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", "litepub": "http://litepub.social/ns#", "directMessage": "litepub:directMessage", "Hashtag": "as:Hashtag" } ], "id": "https://infosec.exchange/users/hpr/statuses/114386410188422512", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-23T08:48:24Z", "url": "https://infosec.exchange/@hpr/114386410188422512", "attributedTo": "https://infosec.exchange/users/hpr", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://infosec.exchange/users/hpr/followers" ], "sensitive": false, "atomUri": "https://infosec.exchange/users/hpr/statuses/114386410188422512", "inReplyToAtomUri": null, "conversation": "tag:infosec.exchange,2025-04-23:objectId=264259160:objectType=Conversation", "content": "<p>New Episode: hpr4363 :: My First Episode for HPR</p><p>Long time listener first time contributor</p><p>Hosted by ko3moc on Wednesday, 2025-04-23 is flagged as Clean and is released under a CC-BY-SA license.</p><p>Tags: python, linux, ham radio, foss. </p><p>Today on the <a href=\"https://infosec.exchange/tags/HackerPublicRadio\" class=\"mention hashtag\" rel=\"tag\">#<span>HackerPublicRadio</span></a> <a href=\"https://infosec.exchange/tags/Community\" class=\"mention hashtag\" rel=\"tag\">#<span>Community</span></a> <a href=\"https://infosec.exchange/tags/Podcast\" class=\"mention hashtag\" rel=\"tag\">#<span>Podcast</span></a>​</p><p><a href=\"https://infosec.exchange/tags/HPR\" class=\"mention hashtag\" rel=\"tag\">#<span>HPR</span></a> ❤️ <a href=\"https://infosec.exchange/tags/CreativeCommons\" class=\"mention hashtag\" rel=\"tag\">#<span>CreativeCommons</span></a></p><p><a href=\"https://hackerpublicradio.org/eps/hpr4363/index.html\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">hackerpublicradio.org/eps/hpr4</span><span class=\"invisible\">363/index.html</span></a></p>", "contentMap": { "en": "<p>New Episode: hpr4363 :: My First Episode for HPR</p><p>Long time listener first time contributor</p><p>Hosted by ko3moc on Wednesday, 2025-04-23 is flagged as Clean and is released under a CC-BY-SA license.</p><p>Tags: python, linux, ham radio, foss. </p><p>Today on the <a href=\"https://infosec.exchange/tags/HackerPublicRadio\" class=\"mention hashtag\" rel=\"tag\">#<span>HackerPublicRadio</span></a> <a href=\"https://infosec.exchange/tags/Community\" class=\"mention hashtag\" rel=\"tag\">#<span>Community</span></a> <a href=\"https://infosec.exchange/tags/Podcast\" class=\"mention hashtag\" rel=\"tag\">#<span>Podcast</span></a>​</p><p><a href=\"https://infosec.exchange/tags/HPR\" class=\"mention hashtag\" rel=\"tag\">#<span>HPR</span></a> ❤️ <a href=\"https://infosec.exchange/tags/CreativeCommons\" class=\"mention hashtag\" rel=\"tag\">#<span>CreativeCommons</span></a></p><p><a href=\"https://hackerpublicradio.org/eps/hpr4363/index.html\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">hackerpublicradio.org/eps/hpr4</span><span class=\"invisible\">363/index.html</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://infosec.exchange/tags/hackerpublicradio", "name": "#hackerpublicradio" }, { "type": "Hashtag", "href": "https://infosec.exchange/tags/community", "name": "#community" }, { "type": "Hashtag", "href": "https://infosec.exchange/tags/podcast", "name": "#podcast" }, { "type": "Hashtag", "href": "https://infosec.exchange/tags/hpr", "name": "#hpr" }, { "type": "Hashtag", "href": "https://infosec.exchange/tags/creativecommons", "name": "#creativecommons" } ], "replies": { "id": "https://infosec.exchange/users/hpr/statuses/114386410188422512/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://infosec.exchange/users/hpr/statuses/114386410188422512/replies?only_other_accounts=true&page=true", "partOf": "https://infosec.exchange/users/hpr/statuses/114386410188422512/replies", "items": [] } }, "likes": { "id": "https://infosec.exchange/users/hpr/statuses/114386410188422512/likes", "type": "Collection", "totalItems": 4 }, "shares": { "id": "https://infosec.exchange/users/hpr/statuses/114386410188422512/shares", "type": "Collection", "totalItems": 4 } }