u3044\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u3084\u30b3\u30fc\u30c9\u304b\u3089\u3001\u539f\u56e0\u3068\u6700\u521d\u306b\u78ba\u304b\u3081\u308b\u3053\u3068\u3092\u5f15\u3051\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table class=\"has-fixed-layout\"><thead><tr><th style=\"min-width:8em !important\">\u51fa\u3066\u3044\u308b\u75c7\u72b6\u30fb\u30b3\u30fc\u30c9<\/th><th>\u4e3b\u306a\u539f\u56e0<\/th><th>\u6700\u521d\u306b\u78ba\u304b\u3081\u308b\u3053\u3068<\/th><\/tr><\/thead><tbody><tr><td>\u300c\u8fd4\u7b54\u304c\u6b63\u3057\u3044 JSON \u30ec\u30b9\u30dd\u30f3\u30b9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u300d<\/td><td>\u5fdc\u7b54\u306bPHP\u306e\u8b66\u544a\u3084HTML\u304c\u6df7\u3056\u3063\u3066\u3044\u308b<\/td><td>\u958b\u767a\u8005\u30c4\u30fc\u30eb\u3067\u5fdc\u7b54\u306e\u4e2d\u8eab\u3092\u898b\u308b<\/td><\/tr><tr><td>401 rest_not_logged_in\uff08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\uff09<\/td><td>\u8a8d\u8a3c\u306e\u30d8\u30c3\u30c0\u30fc\u304cPHP\u306b\u5c4a\u3044\u3066\u3044\u306a\u3044<\/td><td>.htaccess\u306eHTTP_AUTHORIZATION\u306e1\u884c<\/td><\/tr><tr><td>401 rest_cannot_create<\/td><td>\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u306a\u3044\u3001\u307e\u305f\u306f\u6a29\u9650\u304c\u8db3\u308a\u306a\u3044<\/td><td>\u8a8d\u8a3c\u306e\u65b9\u6cd5\u3068\u30e6\u30fc\u30b6\u30fc\u306e\u6a29\u9650\u30b0\u30eb\u30fc\u30d7<\/td><\/tr><tr><td>403 rest_cookie_invalid_nonce<\/td><td>nonce\uff08\u4f7f\u3044\u6368\u3066\u306e\u5408\u8a00\u8449\uff09\u304c\u53e4\u3044\u304b\u9055\u3046<\/td><td>\u753b\u9762\u3092\u8aad\u307f\u8fbc\u307f\u76f4\u3059\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5bfe\u8c61\u304b\u3089\u5916\u3059<\/td><\/tr><tr><td>403\uff08HTML\u306e\u30a8\u30e9\u30fc\u30da\u30fc\u30b8\uff09<\/td><td>\u30b5\u30fc\u30d0\u30fc\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u304c\u6b62\u3081\u3066\u3044\u308b<\/td><td>\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30e9\u30b0\u30a4\u30f3<\/td><\/tr><tr><td>404 rest_no_route<\/td><td>URL\u304b\u9001\u308a\u65b9\uff08GET\u30fbPOST\uff09\u304c\u9055\u3046\u3001\u30eb\u30fc\u30c8\u3092\u4f5c\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u505c\u6b62\u4e2d<\/td><td>\/wp-json\/ \u306e\u30eb\u30fc\u30c8\u306e\u4e00\u89a7<\/td><\/tr><tr><td>404 rest_post_invalid_id<\/td><td>\u5b58\u5728\u3057\u306a\u3044ID\u3092\u6307\u5b9a\u3057\u3066\u3044\u308b<\/td><td>\u6295\u7a3f\u306eID<\/td><\/tr><tr><td>400 rest_invalid_param<\/td><td>\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u5024\u3084\u578b\u304c\u9055\u3046<\/td><td>\u5fdc\u7b54\u306eparams\u306b\u66f8\u304b\u308c\u305f\u9805\u76ee<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\u30b3\u30fc\u30c9\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u5f53\u65b9\u306e\u691c\u8a3c\u7528WordPress\u3067\u5b9f\u969b\u306b\u8fd4\u3063\u305f\u3082\u306e\uff08HTML\u306e403\u30da\u30fc\u30b8\u3092\u9664\u304f\uff09<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b3\u30fc\u30c9\u306e\u982d\u306e\u6570\u5b57\u3067\u5927\u307e\u304b\u306b\u5206\u304b\u308c\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">400\u306f\u9001\u3063\u305f\u5024\u306e\u8aa4\u308a\u3001401\u306f\u8a8d\u8a3c\u3055\u308c\u3066\u3044\u306a\u3044\u3001403\u306f\u8a8d\u8a3c\u3084\u78ba\u8a8d\u3067\u65ad\u3089\u308c\u305f\u3001404\u306f\u884c\u304d\u5148\u304c\u7121\u3044\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5fdc\u7b54\u306e\u672c\u6587\u304c\u300ccode\u300d\u300cmessage\u300d\u300cdata\u300d\u3092\u6301\u3064JSON\u306a\u3089\u3001WordPress\u307e\u3067\u5c4a\u3044\u305f\u3046\u3048\u3067\u65ad\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6587\u304cHTML\u306e\u30da\u30fc\u30b8\u306a\u3089\u3001\u6b62\u307e\u3063\u305f\u5834\u6240\u306fWordPress\u3088\u308a\u524d\u306e\u30b5\u30fc\u30d0\u30fc\u306e\u6bb5\u968e\u304b\u3001\u58ca\u308c\u305fWordPress\u306e\u5fdc\u7b54\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u65e5\u672c\u8a9e\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u74b0\u5883\u3067\u5909\u308f\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6587\u306f\u3001\u30b5\u30a4\u30c8\u306e\u8a00\u8a9e\u8a2d\u5b9a\u306b\u3088\u3063\u3066\u82f1\u8a9e\u3068\u65e5\u672c\u8a9e\u304c\u5207\u308a\u66ff\u308f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u691c\u7d22\u3059\u308b\u3068\u304d\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6587\u3088\u308a\u3082\u300crest_not_logged_in\u300d\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u306e\u307b\u3046\u304c\u78ba\u5b9f\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