ActivityPub Viewer

A small tool to view real-world ActivityPub objects as JSON! Enter a URL or username from Mastodon or a similar service below, and we'll send a request with the right Accept header to the server to view the underlying object.

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{ "@context": [ "https://www.w3.org/ns/activitystreams", { "ostatus": "http://ostatus.org#", "atomUri": "ostatus:atomUri", "inReplyToAtomUri": "ostatus:inReplyToAtomUri", "conversation": "ostatus:conversation", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#", "votersCount": "toot:votersCount", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://366.koyomi.online/users/matsbox/collections/featured", "type": "OrderedCollection", "totalItems": 3, "orderedItems": [ { "id": "https://366.koyomi.online/users/matsbox/statuses/114680938541954980", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-14T09:10:50Z", "url": "https://366.koyomi.online/@matsbox/114680938541954980", "attributedTo": "https://366.koyomi.online/users/matsbox", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://366.koyomi.online/users/matsbox/followers" ], "sensitive": false, "atomUri": "https://366.koyomi.online/users/matsbox/statuses/114680938541954980", "inReplyToAtomUri": null, "conversation": "tag:366.koyomi.online,2025-06-14:objectId=29229843:objectType=Conversation", "content": "<p>織姫と彦星は年に一回しか会えないので、普段の様子は画像におさめてる</p><p> <a href=\"https://366.koyomi.online/tags/%E3%81%93%E3%82%88%E3%81%BF%E3%81%94%E3%81%AE%E3%81%BF\" class=\"mention hashtag\" rel=\"tag\">#<span>こよみごのみ</span></a> (0/2)</p>", "contentMap": { "ja": "<p>織姫と彦星は年に一回しか会えないので、普段の様子は画像におさめてる</p><p> <a href=\"https://366.koyomi.online/tags/%E3%81%93%E3%82%88%E3%81%BF%E3%81%94%E3%81%AE%E3%81%BF\" class=\"mention hashtag\" rel=\"tag\">#<span>こよみごのみ</span></a> (0/2)</p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://wsb.hostdon.ne.jp/m198/media_attachments/files/114/680/938/074/128/337/original/5038ea33fdc2673b.jpg", "name": "", "blurhash": "U8NwWd-;of%MIUxuIUWBofRj9Fof~qD%Rj%M", "focalPoint": [ 0.13, 0.71 ], "width": 1326, "height": 1920 } ], "tag": [ { "type": "Hashtag", "href": "https://366.koyomi.online/tags/%E3%81%93%E3%82%88%E3%81%BF%E3%81%94%E3%81%AE%E3%81%BF", "name": "#こよみごのみ" } ], "replies": { "id": "https://366.koyomi.online/users/matsbox/statuses/114680938541954980/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://366.koyomi.online/users/matsbox/statuses/114680938541954980/replies?min_id=114680941775600286&page=true", "partOf": "https://366.koyomi.online/users/matsbox/statuses/114680938541954980/replies", "items": [ "https://366.koyomi.online/users/matsbox/statuses/114680941775600286" ] } }, "likes": { "id": "https://366.koyomi.online/users/matsbox/statuses/114680938541954980/likes", "type": "Collection", "totalItems": 15 }, "shares": { "id": "https://366.koyomi.online/users/matsbox/statuses/114680938541954980/shares", "type": "Collection", "totalItems": 13 } }, { "id": "https://366.koyomi.online/users/matsbox/statuses/110166155671112562", "type": "Note", "summary": null, "inReplyTo": null, "published": "2023-04-09T01:02:11Z", "url": "https://366.koyomi.online/@matsbox/110166155671112562", "attributedTo": "https://366.koyomi.online/users/matsbox", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://366.koyomi.online/users/matsbox/followers" ], "sensitive": false, "atomUri": "https://366.koyomi.online/users/matsbox/statuses/110166155671112562", "inReplyToAtomUri": null, "conversation": "tag:366.koyomi.online,2023-04-09:objectId=4901:objectType=Conversation", "content": "<p>&lt;<a href=\"https://366.koyomi.online/tags/%E8%87%AA%E5%B7%B1%E7%B4%B9%E4%BB%8B\" class=\"mention hashtag\" rel=\"tag\">#<span>自己紹介</span></a>&gt;<br />このたびおひとりさま鯖を建てまして、引っ越ししてきました!</p><p>日本の暦がめちゃめちゃめちゃ好きで、元旦とか大晦日とかを擬人化して遊んでいる者です</p><p>毎日0時にその日の暦をお知らせしているのと、たまに漫画や絵がアップされます<br />同人活動にも積極的です</p><p>どうぞよろしくお願いいたします!