{"id":19144,"date":"2025-06-09T13:30:36","date_gmt":"2025-06-09T04:30:36","guid":{"rendered":"https:\/\/sendgrid.kke.co.jp\/blog\/?p=19144"},"modified":"2025-06-09T13:20:48","modified_gmt":"2025-06-09T04:20:48","slug":"twilio-sendgrid%e3%83%a9%e3%82%a4%e3%83%96%e3%83%a9%e3%83%aa%e3%81%a7%e9%80%81%e4%bf%a1%e3%83%aa%e3%82%af%e3%82%a8%e3%82%b9%e3%83%88%e3%81%a8%e3%83%ac%e3%82%b9%e3%83%9d%e3%83%b3%e3%82%b9%e3%82%92-3","status":"publish","type":"post","link":"https:\/\/sendgrid.kke.co.jp\/blog\/?p=19144","title":{"rendered":"Twilio SendGrid\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5 \uff5eC#\u7de8\uff5e"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2025\/06\/20250609_blog.png\" alt=\"Twilio SendGrid\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5 \uff5eC#\u7de8\uff5e\" width=\"100%\" class=\"aligncenter size-full wp-image-19145\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2025\/06\/20250609_blog.png 650w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2025\/06\/20250609_blog-300x185.png 300w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2025\/06\/20250609_blog-225x139.png 225w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/p>\n<p>\u30e1\u30fc\u30eb\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5b9f\u884c\u3057\u305f\u306e\u306b\u3001<a href=\"https:\/\/sendgrid.kke.co.jp\/docs\/Tutorials\/C_Manage_Events\/using_activity.html\" rel=\"noopener\" target=\"_blank\">Activity<\/a>\u3084<a href=\"https:\/\/sendgrid.kke.co.jp\/docs\/Tutorials\/C_Manage_Events\/using_event_webhook.html\" rel=\"noopener\" target=\"_blank\">Event Webhook<\/a>\u306b\u30a4\u30d9\u30f3\u30c8\u304c\u8a18\u9332\u3055\u308c\u3066\u3044\u306a\u3044\uff01\u3068\u3044\u3046\u7d4c\u9a13\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1f\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u306a\u3044\u4e3b\u306a\u539f\u56e0\u3068\u3057\u3066\u3001Twilio SendGrid\u306b\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u5c4a\u3044\u3066\u3044\u306a\u3044\u53ef\u80fd\u6027\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u969b\u306b\u539f\u56e0\u3092\u3057\u3063\u304b\u308a\u7279\u5b9a\u3067\u304d\u308b\u3088\u3046\u3001\u5b9f\u969b\u306b\u9001\u3063\u305fJSON\u5f62\u5f0f\u306e\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u305d\u306eHTTP\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u30ed\u30b0\u306b\u51fa\u529b\u3059\u308b\u3088\u3046\u5fc3\u304c\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>SMTP\u3084Web API\u3067\u9001\u4fe1\u3059\u308b\u5834\u5408\u306f\u3001Telnet\u3084cURL\u306a\u3069\u306e\u30c4\u30fc\u30eb\u306b\u3088\u3063\u3066\u7c21\u5358\u306b\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u304c\u53d6\u5f97\u3067\u304d\u308b\u306e\u3067\u3001<a href=\"https:\/\/sendgrid.kke.co.jp\/docs\/Tutorials\/A_Transaction_Mail\/send_transaction_mail.html\" rel=\"noopener\" target=\"_blank\">\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<\/a>\u3092\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002\u4eca\u56de\u306e\u30d6\u30ed\u30b0\u3067\u306f\u3001<a