u305a\u5fdc\u7b54\u306e\u4e2d\u8eab\u3092\u898b\u308b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a8\u30e9\u30fc\u306e\u8868\u793a\u3060\u3051\u3067\u306f\u539f\u56e0\u304c\u308f\u304b\u3089\u306a\u3044\u306e\u3067\u3001\u6700\u521d\u306b\u5fdc\u7b54\u305d\u306e\u3082\u306e\u3092\u898b\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d6\u30e9\u30a6\u30b6\u30fc\u306e\u958b\u767a\u8005\u30c4\u30fc\u30eb\u3067\u898b\u308b<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n\n<li>\u30a8\u30c7\u30a3\u30bf\u30fc\u306e\u753b\u9762\u3067F12\u30ad\u30fc\u3092\u62bc\u3057\u3001\u958b\u767a\u8005\u30c4\u30fc\u30eb\u3092\u958b\u304f<\/li>\n\n\n<li>\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u300d\uff08Network\uff09\u30bf\u30d6\u3092\u958b\u3044\u305f\u72b6\u614b\u3067\u3001\u3082\u3046\u4e00\u5ea6\u300c\u4fdd\u5b58\u300d\u3092\u62bc\u3059<\/li>\n\n\n<li>\u8d64\u304f\u8868\u793a\u3055\u308c\u305f\u901a\u4fe1\u3084\u3001URL\u306b wp-json \u3092\u542b\u3080\u901a\u4fe1\u3092\u9078\u3076<\/li>\n\n\n<li>\u300c\u30ec\u30b9\u30dd\u30f3\u30b9\u300d\uff08Response\uff09\u30bf\u30d6\u3067\u3001\u8fd4\u3063\u3066\u304d\u305f\u672c\u6587\u306e\u5148\u982d\u3092\u898b\u308b<\/li>\n\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6587\u306e\u5148\u982d\u304c\u300c{\u300d\u3067\u59cb\u307e\u3089\u305a\u3001HTML\u306e\u30bf\u30b0\u3084\u82f1\u8a9e\u306e\u8b66\u544a\u6587\u3067\u59cb\u307e\u3063\u3066\u3044\u308c\u3070\u3001JSON\u304c\u58ca\u308c\u3066\u3044\u308b\u72b6\u614b\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b3\u30de\u30f3\u30c9\u3067\u78ba\u304b\u3081\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5916\u90e8\u306e\u30c4\u30fc\u30eb\u304b\u3089\u3064\u306a\u3050\u5834\u5408\u306f\u3001curl\u3067\u540c\u3058\u8981\u6c42\u3092\u9001\u308b\u3068\u3001\u72b6\u614b\u30b3\u30fc\u30c9\u3068\u672c\u6587\u3092\u307e\u3068\u3081\u3066\u898b\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-bash\"><code>curl -i https:\/\/example.com\/wp-json\/wp\/v2\/users\/me\ncurl -i -u '\u30e6\u30fc\u30b6\u30fc\u540d:\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u30ef\u30fc\u30c9' https:\/\/example.com\/wp-json\/wp\/v2\/users\/me<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">1\u884c\u76ee\u306f\u30ed\u30b0\u30a4\u30f3\u3057\u306a\u3044\u72b6\u614b\u30012\u884c\u76ee\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4ed8\u3051\u305f\u72b6\u614b\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">example.com\u306f\u81ea\u5206\u306e\u30b5\u30a4\u30c8\u306eURL\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u300c\u8fd4\u7b54\u304c\u6b63\u3057\u3044 JSON \u30ec\u30b9\u30dd\u30f3\u30b9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u300d\u306e\u76f4\u3057\u65b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u30a8\u30c7\u30a3\u30bf\u30fc\u304c\u53d7\u3051\u53d6\u3063\u305f\u5fdc\u7b54\u3092JSON\u3068\u3057\u3066\u8aad\u3081\u306a\u304b\u3063\u305f\u3068\u304d\u306b\u51fa\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5f53\u65b9\u306e\u691c\u8a3c\uff1aPHP\u306e\u8b66\u544a\u304c\u5fdc\u7b54\u306e\u5148\u982d\u306b\u6df7\u3056\u3063\u305f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">REST API\u306e\u51e6\u7406\u4e2d\u306bPHP\u306e\u8b66\u544a\uff08Undefined array key\uff09\u3092\u51fa\u3059\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f5c\u308a\u3001\u753b\u9762\u3078\u306e\u30a8\u30e9\u30fc\u8868\u793a\uff08display_errors\uff09\u3092\u6709\u52b9\u306b\u3057\u305f\u72b6\u614b\u3067\u8a66\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d6\u30ed\u30c3\u30af\u30a8\u30c7\u30a3\u30bf\u30fc\u3067\u300c\u4fdd\u5b58\u300d\u3092\u62bc\u3059\u3068\u3001\u753b\u9762\u306e\u4e0a\u306b\u300c\u66f4\u65b0\u306b\u5931\u6557\u3057\u307e\u3057\u305f\u3002\u8fd4\u7b54\u304c\u6b63\u3057\u3044 JSON \u30ec\u30b9\u30dd\u30f3\u30b9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u300d\u3068\u8868\u793a\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-border\"><img decoding=\"async\" width=\"1280\" height=\"800\" src=\"https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/wptrouble-editor-invalid-json.webp\" alt=\"\u30d6\u30ed\u30c3\u30af\u30a8\u30c7\u30a3\u30bf\u30fc\u306e\u4e0a\u90e8\u306b\u300c\u66f4\u65b0\u306b\u5931\u6557\u3057\u307e\u3057\u305f\u3002\u8fd4\u7b54\u304c\u6b63\u3057\u3044JSON\u30ec\u30b9\u30dd\u30f3\u30b9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u300d\u3068\u51fa\u305f\u753b\u9762\" class=\"wp-image-32279\" srcset=\"https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/wptrouble-editor-invalid-json.webp 