</p><p><a href=\"https://366.koyomi.online/tags/%E6%9A%A6%E6%93%AC%E4%BA%BA%E5%8C%96\" class=\"mention hashtag\" rel=\"tag\">#<span>暦擬人化</span></a> <a href=\"https://366.koyomi.online/tags/%E4%B8%80%E6%AC%A1%E5%89%B5%E4%BD%9C\" class=\"mention hashtag\" rel=\"tag\">#<span>一次創作</span></a> <a href=\"https://366.koyomi.online/tags/%E3%82%AA%E3%83%AA%E3%82%B8%E3%83%8A%E3%83%AB\" class=\"mention hashtag\" rel=\"tag\">#<span>オリジナル</span></a></p>", "contentMap": { "ja": "<p>&lt;<a href=\"https://366.koyomi.online/tags/%E8%87%AA%E5%B7%B1%E7%B4%B9%E4%BB%8B\" class=\"mention hashtag\" rel=\"tag\">#<span>自己紹介</span></a>&gt;<br />このたびおひとりさま鯖を建てまして、引っ越ししてきました!</p><p>日本の暦がめちゃめちゃめちゃ好きで、元旦とか大晦日とかを擬人化して遊んでいる者です</p><p>毎日0時にその日の暦をお知らせしているのと、たまに漫画や絵がアップされます<br />同人活動にも積極的です</p><p>どうぞよろしくお願いいたします!</p><p><a href=\"https://366.koyomi.online/tags/%E6%9A%A6%E6%93%AC%E4%BA%BA%E5%8C%96\" class=\"mention hashtag\" rel=\"tag\">#<span>暦擬人化</span></a> <a href=\"https://366.koyomi.online/tags/%E4%B8%80%E6%AC%A1%E5%89%B5%E4%BD%9C\" class=\"mention hashtag\" rel=\"tag\">#<span>一次創作</span></a> <a href=\"https://366.koyomi.online/tags/%E3%82%AA%E3%83%AA%E3%82%B8%E3%83%8A%E3%83%AB\" class=\"mention hashtag\" rel=\"tag\">#<span>オリジナル</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://wsb.hostdon.ne.jp/m198/media_attachments/files/110/166/118/796/575/909/original/fdc909002bcbafb3.png", "name": "年越しの幻覚", "blurhash": "UDA^B^%h0LDh$_t7D*Rj9YRj-pozIVf6xts:", "focalPoint": [ -0.08, 0.37 ], "width": 1200, "height": 748 }, { "type": "Document", "mediaType": "image/png", "url": "https://wsb.hostdon.ne.jp/m198/media_attachments/files/110/166/126/843/595/329/original/db2bdba9d24d59cc.png", "name": "旧暦と新暦の元旦t&大晦日", "blurhash": "UeKKA#M{4oxu~pRjMxbIxvWBs:RjogkCt7WA", "focalPoint": [ 0.05, 0.06 ], "width": 1757, "height": 1180 }, { "type": "Document", "mediaType": "image/png", "url": "https://wsb.hostdon.ne.jp/m198/media_attachments/files/110/166/127/404/981/449/original/eac8e48eba424fa6.png", "name": "0時に投稿される暦のお知らせなど!", "blurhash": "UKMQS5E0,HV[~DyCi_M{QSMwtRaxpIT0I=f+", "focalPoint": [ 0, 0 ], "width": 1437, "height": 1443 }, { "type": "Document", "mediaType": "image/png", "url": "https://wsb.hostdon.ne.jp/m198/media_attachments/files/110/166/127/816/476/224/original/d3785ffc6e69aba2.png", "name": "二十四節気の擬人化", "blurhash": "UGQ]$nSws;sqJna0sAkqo~sp~qoLwckqs.aK", "focalPoint": [ 0, 0 ], "width": 1436, "height": 1444 } ], "tag": [ { "type": "Hashtag", "href": "https://366.koyomi.online/tags/%E8%87%AA%E5%B7%B1%E7%B4%B9%E4%BB%8B", "name": "#自己紹介" }, { "type": "Hashtag", "href": "https://366.koyomi.online/tags/%E6%9A%A6%E6%93%AC%E4%BA%BA%E5%8C%96", "name": "#暦擬人化" }, { "type": "Hashtag", "href": "https://366.koyomi.online/tags/%E4%B8%80%E6%AC%A1%E5%89%B5%E4%BD%9C", "name": "#一次創作" }, { "type": "Hashtag", "href": "https://366.koyomi.online/tags/%E3%82%AA%E3%83%AA%E3%82%B8%E3%83%8A%E3%83%AB", "name": "#オリジナル" } ], "replies": { "id": "https://366.koyomi.online/users/matsbox/statuses/110166155671112562/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://366.koyomi.online/users/matsbox/statuses/110166155671112562/replies?only_other_accounts=true&page=true", "partOf": "https://366.koyomi.online/users/matsbox/statuses/110166155671112562/replies", "items": [] } }, "likes": { "id": "https://366.koyomi.online/users/matsbox/statuses/110166155671112562/likes", "type": "Collection", "totalItems": 72 }, "shares": { "id": "https://366.koyomi.online/users/matsbox/statuses/110166155671112562/shares", "type": "Collection", "totalItems": 47 } }, { "id": "https://366.koyomi.online/users/matsbox/statuses/112289904793356127", "type": "Note", "summary": "─────────活動サイト・通販等のまとめ─────────", "inReplyTo": null, "published": "2024-04-18T02:39:31Z", "url": "https://366.koyomi.online/@matsbox/112289904793356127", "attributedTo": "https://366.koyomi.online/users/matsbox", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://366.koyomi.online/users/matsbox/followers" ], "sensitive": true, "atomUri": "https://366.koyomi.online/users/matsbox/statuses/112289904793356127", "inReplyToAtomUri": null, "conversation": "tag:366.koyomi.online,2024-04-18:objectId=15241809:objectType=Conversation", "content": "<p>・個人サイト <a href=\"https://koyomi.online/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">koyomi.online/</span><span class=\"invisible\"></span></a><br />【通販】<br />・BOOTH(自家通販) <a