href=\"https:\/\/github.com\/sendgrid\/sendgrid-csharp\" rel=\"noopener\" target=\"_blank\">C#\u5411\u3051\u306eSendGrid\u30e9\u30a4\u30d6\u30e9\u30ea<\/a>\uff08\u4ee5\u964d\u3001sendgrid-csharp\u3068\u8868\u8a18\uff09\u306b\u304a\u3051\u308b\u53d6\u5f97\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u3001Microsoft\u304c\u63d0\u4f9b\u3057\u3066\u3044\u308b<a href=\"https:\/\/hub.docker.com\/r\/microsoft\/dotnet\" rel=\"noopener\" target=\"_blank\">Docker\u30a4\u30e1\u30fc\u30b8<\/a>\u306edotnet\/sdk\u3092\u4f7f\u3044\u3001.NET 9\uff08<a href=\"https:\/\/dotnet.microsoft.com\/ja-jp\/platform\/support\/policy\/dotnet-core\" rel=\"noopener\" target=\"_blank\">9.0.5<\/a>\uff09\u306e\u74b0\u5883\u3067\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002\u30e9\u30a4\u30d6\u30e9\u30ea\u306fsendgrid-csharp\u306e\u4ed6\u3001.env\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u74b0\u5883\u5909\u6570\u3092\u8aad\u307f\u8fbc\u3080\u305f\u3081\u306b<a href=\"https:\/\/github.com\/tonerdo\/dotnet-env\" rel=\"noopener\" target=\"_blank\">DotNetEnv<\/a>\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>sendgrid-csharp\u3092\u4f7f\u3063\u305f\u9001\u4fe1\u51e6\u7406\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9<\/h3>\n<p>sendgrid-csharp\u306b\u304a\u3051\u308b\u9001\u4fe1\u51e6\u7406\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\nusing SendGrid;\r\nusing SendGrid.Helpers.Mail;\r\nusing System.Text.Json;\r\nusing System.Text.Json.Serialization;\r\nusing System.Text.Unicode;\r\nusing System.Text.Encodings.Web;\r\n\r\n\/\/\u74b0\u5883\u5909\u6570\u306e\u8aad\u307f\u8fbc\u307f\r\nDotNetEnv.Env.Load();\r\n\r\nvar \u9001\u4fe1 = new SendGridClient(DotNetEnv.Env.GetString(&quot;SG_API_KEY&quot;));\r\n\r\n\/\/\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\r\nvar \u30e1\u30fc\u30eb = new SendGridMessage()\r\n        {\r\n            From = new EmailAddress(&quot;kozohanako@example.com&quot;, &quot;\u69cb\u9020\u82b1\u5b50&quot;),\r\n            Subject = &quot;C#\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3063\u305f\u30e1\u30fc\u30eb\u9001\u4fe1&quot;,\r\n            PlainTextContent =\r\n                &quot;&quot;&quot;\r\n                \u69cb\u9020\u3055\u3093\r\n                \u304a\u5143\u6c17\u3067\u3059\u304b\u3002\r\n                &quot;&quot;&quot;,\r\n            HtmlContent =\r\n                &quot;&quot;&quot;\r\n                &lt;!DOCTYPE html PUBLIC &quot;-\/\/W3C\/\/DTD XHTML 1.0 Strict\/\/EN&quot; &quot;http:\/\/www.w3.org\/TR\/xhtml1\/DTD\/xhtml1-strict.dtd&quot;&gt;\r\n                &lt;html xmlns=&quot;http:\/\/www.w3.org\/1999\/xhtml&quot;&gt;\r\n                &lt;head&gt;\r\n                    &lt;meta http-equiv=&quot;Content-Type&quot; content=&quot;text\/html; charset=utf-8&quot;&gt;\r\n                    &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1&quot;&gt;\r\n                &lt;\/head&gt;\r\n                &lt;body&gt;\r\n                    &lt;p&gt;\u69cb\u9020\u3055\u3093&lt;\/p&gt;\r\n                    &lt;p&gt;\u304a\u5143\u6c17\u3067\u3059\u304b\u3002&lt;\/p&gt;\r\n                &lt;\/body&gt;\r\n                &quot;&quot;&quot;\r\n        };\r\n\r\n\/\/\u5b9b\u5148\r\n\u30e1\u30fc\u30eb.AddTo(new EmailAddress(&quot;kozotaro@example.com&quot;, &quot;\u69cb\u9020\u592a\u90ce&quot;));\r\n\r\n\/\/\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u51fa\u529b\r\nvar