1280w, https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/wptrouble-editor-invalid-json-382x239.webp 382w, https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/wptrouble-editor-invalid-json-812x508.webp 812w, https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/wptrouble-editor-invalid-json-768x480.webp 768w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><figcaption class=\"wp-element-caption\">PHP\u306e\u8b66\u544a\u304c\u5fdc\u7b54\u306b\u6df7\u3056\u3063\u305f\u3068\u304d\u306e\u30d6\u30ed\u30c3\u30af\u30a8\u30c7\u30a3\u30bf\u30fc\uff082026\u5e7410\u670830\u65e5\u3001\u5f53\u65b9\u306e\u691c\u8a3c\u7528WordPress\u3067\u64ae\u5f71\uff09<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3068\u304d\u306e\u5fdc\u7b54\u306f\u3001JSON\u306e\u524d\u306b\u8b66\u544a\u6587\u306eHTML\u304c\u4ed8\u3044\u305f\u5f62\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>&lt;br \/&gt;\n&lt;b&gt;Warning&lt;\/b&gt;:  Undefined array key \"missing_key\" in \uff08\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\u30fb\u7701\u7565\uff09 on line \uff08\u7701\u7565\uff09&lt;br \/&gt;\n{ \u2026\u3053\u3053\u304b\u3089\u672c\u6765\u306eJSON\u2026 }<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u982d\u306e\u6570\u884c\u304c\u4f59\u8a08\u306a\u3060\u3051\u3067\u3082\u3001\u30a8\u30c7\u30a3\u30bf\u30fc\u306f\u5fdc\u7b54\u5168\u4f53\u3092\u8aad\u3081\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u505c\u6b62\u3059\u308b\u3068\u3001\u540c\u3058\u64cd\u4f5c\u3067\u4fdd\u5b58\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b5\u30a4\u30c8\u30d8\u30eb\u30b9\u306b\u3082\u300cREST API \u3067\u4e88\u671f\u3057\u306a\u3044\u7d50\u679c\u300d\u3068\u51fa\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u3058\u72b6\u614b\u3067\u300c\u30c4\u30fc\u30eb\u300d\u2192\u300c\u30b5\u30a4\u30c8\u30d8\u30eb\u30b9\u300d\u3092\u958b\u304f\u3068\u3001\u304a\u3059\u3059\u3081\u306e\u6539\u5584\u306b\u300cREST API \u3067\u4e88\u671f\u3057\u306a\u3044\u7d50\u679c\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u300d\u304c\u51fa\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-border\"><img decoding=\"async\" width=\"1120\" height=\"310\" src=\"https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/wptrouble-sitehealth-rest.webp\" alt=\"\u30b5\u30a4\u30c8\u30d8\u30eb\u30b9\u306e\u304a\u3059\u3059\u3081\u306e\u6539\u5584\u306b\u300cREST API\u3067\u4e88\u671f\u3057\u306a\u3044\u7d50\u679c\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u300d\u3068\u8868\u793a\u3055\u308c\u305f\u4e00\u89a7\" class=\"wp-image-32288\" srcset=\"https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/wptrouble-sitehealth-rest.webp 1120w, https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/wptrouble-sitehealth-rest-382x106.webp 382w, https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/wptrouble-sitehealth-rest-812x225.webp 812w, https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/wptrouble-sitehealth-rest-768x213.webp 768w\" sizes=\"(max-width: 1120px) 100vw, 1120px\" \/><figcaption class=\"wp-element-caption\">\u30b5\u30a4\u30c8\u30d8\u30eb\u30b9\u306e\u304a\u3059\u3059\u3081\u306e\u6539\u5584\uff082026\u5e7410\u670830\u65e5\u3001\u5f53\u65b9\u306e\u691c\u8a3c\u7528WordPress\u3067\u64ae\u5f71\uff09<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a8\u30c7\u30a3\u30bf\u30fc\u3067\u4fdd\u5b58\u3092\u8a66\u3059\u524d\u306b\u3001\u30b5\u30a4\u30c8\u30d8\u30eb\u30b9\u3067\u6c17\u3065\u3051\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2192 \u95a2\u9023\uff1a<a href=\"https:\/\/motoki-design.co.jp\/wordpress\/wp-site-health\/\">\u30b5\u30a4\u30c8\u30d8\u30eb\u30b9\u306e\u72b6\u614b\u3092\u6539\u5584\u3059\u308b\u65b9\u6cd5<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">WordPress\u306f\u901a\u5e38\u3001JSON\u306e\u8981\u6c42\u3067\u306f\u8b66\u544a\u3092\u8868\u793a\u3057\u306a\u3044<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress\u672c\u4f53\u306f\u3001\u8981\u6c42\u304cJSON\u3092\u6c42\u3081\u3066\u3044\u308b\u3068\u304d\uff08Accept\u3084Content-Type\u306e\u30d8\u30c3\u30c0\u30fc\u304capplication\/json\u306e\u3068\u304d\uff09\u306f\u3001\u753b\u9762\u3078\u306e\u30a8\u30e9\u30fc\u8868\u793a\u3092\u6b62\u3081\u308b\u4f5c\u308a\u306b\u306a\u3063\u3066\u3044\u307e\u3059\uff08wp-includes\/load.php\u306ewp_debug_mode\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d6\u30e9\u30a6\u30b6\u30fc\u3067 \/wp-json\/ \u306eURL\u3092\u76f4\u63a5\u958b\u3044\u305f\u3068\u304d\u306e\u3088\u3046\u306b\u3001JSON\u3092\u6c42\u3081\u306a\u3044\u8981\u6c42\u3067\u306f\u3001\u3053\u306e\u4ed5\u7d44\u307f\u306f\u50cd\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u305f\u3081\u5f53\u65b9\u306e\u691c\u8a3c\u3067\u306f\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u4e2d\u3067\u8868\u793a\u3092\u6709\u52b9\u306b\u623b\u3057\u3066\u3001\u8b66\u544a\u304c\u5fdc\u7b54\u306b\u51fa\u308b\u72b6\u614b\u3092\u4f5c\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u4f53\u306e\u4ed5\u7d44\u307f\u306e\u5916\u3067\u6587\u5b57\u304c\u51fa\u529b\u3055\u308c\u308b\u3068\u3001\u540c\u3058\u3088\u3046\u306bJSON\u304c\u58ca\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30c6\u30fc\u30de\u304c\u3001\u51e6\u7406\u306e\u9014\u4e2d\u3067\u30a8\u30e9\u30fc\u8868\u793a\u3092\u6709\u52b9\u306b\u623b\u3057\u3066\u3044\u308b<\/li>\n\n\n<li>\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30c6\u30fc\u30de\u304c\u3001echo\u306a\u3069\u3067\u4f59\u8a08\u306a\u6587\u5b57\u3092\u51fa\u529b\u3057\u3066\u3044\u308b<\/li>\n\n\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3084\u30b5\u30fc\u30d0\u30fc\u304c\u3001JSON\u306e\u4ee3\u308f\u308a\u306bHTML\u306e\u30a8\u30e9\u30fc\u30da\u30fc\u30b8\u3092\u8fd4\u3057\u3066\u3044\u308b<\/li>\n\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u306e2\u3064\u306f\u5f53\u65b9\u306e\u691c\u8a3c\u3068\u540c\u3058\u300c\u4f59\u8a08\u306a\u51fa\u529b\u300d\u306e\u4ef2\u9593\u3067\u30013\u3064\u76ee\u306f\u5f8c\u306e\u300c403\u300d\u306e\u7bc0\u3067\u6271\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u76f4\u3057\u65b9\u306f\u539f\u56e0\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u6b62\u3081\u3066\u3001\u30a8\u30e9\u30fc\u306f\u30ed\u30b0\u306b\u56de\u3059<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u624b\u304c\u304b\u308a\u306f\u3001\u5fdc\u7b54\u306b\u51fa\u3066\u3044\u308b\u8b66\u544a\u6587\u306e\u4e2d\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u5834\u6240\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d5\u30a1\u30a4\u30eb\u306e\u5834\u6240\u304cwp-content\/plugins\/\u306e\u4e0b\u306a\u3089\u3001\u305d\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u505c\u6b62\u3059\u308b\u304b\u66f4\u65b0\u3057\u3066\u3001\u4fdd\u5b58\u3067\u304d\u308b\u304b\u3092\u78ba\u304b\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u539f\u56e0\u304c\u3059\u3050\u306b\u7d5e\u308c\u306a\u3044\u5834\u5408\u306f\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u7af6\u5408\u3092\u8abf\u3079\u308b\u624b\u9806\u30671\u3064\u305a\u3064\u5207\u308a\u5206\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2192 \u95a2\u9023\uff1a<a href=\"https:\/\/motoki-design.co.jp\/wordpress\/wordpress-plugin-conflict\/\">WordPress\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u7af6\u5408\u306e\u8abf\u3079\u65b9<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a8\u30e9\u30fc\u3092\u753b\u9762\u306b\u51fa\u3055\u305a\u30d5\u30a1\u30a4\u30eb\u306b\u6b8b\u3059\u8a2d\u5b9a\uff08WP_DEBUG_DISPLAY\u3092false\u306b\u3059\u308b\u66f8\u304d\u65b9\uff09\u306f\u3001<a href=\"https:\/\/motoki-design.co.jp\/wordpress\/wordpress-debug-log-without-display\/\">\u30a8\u30e9\u30fc\u30ed\u30b0\u306e\u5834\u6240\u3068\u51fa\u529b\u65b9\u6cd5<\/a>\u3067\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">401\u30a8\u30e9\u30fc\u306e\u76f4\u3057\u65b9\uff08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u30ef\u30fc\u30c9\u30fb\u672a\u30ed\u30b0\u30a4\u30f3\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">401\u306f\u3001WordPress\u304c\u8981\u6c42\u3092\u9001\u3063\u305f\u4eba\u3092\u78ba\u8a8d\u3067\u304d\u306a\u304b\u3063\u305f\u3068\u304d\u306b\u8fd4\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6b63\u3057\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u30ef\u30fc\u30c9\u3067\u3082401\u306b\u306a\u3063\u305f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u65b9\u306e\u691c\u8a3c\u7528WordPress\u306f.htaccess\u3092\u624b\u3067\u66f8\u3044\u3066\u3044\u305f\u305f\u3081\u3001WordPress\u304c\u66f8\u304d\u51fa\u30591\u884c\u304c\u5165\u3063\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u72b6\u614b\u3067\u306f\u3001\u6b63\u3057\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4ed8\u3051\u3066\u3082\u3001\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u306a\u3044\u3068\u304d\u3068\u540c\u3058401\u304c\u8fd4\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code># .htaccess\u306b1\u884c\u304c\u7121\u3044\u3068\u304d\uff08\u6b63\u3057\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u30ef\u30fc\u30c9\uff09\nHTTP 401  {\"code\": \"rest_not_logged_in\", \"message\": \"\u73fe\u5728\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u307e\u305b\u3093\u3002\", \"data\": {\"status\": 401}}\n\n# 