href=\"https://matsboxxx.booth.pm/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">matsboxxx.booth.pm/</span><span class=\"invisible\"></span></a><br />・クロスフォリオSHOP(自家通販)<br /><a href=\"https://xfolio.jp/portfolio/matsbox/shop\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">xfolio.jp/portfolio/matsbox/sh</span><span class=\"invisible\">op</span></a><br />【作品置き場】<br />・Pixiv <a href=\"https://www.pixiv.net/users/9512798\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">pixiv.net/users/9512798</span><span class=\"invisible\"></span></a><br />・クロスフォリオ <a href=\"https://xfolio.jp/portfolio/matsbox\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">xfolio.jp/portfolio/matsbox</span><span class=\"invisible\"></span></a><br />【ブログ記事】<br />・FANBOX <a href=\"https://matsbox.fanbox.cc/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">matsbox.fanbox.cc/</span><span class=\"invisible\"></span></a><br />・OFUSE <a href=\"https://ofuse.me/matsbox\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">ofuse.me/matsbox</span><span class=\"invisible\"></span></a><br />【SNS】<br />・X(Twitter) <a href=\"https://twitter.com/matsbox\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">twitter.com/matsbox</span><span class=\"invisible\"></span></a><br />・Bluesky<br /><a href=\"https://bsky.app/profile/mats-box.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">bsky.app/profile/mats-box.com</span><span class=\"invisible\"></span></a><br />・タイッツー<br /><a href=\"https://taittsuu.com/users/matsbox\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">taittsuu.com/users/matsbox</span><span class=\"invisible\"></span></a></p>", "contentMap": { "ja": "<p>・個人サイト <a href=\"https://koyomi.online/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">koyomi.online/</span><span class=\"invisible\"></span></a><br />【通販】<br />・BOOTH(自家通販) <a href=\"https://matsboxxx.booth.pm/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">matsboxxx.booth.pm/</span><span class=\"invisible\"></span></a><br />・クロスフォリオSHOP(自家通販)<br /><a href=\"https://xfolio.jp/portfolio/matsbox/shop\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">xfolio.jp/portfolio/matsbox/sh</span><span class=\"invisible\">op</span></a><br />【作品置き場】<br />・Pixiv <a href=\"https://www.pixiv.net/users/9512798\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">pixiv.net/users/9512798</span><span class=\"invisible\"></span></a><br />・クロスフォリオ <a href=\"https://xfolio.jp/portfolio/matsbox\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">xfolio.jp/portfolio/matsbox</span><span class=\"invisible\"></span></a><br />【ブログ記事】<br />・FANBOX <a href=\"https://matsbox.fanbox.cc/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">matsbox.fanbox.cc/</span><span class=\"invisible\"></span></a><br />・OFUSE <a href=\"https://ofuse.me/matsbox\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">ofuse.me/matsbox</span><span class=\"invisible\"></span></a><br />【SNS】<br />・X(Twitter) <a href=\"https://twitter.com/matsbox\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">twitter.com/matsbox</span><span class=\"invisible\"></span></a><br />・Bluesky<br /><a href=\"https://bsky.app/profile/mats-box.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">bsky.app/profile/mats-box.com</span><span class=\"invisible\"></span></a><br />・タイッツー<br /><a href=\"https://taittsuu.com/users/matsbox\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">taittsuu.com/users/matsbox</span><span class=\"invisible\"></span></a></p>" }, "attachment": [], "tag": [], "replies": { "id": "https://366.koyomi.online/users/matsbox/statuses/112289904793356127/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://366.koyomi.online/users/matsbox/statuses/112289904793356127/replies?only_other_accounts=true&page=true", "partOf": "https://366.koyomi.online/users/matsbox/statuses/112289904793356127/replies", "items": [] } }, "likes": { "id": "https://366.koyomi.online/users/matsbox/statuses/112289904793356127/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://366.koyomi.online/users/matsbox/statuses/112289904793356127/shares", "type": "Collection", "totalItems": 0 } } ] }