options = new JsonSerializerOptions\r\n{\r\n    Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping,\r\n    DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,\r\n    WriteIndented = true\r\n};\r\nConsole.WriteLine(JsonSerializer.Serialize(\u30e1\u30fc\u30eb, options));\r\n\r\n\/\/\u30e1\u30fc\u30eb\u9001\u4fe1\r\nvar \u30ec\u30b9\u30dd\u30f3\u30b9\u30c7\u30fc\u30bf = await \u9001\u4fe1.SendEmailAsync(\u30e1\u30fc\u30eb).ConfigureAwait(false);\r\n\r\n\/\/\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u51fa\u529b\r\nConsole.WriteLine(\u30ec\u30b9\u30dd\u30f3\u30b9\u30c7\u30fc\u30bf.StatusCode);\r\nConsole.WriteLine(\u30ec\u30b9\u30dd\u30f3\u30b9\u30c7\u30fc\u30bf.Headers.ToString());\r\nConsole.WriteLine(\u30ec\u30b9\u30dd\u30f3\u30b9\u30c7\u30fc\u30bf.Body.ReadAsStringAsync().Result);\r\n\r\n<\/pre>\n<p>dotnet\u30b3\u30de\u30f3\u30c9\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001sendgrid-csharp\u304cSendGrid\u306eAPI\u3092\u4f7f\u3063\u3066\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; title: ; notranslate\" title=\"\">\r\ndotnet run\r\n<\/pre>\n<p>\u305d\u308c\u3067\u306f\u3001\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u53d6\u5f97\u3059\u308b\u90e8\u5206\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u53d6\u5f97\u65b9\u6cd5<\/h3>\n<p>\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u306fSendGridMessage\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092JSON\u306b\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3059\u308b\u3068\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\n\/\/\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u51fa\u529b\r\nvar options = new JsonSerializerOptions\r\n{\r\n    Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping,\r\n    DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,\r\n    WriteIndented = true\r\n};\r\nConsole.WriteLine(JsonSerializer.Serialize(\u30e1\u30fc\u30eb, options));\r\n<\/pre>\n<p>\u6307\u5b9a\u3057\u305f\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u306f\u305d\u308c\u305e\u308c\u6b21\u306e\u610f\u5473\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping<br \/>\n\t\t\u30a8\u30b9\u30b1\u30fc\u30d7\u51e6\u7406\u3092\u6700\u5c0f\u9650\u306b\u3057\u3066\u3001\u6587\u5b57\u5316\u3051\u306a\u3069\u3092\u9632\u304e\u307e\u3059\uff08<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/dotnet\/standard\/serialization\/system-text-json\/character-encoding#serialize-all-characters\" rel=\"noopener\" target=\"_blank\">\u53c2\u8003<\/a>\uff09<\/li>\n<li>DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull<br \/>\n\t\t\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u306e\u969b\u3001\u5024\u304cnull\u306e\u5c5e\u6027\u306f\u51fa\u529b\u5bfe\u8c61\u304b\u3089\u9664\u5916\u3057\u307e\u3059<\/li>\n<li>WriteIndented = true<br \/>\n\t\t\u30a4\u30f3\u30c7\u30f3\u30c8\u3092\u6574\u3048\u307e\u3059<\/li>\n<\/ul>\n<p>\u51fa\u529b\u7d50\u679c\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\n{\r\n  &quot;From&quot;: {\r\n    &quot;Name&quot;: &quot;\u69cb\u9020\u82b1\u5b50&quot;,\r\n    &quot;Email&quot;: &quot;kozohanako@example.com&quot;\r\n  },\r\n  &quot;Subject&quot;: &quot;C#\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3063\u305f\u30e1\u30fc\u30eb\u9001\u4fe1&quot;,\r\n  &quot;Personalizations&quot;: &#x5B;\r\n    {\r\n      &quot;Tos&quot;: &#x5B;\r\n        {\r\n          &quot;Name&quot;: &quot;\u69cb\u9020\u592a\u90ce&quot;,\r\n          &quot;Email&quot;: &quot;kozotaro@example.com&quot;\r\n        }\r\n      ]\r\n    }\r\n  ],\r\n  &quot;PlainTextContent&quot;: &quot;\u69cb\u9020\u3055\u3093\\n\u304a\u5143\u6c17\u3067\u3059\u304b\u3002&quot;,\r\n  &quot;HtmlContent&quot;: &quot;&lt;!DOCTYPE html PUBLIC \\&quot;-\/\/W3C\/\/DTD XHTML 1.0 Strict\/\/EN\\&quot; \\&quot;http:\/\/www.w3.org\/TR\/xhtml1\/DTD\/xhtml1-strict.dtd\\&quot;&gt;\\n&lt;html xmlns=\\&quot;http:\/\/www.w3.org\/1999\/xhtml\\&quot;&gt;\\n&lt;head&gt;\\n    &lt;meta http-equiv=\\&quot;Content-Type\\&quot; content=\\&quot;text\/html; charset=utf-8\\&quot;&gt;\\n    &lt;meta name=\\&quot;viewport\\&quot; content=\\&quot;width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1\\&quot;&gt;\\n&lt;\/head&gt;\\n&lt;body&gt;\\n    &lt;p&gt;\u69cb\u9020\u3055\u3093&lt;\/p&gt;\\n    &lt;p&gt;\u304a\u5143\u6c17\u3067\u3059\u304b\u3002&lt;\/p&gt;\\n&lt;\/body&gt;&quot;\r\n}\r\n<\/pre>\n<p>\u7d9a\u3044\u3066\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u53d6\u5f97\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u53d6\u5f97\u65b9\u6cd5<\/h3>\n<p>\u30ec\u30b9\u30dd\u30f3\u30b9\u306fSendEmailAsync\u30e1\u30bd\u30c3\u30c9\u306e\u623b\u308a\u5024\u304b\u3089\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\n\/\/\u30e1\u30fc\u30eb\u9001\u4fe1\r\nvar \u30ec\u30b9\u30dd\u30f3\u30b9\u30c7\u30fc\u30bf = await \u9001\u4fe1.SendEmailAsync(\u30e1\u30fc\u30eb).ConfigureAwait(false);\r\n\r\n\/\/\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u51fa\u529b\r\nConsole.WriteLine(\u30ec\u30b9\u30dd\u30f3\u30b9\u30c7\u30fc\u30bf.StatusCode);\r\nConsole.WriteLine(\u30ec\u30b9\u30dd\u30f3\u30b9\u30c7\u30fc\u30bf.Headers.ToString());\r\nConsole.WriteLine(\u30ec\u30b9\u30dd\u30f3\u30b9\u30c7\u30fc\u30bf.Body.ReadAsStringAsync().Result);\r\n<\/pre>\n<p>\u767a\u751f\u3057\u305f\u554f\u984c\u306e\u539f\u56e0\u3092\u7279\u5b9a\u3059\u308b\u969b\u3001\u7279\u306b\u5927\u4e8b\u306a\u306e\u306f\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3068\u30dc\u30c7\u30a3\u306e\u60c5\u5831\u3067\u3059\u3002\u6b63\u5e38\u5fdc\u7b54\uff08\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u304cAccepted\uff09\u3067\u3042\u308c\u3070\u3001SendGrid\u306b\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u5c4a\u3044\u3066\u3044\u307e\u3059\u3002\u30ec\u30b9\u30dd\u30f3\u30b9\u304c\u30a8\u30e9\u30fc\u306e\u5834\u5408\uff08\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u304cAccepted\u4ee5\u5916\uff09\u306f\u3001SendGrid\u306b\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u5c4a\u3044\u3066\u3044\u306a\u3044\u3001\u3082\u3057\u304f\u306f\u53d7\u3051\u4ed8\u3051\u3089\u308c\u3066\u3044\u306a\u3044\u306e\u3067\u3001body\u306e\u300cerrors\u300d\u3067\u793a\u3055\u308c\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u3082\u3068\u306b\u539f\u56e0\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h4>\u6b63\u5e38\u5fdc\u7b54\u306e\u5834\u5408<\/h4>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\nAccepted\r\n\r\nServer: nginx\r\nDate: Thu, 