1\u884c\u3092\u8db3\u3057\u305f\u5f8c\uff08\u540c\u3058\u30d1\u30b9\u30ef\u30fc\u30c9\uff09\nHTTP 200<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u539f\u56e0\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u30fc\u3084\u30c4\u30fc\u30eb\u304c\u9001\u3063\u305fAuthorization\u30d8\u30c3\u30c0\u30fc\u304c\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u6bb5\u968e\u3067\u843d\u3068\u3055\u308c\u3066PHP\u307e\u3067\u5c4a\u3044\u3066\u3044\u306a\u304b\u3063\u305f\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">.htaccess\u306bHTTP_AUTHORIZATION\u306e1\u884c\u3092\u623b\u3059<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress\u672c\u4f53\u304c\u66f8\u304d\u51fa\u3059.htaccess\u306b\u306f\u3001Authorization\u30d8\u30c3\u30c0\u30fc\u3092\u53d7\u3051\u6e21\u3059\u884c\u304c\u5165\u3063\u3066\u3044\u307e\u3059\uff08wp-includes\/class-wp-rewrite.php\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u8f09\u3063\u3066\u3044\u308b\u6a19\u6e96\u306e.htaccess\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3001RewriteEngine On\u306e\u6b21\u306e\u884c\u304c\u305d\u308c\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-apacheconf\"><code># BEGIN WordPress\n\nRewriteEngine On\nRewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]\nRewriteBase \/\nRewriteRule ^index\\.php$ - [L]\nRewriteCond %{REQUEST_FILENAME} !-f\nRewriteCond %{REQUEST_FILENAME} !-d\nRewriteRule . \/index.php [L]\n\n# END WordPress<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u51fa\u5178\uff1a<a href=\"https:\/\/developer.wordpress.org\/advanced-administration\/server\/web-server\/httpd\/\" target=\"_blank\" rel=\"noopener\">WordPress Developer Resources\u300cApache HTTPD \/ .htaccess\u300d\uff082026\u5e7410\u670830\u65e5\u78ba\u8a8d\uff09<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53e4\u3044\u6642\u671f\u306b\u4f5c\u3063\u305f.htaccess\u3001\u624b\u3067\u66f8\u304d\u76f4\u3057\u305f.htaccess\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u4e0a\u66f8\u304d\u3057\u305f.htaccess\u3067\u306f\u3001\u3053\u306e\u884c\u304c\u629c\u3051\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f8\u304d\u63db\u3048\u308b\u524d\u306b\u3001\u4eca\u306e.htaccess\u3092\u5225\u540d\u3067\u4fdd\u5b58\u3057\u3066\u304a\u304f\u3068\u5b89\u5fc3\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nginx\u306e\u30b5\u30fc\u30d0\u30fc\u3084\u3001\u5225\u306e\u66f8\u304d\u65b9\u3092\u4f7f\u3046\u5834\u5408\u306e\u8a2d\u5b9a\u306f\u3001REST API\u306e\u516c\u5f0fFAQ\u306e\u300cWhy is Authentication not working?\u300d\u306b\u8f09\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u51fa\u5178\uff1a<a href=\"https:\/\/developer.wordpress.org\/rest-api\/frequently-asked-questions\/\" target=\"_blank\" rel=\"noopener\">REST API Handbook\u300cFrequently Asked Questions\u300d\uff082026\u5e7410\u670830\u65e5\u78ba\u8a8d\uff09<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d1\u30b9\u30ef\u30fc\u30c9\u9055\u3044\u3068\u306e\u898b\u5206\u3051\u65b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u308f\u3056\u3068\u9593\u9055\u3048\u305f\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u9001\u308b\u3068\u30011\u884c\u304c\u3042\u308b\u72b6\u614b\u3067\u3082\u7121\u3044\u72b6\u614b\u3067\u3082\u3001\u540c\u3058401 rest_not_logged_in\u304c\u8fd4\u308a\u307e\u3057\u305f\uff08WordPress 7.1.4\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3064\u307e\u308a\u3001\u5fdc\u7b54\u306e\u30b3\u30fc\u30c9\u3060\u3051\u3067\u306f\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u9055\u3044\u3068\u30d8\u30c3\u30c0\u30fc\u304c\u5c4a\u3044\u3066\u3044\u306a\u3044\u72b6\u614b\u3092\u898b\u5206\u3051\u3089\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u4f53\u306e\u30b3\u30fc\u30c9\u306b\u306fincorrect_password\u3068\u3044\u3046\u30a8\u30e9\u30fc\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u691c\u8a3c\u3067\u306fREST API\u306e\u5fdc\u7b54\u306b\u306f\u51fa\u3066\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u767a\u884c\u3057\u76f4\u3057\u3066\u3082401\u304c\u7d9a\u304f\u306a\u3089\u3001\u30d8\u30c3\u30c0\u30fc\u304c\u5c4a\u3044\u3066\u3044\u308b\u304b\u3092\u7591\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ed\u30b0\u30a4\u30f3\u305b\u305a\u306b\u66f8\u304d\u8fbc\u3082\u3046\u3068\u3057\u305f\u5834\u5408\u306e401<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a8d\u8a3c\u3092\u4ed8\u3051\u305a\u306b\u6295\u7a3f\u3092\u4f5c\u308d\u3046\u3068\u3059\u308b\u3068\u3001\u5225\u306e\u30b3\u30fc\u30c9\u306e401\u304c\u8fd4\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>POST \/wp-json\/wp\/v2\/posts\uff08\u8a8d\u8a3c\u306a\u3057\uff09\nHTTP 401  {\"code\": \"rest_cannot_create\", \"message\": \"\u3053\u306e\u30e6\u30fc\u30b6\u30fc\u3068\u3057\u3066\u6295\u7a3f\u3092\u7de8\u96c6\u3059\u308b\u6a29\u9650\u304c\u3042\u308a\u307e\u305b\u3093\u3002\", \"data\": {\"status\": 401}}<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u5834\u5408\u306f\u8a8d\u8a3c\u306e\u4ed8\u3051\u5fd8\u308c\u304b\u3001\u4f7f\u3063\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u6295\u7a3f\u306e\u6a29\u9650\u304c\u7121\u3044\u3053\u3068\u3092\u78ba\u304b\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SWELL\u306e\u95b2\u89a7\u6570\u306e\u8a08\u6e2c\uff08swell-ct-pv\uff09\u3067\u51fa\u308b401\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/motoki-design.co.jp\/wordpress\/swell-rest-api-401-error-fix\/\">SWELL\u306eREST API 401\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3068\u89e3\u6c7a\u65b9\u6cd5<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">403\u30a8\u30e9\u30fc\u306e\u76f4\u3057\u65b9\uff08nonce\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">403\u306f\u3001\u8981\u6c42\u306f\u5c4a\u3044\u305f\u3082\u306e\u306e\u3001\u78ba\u8a8d\u306e\u6bb5\u968e\u3067\u65ad\u3089\u308c\u305f\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u300cCookie \u30c1\u30a7\u30c3\u30af\u5931\u6557\u300d\u306fnonce\u304c\u5408\u3063\u3066\u3044\u306a\u3044<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ed\u30b0\u30a4\u30f3\u3057\u305f\u30d6\u30e9\u30a6\u30b6\u30fc\u304b\u3089\u3001\u8aa4\u3063\u305fX-WP-Nonce\u3092\u4ed8\u3051\u3066\u9001\u308b\u3068\u3001\u6b21\u306e403\u304c\u8fd4\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>HTTP 403  {\"code\": \"rest_cookie_invalid_nonce\", \"message\": \"Cookie \u30c1\u30a7\u30c3\u30af\u5931\u6557\", \"data\": {\"status\": 403}}<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ed\u30b0\u30a4\u30f3\u306eCookie\u3067\u8a8d\u8a3c\u3059\u308b\u5834\u5408\u3001WordPress\u306fnonce\u3068\u3044\u3046\u4f7f\u3044\u6368\u3066\u306e\u5408\u8a00\u8449\u3082\u4e00\u7dd2\u306b\u78ba\u304b\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u3088\u308b\u3068\u3001nonce\u3092\u4ed8\u3051\u305a\u306b\u9001\u3063\u305f\u5834\u5408\u306f\u3001\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u3066\u3082\u672a\u30ed\u30b0\u30a4\u30f3\u306e\u8981\u6c42\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u51fa\u5178\uff1a<a href=\"https:\/\/developer.wordpress.org\/rest-api\/using-the-rest-api\/authentication\/\" target=\"_blank\" rel=\"noopener\">REST API Handbook\u300cAuthentication\u300d\uff082026\u5e7410\u670830\u65e5\u78ba\u8a8d\uff09<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9577\u304f\u958b\u3044\u305f\u307e\u307e\u306e\u753b\u9762\u3084\u3001\u30da\u30fc\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u53e4\u3044nonce\u304c\u6b8b\u3063\u305f\u753b\u9762\u304b\u3089\u9001\u308b\u3068\u3001\u5408\u8a00\u8449\u304c\u5408\u308f\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u753b\u9762\u3092\u8aad\u307f\u8fbc\u307f\u76f4\u3057\u3066\u3082\u7d9a\u304f\u5834\u5408\u306f\u3001\u305d\u306e\u30da\u30fc\u30b8\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5bfe\u8c61\u304b\u3089\u5916\u305b\u308b\u304b\u3092\u78ba\u304b\u3081\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">HTML\u306e403\u30da\u30fc\u30b8\u304c\u8fd4\u308b\u5834\u5408<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5fdc\u7b54\u304cJSON\u3067\u306f\u306a\u304f\u3001\u30b5\u30fc\u30d0\u30fc\u4f1a\u793e\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30e9\u30b0\u30a4\u30f3\u306e403\u30da\u30fc\u30b8\u306a\u3089\u3001WordPress\u3088\u308a\u524d\u306e\u6bb5\u968e\u3067\u6b62\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u78ba\u304b\u3081\u308b\u5834\u6240\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306eWAF\uff08\u653b\u6483\u3092\u9632\u3050\u4ed5\u7d44\u307f\uff09\u3084\u3001REST API\u3092\u5236\u9650\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u8a2d\u5b9a\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u65b9\u306e\u691c\u8a3c\u7528WordPress\u3067\u306f\u3001WAF\u306b\u3088\u308b403\u306f\u518d\u73fe\u3067\u304d\u306a\u304b\u3063\u305f\u305f\u3081\u3001\u3053\u3053\u306f\u4e00\u822c\u7684\u306a\u898b\u65b9\u3068\u3057\u3066\u66f8\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u304a\u3001WordPress\u306e\u516c\u5f0fFAQ\u306b\u3088\u308b\u3068\u3001REST