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", "Hashtag": "as:Hashtag" } ], "id": "https://rss-mstdn.studiofreesia.com/users/ycombinator/statuses/114597105825510910", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-30T13:51:05Z", "url": "https://rss-mstdn.studiofreesia.com/@ycombinator/114597105825510910", "attributedTo": "https://rss-mstdn.studiofreesia.com/users/ycombinator", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://rss-mstdn.studiofreesia.com/users/ycombinator/followers" ], "sensitive": false, "atomUri": "https://rss-mstdn.studiofreesia.com/users/ycombinator/statuses/114597105825510910", "inReplyToAtomUri": null, "conversation": "tag:rss-mstdn.studiofreesia.com,2025-05-30:objectId=14884699:objectType=Conversation", "content": "<p>Behavioral responses of domestic cats to human odor<br /><a href=\"https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0324016\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">journals.plos.org/plosone/arti</span><span class=\"invisible\">cle?id=10.1371/journal.pone.0324016</span></a><br /><a href=\"https://rss-mstdn.studiofreesia.com/tags/ycombinator\" class=\"mention hashtag\" rel=\"tag\">#<span>ycombinator</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/Cats\" class=\"mention hashtag\" rel=\"tag\">#<span>Cats</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/Animal_behavior\" class=\"mention hashtag\" rel=\"tag\">#<span>Animal_behavior</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/Personality\" class=\"mention hashtag\" rel=\"tag\">#<span>Personality</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/Smell\" class=\"mention hashtag\" rel=\"tag\">#<span>Smell</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/Animal_sociality\" class=\"mention hashtag\" rel=\"tag\">#<span>Animal_sociality</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/Dogs\" class=\"mention hashtag\" rel=\"tag\">#<span>Dogs</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/Impulsivity\" class=\"mention hashtag\" rel=\"tag\">#<span>Impulsivity</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/Questionnaires\" class=\"mention hashtag\" rel=\"tag\">#<span>Questionnaires</span></a></p>", "contentMap": { "ja": "<p>Behavioral responses of domestic cats to human odor<br /><a href=\"https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0324016\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">journals.plos.org/plosone/arti</span><span class=\"invisible\">cle?id=10.1371/journal.pone.0324016</span></a><br /><a href=\"https://rss-mstdn.studiofreesia.com/tags/ycombinator\" class=\"mention hashtag\" rel=\"tag\">#<span>ycombinator</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/Cats\" class=\"mention hashtag\" rel=\"tag\">#<span>Cats</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/Animal_behavior\" class=\"mention hashtag\" rel=\"tag\">#<span>Animal_behavior</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/Personality\" class=\"mention hashtag\" rel=\"tag\">#<span>Personality</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/Smell\" class=\"mention hashtag\" rel=\"tag\">#<span>Smell</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/Animal_sociality\" class=\"mention hashtag\" rel=\"tag\">#<span>Animal_sociality</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/Dogs\" class=\"mention hashtag\" rel=\"tag\">#<span>Dogs</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/Impulsivity\" class=\"mention hashtag\" rel=\"tag\">#<span>Impulsivity</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/Questionnaires\" class=\"mention hashtag\" rel=\"tag\">#<span>Questionnaires</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://rss-mstdn.studiofreesia.com/tags/ycombinator", "name": "#ycombinator" }, { "type": "Hashtag", "href": "https://rss-mstdn.studiofreesia.com/tags/cats", "name": "#cats" }, { "type": "Hashtag", "href": "https://rss-mstdn.studiofreesia.com/tags/animal_behavior", "name": "#animal_behavior" }, { "type": "Hashtag", "href": "https://rss-mstdn.studiofreesia.com/tags/personality", "name": "#personality" }, { "type": "Hashtag", "href": "https://rss-mstdn.studiofreesia.com/tags/smell", "name": "#smell" }, { "type": "Hashtag", "href": "https://rss-mstdn.studiofreesia.com/tags/animal_sociality", "name": "#animal_sociality" }, { "type": "Hashtag", "href": "https://rss-mstdn.studiofreesia.com/tags/dogs", "name": "#dogs" }, { "type": "Hashtag", "href": "https://rss-mstdn.studiofreesia.com/tags/impulsivity", "name": "#impulsivity" }, { "type": "Hashtag", "href": "https://rss-mstdn.studiofreesia.com/tags/questionnaires", "name": "#questionnaires" } ], "replies": { "id": "https://rss-mstdn.studiofreesia.com/users/ycombinator/statuses/114597105825510910/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://rss-mstdn.studiofreesia.com/users/ycombinator/statuses/114597105825510910/replies?only_other_accounts=true&page=true", "partOf": "https://rss-mstdn.studiofreesia.com/users/ycombinator/statuses/114597105825510910/replies", "items": [] } } }