29 May 2025 01:48:47 GMT\r\nConnection: keep-alive\r\nX-Message-Id: z3hDxrXgSgKzwsTiuegjCg\r\nAccess-Control-Allow-Origin: https:\/\/sendgrid.api-docs.io\r\nAccess-Control-Allow-Methods: POST\r\nAccess-Control-Allow-Headers: Authorization, Content-Type, On-behalf-of, x-sg-elas-acl\r\nAccess-Control-Max-Age: 600\r\nX-No-CORS-Reason: https:\/\/sendgrid.com\/docs\/Classroom\/Basics\/API\/cors.html\r\nStrict-Transport-Security: max-age=31536000; includeSubDomains\r\nContent-Security-Policy: frame-ancestors 'none'\r\nCache-Control: no-cache\r\nX-Content-Type-Options: no-sniff\r\nReferrer-Policy: strict-origin-when-cross-origin\r\n<\/pre>\n<h4>\u30a8\u30e9\uff0d\u306e\u5834\u5408\uff08\u6b63\u3057\u304f\u306a\u3044\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u5f62\u5f0f\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\uff09<\/h4>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\nBadRequest\r\n\r\nServer: nginx\r\nDate: Thu, 29 May 2025 01:54:48 GMT\r\nConnection: keep-alive\r\nAccess-Control-Allow-Origin: https:\/\/sendgrid.api-docs.io\r\nAccess-Control-Allow-Methods: POST\r\nAccess-Control-Allow-Headers: Authorization, Content-Type, On-behalf-of, x-sg-elas-acl\r\nAccess-Control-Max-Age: 600\r\nX-No-CORS-Reason: https:\/\/sendgrid.com\/docs\/Classroom\/Basics\/API\/cors.html\r\nStrict-Transport-Security: max-age=31536000; includeSubDomains\r\nContent-Security-Policy: frame-ancestors 'none'\r\nCache-Control: no-cache\r\nX-Content-Type-Options: no-sniff\r\nReferrer-Policy: strict-origin-when-cross-origin\r\n\r\n{&quot;errors&quot;:&#x5B;{&quot;message&quot;:&quot;Does not contain a valid address.&quot;,&quot;field&quot;:&quot;personalizations.0.to.0.email&quot;,&quot;help&quot;:&quot;http:\/\/sendgrid.com\/docs\/API_Reference\/Web_API_v3\/Mail\/errors.html#message.personalizations.to&quot;}]}\r\n<\/pre>\n<h4>\u30a8\u30e9\uff0d\u306e\u5834\u5408\uff08\u7121\u52b9\u306a\u8a8d\u8a3c\u60c5\u5831\u304c\u6307\u5b9a\u3055\u308c\u305f\u5834\u5408\uff09<\/h4>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\nUnauthorized\r\n\r\nServer: nginx\r\nDate: Thu, 29 May 2025 22:36:01 GMT\r\nConnection: keep-alive\r\nAccess-Control-Allow-Origin: https:\/\/sendgrid.api-docs.io\r\nAccess-Control-Allow-Methods: POST\r\nAccess-Control-Allow-Headers: Authorization, Content-Type, On-behalf-of, x-sg-elas-acl\r\nAccess-Control-Max-Age: 600\r\nX-No-CORS-Reason: https:\/\/sendgrid.com\/docs\/Classroom\/Basics\/API\/cors.html\r\nStrict-Transport-Security: max-age=31536000; includeSubDomains\r\nContent-Security-Policy: frame-ancestors 'none'\r\nCache-Control: no-cache\r\nX-Content-Type-Options: no-sniff\r\nReferrer-Policy: strict-origin-when-cross-origin\r\n\r\n{&quot;errors&quot;:&#x5B;{&quot;message&quot;:&quot;The provided authorization grant is invalid, expired, or revoked&quot;,&quot;field&quot;:null,&quot;help&quot;:null}]}\r\n<\/pre>\n<p>\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u30a8\u30e9\u30fc\u304c\u8fd4\u308b\u5834\u5408\u306f\u3001\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u8aa4\u308a\u304c\u306a\u3044\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u6b63\u5e38\u306b\u53d7\u3051\u4ed8\u3051\u3089\u308c\u305f\u304c\u30e1\u30fc\u30eb\u3078\u306e<a