API\u305d\u306e\u3082\u306e\u3092\u6b62\u3081\u308b\u3068\u7ba1\u7406\u753b\u9762\u306e\u6a5f\u80fd\u304c\u4f7f\u3048\u306a\u304f\u306a\u308b\u305f\u3081\u3001\u6b62\u3081\u308b\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">404\u30fb400\u30a8\u30e9\u30fc\u306e\u76f4\u3057\u65b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">404\u3068400\u306f\u3001\u9001\u3063\u305f\u5148\u3084\u5024\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u3068\u304d\u306b\u8fd4\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">rest_no_route\u306fURL\u304b\u9001\u308a\u65b9\u306e\u8aa4\u308a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b58\u5728\u3057\u306a\u3044\u30eb\u30fc\u30c8\u306b\u9001\u308b\u3068\u3001\u6b21\u306e404\u304c\u8fd4\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>GET \/wp-json\/wp\/v2\/nothing-here\nHTTP 404  {\"code\": \"rest_no_route\", \"message\": \"URL \u3068\u30ea\u30af\u30a8\u30b9\u30c8\u30e1\u30bd\u30c3\u30c9\u306b\u4e00\u81f4\u3059\u308b\u30eb\u30fc\u30c8\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\", \"data\": {\"status\": 404}}<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">URL\u306e\u7db4\u308a\u306e\u307b\u304b\u3001GET\u3068POST\u306e\u53d6\u308a\u9055\u3048\u3067\u3082\u540c\u3058\u30b3\u30fc\u30c9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u8ffd\u52a0\u3057\u305f\u30eb\u30fc\u30c8\u306a\u3089\u3001\u305d\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u505c\u6b62\u3057\u3066\u3044\u306a\u3044\u304b\u3082\u78ba\u304b\u3081\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\/wp-json\/ \u81ea\u4f53\u304c404\u306b\u306a\u308b\u5834\u5408<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\/wp-json\/ \u3092\u958b\u3044\u3066\u3082HTML\u306e404\u30da\u30fc\u30b8\u306b\u306a\u308b\u5834\u5408\u306f\u3001\u30d1\u30fc\u30de\u30ea\u30f3\u30af\u306e\u8a2d\u5b9a\u304b\u30b5\u30fc\u30d0\u30fc\u306e\u66f8\u304d\u63db\u3048\u306e\u8a2d\u5b9a\u3092\u7591\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u6848\u5185\u3057\u3066\u3044\u308b\u306e\u306f\u3001\u3053\u306e\u5834\u5408\u306b ?rest_route=\/ \u306e\u5f62\u3067URL\u3092\u6307\u5b9a\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>https:\/\/example.com\/?rest_route=\/<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3061\u3089\u3067\u5fdc\u7b54\u304c\u8fd4\u308b\u306a\u3089\u3001REST API\u81ea\u4f53\u306f\u52d5\u3044\u3066\u3044\u3066\u3001URL\u306e\u66f8\u304d\u63db\u3048\u3060\u3051\u304c\u6b62\u307e\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u51fa\u5178\uff1a<a href=\"https:\/\/developer.wordpress.org\/rest-api\/key-concepts\/\" target=\"_blank\" rel=\"noopener\">REST API Handbook\u300cKey Concepts\u300d\uff082026\u5e7410\u670830\u65e5\u78ba\u8a8d\uff09<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ID\u3084\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u8aa4\u308a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b58\u5728\u3057\u306a\u3044\u6295\u7a3fID\u3084\u3001\u578b\u306e\u9055\u3046\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u9001\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306b\u8fd4\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>GET \/wp-json\/wp\/v2\/posts\/999999\nHTTP 404  {\"code\": \"rest_post_invalid_id\", \"message\": \"\u7121\u52b9\u306a\u6295\u7a3f ID \u3067\u3059\u3002\", \"data\": {\"status\": 404}}\n\nGET \/wp-json\/wp\/v2\/posts?per_page=abc\nHTTP 400  {\"code\": \"rest_invalid_param\", \"message\": \"\u7121\u52b9\u306a\u30d1\u30e9\u30e1\u30fc\u30bf: per_page\", \u2026}<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">400\u306e\u5fdc\u7b54\u306b\u306f\u3001\u3069\u306e\u9805\u76ee\u304c\u3069\u3046\u9055\u3046\u304b\u304c\u300cparams\u300d\u306b\u66f8\u304b\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u306e\u9805\u76ee\u3092\u76f4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u76f4\u3057\u305f\u5f8c\u306b\u78ba\u304b\u3081\u308b\u3053\u3068<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5fdc\u7b54\u3068\u30a8\u30c7\u30a3\u30bf\u30fc\u3067\u78ba\u304b\u3081\u308b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>\/wp-json\/ \u3092\u958b\u3044\u3066\u3001JSON\u306e\u4e00\u89a7\u304c\u8fd4\u308b<\/li>\n\n\n<li>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4ed8\u3051\u305f \/wp-json\/wp\/v2\/users\/me \u304c200\u3092\u8fd4\u3059<\/li>\n\n\n<li>\u30d6\u30ed\u30c3\u30af\u30a8\u30c7\u30a3\u30bf\u30fc\u3067\u300c\u4fdd\u5b58\u300d\u3092\u62bc\u3057\u3066\u3001\u30a8\u30e9\u30fc\u304c\u51fa\u306a\u3044<\/li>\n\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5916\u90e8\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30c4\u30fc\u30eb\u306e\u5074\u304b\u3089\u30821\u56de\u3064\u306a\u3044\u3067\u78ba\u304b\u3081\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b5\u30a4\u30c8\u30d8\u30eb\u30b9\u306e\u8868\u793a\u304c\u6d88\u3048\u305f\u304b\u3092\u898b\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u30c4\u30fc\u30eb\u300d\u2192\u300c\u30b5\u30a4\u30c8\u30d8\u30eb\u30b9\u300d\u3067\u3001REST