href=\"https:\/\/sendgrid.kke.co.jp\/docs\/Tutorials\/A_Transaction_Mail\/send_with_substitution.html\" rel=\"noopener\" target=\"_blank\">\u5dee\u3057\u8fbc\u307f<\/a>\u304c\u3046\u307e\u304f\u3044\u304b\u306a\u3044\u3001\u6307\u5b9a\u3057\u305f<a href=\"https:\/\/sendgrid.kke.co.jp\/docs\/Tutorials\/A_Transaction_Mail\/using_dynamic_templates.html\" rel=\"noopener\" target=\"_blank\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/a>\u304c\u53cd\u6620\u3055\u308c\u306a\u3044\u306a\u3069\u3001\u304a\u56f0\u308a\u306e\u5834\u5408\u306f\u3001\u5f0a\u793e\u30b5\u30dd\u30fc\u30c8\u30c1\u30fc\u30e0\u304c\u30d5\u30a9\u30ed\u30fc\u3044\u305f\u3057\u307e\u3059\u3002\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u3001\u53d7\u4fe1\u30e1\u30fc\u30eb\u3092\u6dfb\u3048\u3066<a href=\"https:\/\/support.sendgrid.kke.co.jp\/hc\/ja\/requests\/new\" rel=\"noopener\" target=\"_blank\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a>\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u30b3\u30fc\u30c9\u306e\u518d\u78ba\u8a8d\u3092\u3057\u307e\u3057\u3087\u3046<\/h3>\n<p>SendGrid\u3067\u306f\u9001\u4fe1\u5f8c\u306e\u72b6\u6cc1\u3092Activity\u3084Event Webhook\u3067\u78ba\u8a8d\u3067\u304d\u308b\u305f\u3081\u3001\u305d\u306e\u624b\u524d\u306e\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u3084\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u30ed\u30b0\u51fa\u529b\u3092\u5fd8\u308c\u304c\u3061\u3067\u3059\u3002\u4eca\u56de\u306e\u30d6\u30ed\u30b0\u3092\u304d\u3063\u304b\u3051\u306b\u3001\u3057\u3063\u304b\u308a\u30ed\u30b0\u51fa\u529b\u3067\u304d\u3066\u3044\u308b\u304b\u3054\u81ea\u8eab\u306e\u30b3\u30fc\u30c9\u3092\u3082\u3046\u4e00\u5ea6\u898b\u76f4\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30e1\u30fc\u30eb\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5b9f\u884c\u3057\u305f\u306e\u306b\u3001Activity\u3084Event Webhook\u306b\u30a4\u30d9\u30f3\u30c8\u304c\u8a18\u9332\u3055\u308c\u3066\u3044\u306a\u3044\uff01\u3068\u3044\u3046\u7d4c\u9a13\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1f\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u306a\u3044\u4e3b\u306a\u539f\u56e0\u3068\u3057\u3066\u3001Twilio SendGrid\u306b\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u304c <a class=\"read-more\" href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=19144\">&#8230;\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":2,"featured_media":19145,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11,8],"tags":[],"class_list":["post-19144","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical","category-product"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/19144","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=19144"}],"version-history":[{"count":6,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/19144\/revisions"}],"predecessor-version":[{"id":19153,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/19144\/revisions\/19153"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/media\/19145"}],"wp:attachment":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=19144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=19144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=19144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}