API\u306e\u9805\u76ee\u304c\u304a\u3059\u3059\u3081\u306e\u6539\u5584\u304b\u3089\u6d88\u3048\u305f\u304b\u3092\u78ba\u304b\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30d0\u30c3\u30b0\u306e\u305f\u3081\u306b\u753b\u9762\u3078\u306e\u8868\u793a\u3092\u6709\u52b9\u306b\u3057\u3066\u3044\u305f\u5834\u5408\u306f\u3001\u5143\u306b\u623b\u3059\u306e\u3092\u5fd8\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress\u306eREST API\u30a8\u30e9\u30fc\u306f\u3001\u958b\u767a\u8005\u30c4\u30fc\u30eb\u304bcurl\u3067\u5fdc\u7b54\u306e\u4e2d\u8eab\u3092\u898b\u308b\u3068\u3053\u308d\u304b\u3089\u59cb\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u8fd4\u7b54\u304c\u6b63\u3057\u3044 JSON \u30ec\u30b9\u30dd\u30f3\u30b9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u300d\u306f\u3001\u5fdc\u7b54\u306e\u5148\u982d\u306b\u8b66\u544a\u6587\u3084HTML\u304c\u6df7\u3056\u3063\u3066\u3044\u306a\u3044\u304b\u3092\u898b\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u3057\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u30ef\u30fc\u30c9\u3067401\u306b\u306a\u308b\u5834\u5408\u306b\u78ba\u304b\u3081\u308b\u306e\u306f\u3001.htaccess\u306eHTTP_AUTHORIZATION\u306e1\u884c\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">403\u3068404\u306f\u3001\u5fdc\u7b54\u304cJSON\u304bHTML\u304b\u3067\u3001WordPress\u306e\u4e2d\u3067\u65ad\u3089\u308c\u305f\u306e\u304b\u3001\u305d\u306e\u624b\u524d\u3067\u6b62\u307e\u3063\u305f\u306e\u304b\u3092\u5206\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">AI\u306e\u30c4\u30fc\u30eb\u304b\u3089\u3064\u306a\u3050\u65b9\u6cd5\u306e\u9055\u3044\u306f\u3001<a href=\"https:\/\/motoki-design.co.jp\/wordpress\/wordpress-ai-connection-methods\/\">WordPress\u3068AI\u3092\u63a5\u7d9a\u3059\u308b\u65b9\u6cd5\u307e\u3068\u3081<\/a>\u3067\u6bd4\u3079\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u81ea\u5206\u3067\u5207\u308a\u5206\u3051\u3066\u3082\u539f\u56e0\u304c\u308f\u304b\u3089\u306a\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/motoki-design.co.jp\/service\/\">WordPress\u306e\u4fdd\u5b88\u30fb\u904b\u7528\u6539\u5584\u306e\u3054\u76f8\u8ac7\uff08MOTOKI\uff09<\/a>\u3082\u627f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>WordPress\u306eREST API\u30a8\u30e9\u30fc\u3092\u5fdc\u7b54\u306e\u30b3\u30fc\u30c9\u5225\u306b\u76f4\u3059\u624b\u9806\u3002PHP\u306e\u8b66\u544a\u304c\u6df7\u3056\u3063\u3066JSON\u304c\u58ca\u308c\u308b\u4f8b\u3068\u3001.htaccess\u306e1\u884c\u3067\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u30ef\u30fc\u30c9\u304c401\u306b\u306a\u308b\u4f8b\u3092\u691c\u8a3c\u7528\u306eWordPress\u3067\u518d\u73fe\u3057\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"author":1,"featured_media":32320,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","book_review_data":"","footnotes":"","ssp_meta_title":"WordPress REST API\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3068\u76f4\u3057\u65b9","ssp_meta_description":"WordPress\u306eREST API\u30a8\u30e9\u30fc\u3092\u3001\u5fdc\u7b54\u306e\u30b3\u30fc\u30c9\u304b\u3089\u539f\u56e0\u5225\u306b\u76f4\u3059\u624b\u9806\u3067\u3059\u3002\u30a8\u30c7\u30a3\u30bf\u30fc\u306e\u300c\u8fd4\u7b54\u304c\u6b63\u3057\u3044JSON\u30ec\u30b9\u30dd\u30f3\u30b9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u300d\u3068\u3001\u6b63\u3057\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u30ef\u30fc\u30c9\u3067\u306e401\u3092\u3001\u691c\u8a3c\u7528\u306eWordPress\u3067\u518d\u73fe\u3057\u307e\u3057\u305f\u3002"},"categories":[102],"tags":[],"area":[],"class_list":["post-32318","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-troubleshooting"],"_links":{"self":[{"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/posts\/32318","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/comments?post=32318"}],"version-history":[{"count":2,"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/posts\/32318\/revisions"}],"predecessor-version":[{"id":32325,"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/posts\/32318\/revisions\/32325"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/media\/32320"}],"wp:attachment":[{"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/media?parent=32318"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/categories?post=32318"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/tags?post=32318"},{"taxonomy":"area","embeddable":true,"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/area?post=32318"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}