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://foojay.social/users/jabref/statuses/114309937542287356", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-09T20:40:24Z", "url": "https://foojay.social/@jabref/114309937542287356", "attributedTo": "https://foojay.social/users/jabref", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://foojay.social/users/jabref/followers", "https://mastodon.acm.org/users/koppor" ], "sensitive": false, "atomUri": "https://foojay.social/users/jabref/statuses/114309937542287356", "inReplyToAtomUri": null, "conversation": "tag:foojay.social,2025-04-09:objectId=3823533:objectType=Conversation", "content": "<p>Our maintainer <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.acm.org/@koppor\" class=\"u-url mention\">@<span>koppor</span></a></span> did a talk at <a href=\"https://foojay.social/tags/DANTE2025\" class=\"mention hashtag\" rel=\"tag\">#<span>DANTE2025</span></a> (a <a href=\"https://foojay.social/tags/TeXLaTeX\" class=\"mention hashtag\" rel=\"tag\">#<span>TeXLaTeX</span></a> conference) about <a href=\"https://foojay.social/tags/JabRef\" class=\"mention hashtag\" rel=\"tag\">#<span>JabRef</span></a> <br />The key topic was the development process and how users can participate in testing and providing feedback etc. </p><p>You can find the slides (German only) here: <a href=\"https://www.dante.de/wp-content/uploads/2025/04/Oliver_Kopp-JabRef.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">dante.de/wp-content/uploads/20</span><span class=\"invisible\">25/04/Oliver_Kopp-JabRef.pdf</span></a> </p><p>PS: We recently upgraded to <a href=\"https://foojay.social/tags/javafx\" class=\"mention hashtag\" rel=\"tag\">#<span>javafx</span></a> 24 as well. </p><p><a href=\"https://foojay.social/tags/foss\" class=\"mention hashtag\" rel=\"tag\">#<span>foss</span></a> <a href=\"https://foojay.social/tags/opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>opensource</span></a> <a href=\"https://foojay.social/tags/bibtex\" class=\"mention hashtag\" rel=\"tag\">#<span>bibtex</span></a> <a href=\"https://foojay.social/tags/academia\" class=\"mention hashtag\" rel=\"tag\">#<span>academia</span></a> <a href=\"https://foojay.social/tags/bibliography\" class=\"mention hashtag\" rel=\"tag\">#<span>bibliography</span></a> <a href=\"https://foojay.social/tags/javafx\" class=\"mention hashtag\" rel=\"tag\">#<span>javafx</span></a></p>", "contentMap": { "de": "<p>Our maintainer <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.acm.org/@koppor\" class=\"u-url mention\">@<span>koppor</span></a></span> did a talk at <a href=\"https://foojay.social/tags/DANTE2025\" class=\"mention hashtag\" rel=\"tag\">#<span>DANTE2025</span></a> (a <a href=\"https://foojay.social/tags/TeXLaTeX\" class=\"mention hashtag\" rel=\"tag\">#<span>TeXLaTeX</span></a> conference) about <a href=\"https://foojay.social/tags/JabRef\" class=\"mention hashtag\" rel=\"tag\">#<span>JabRef</span></a> <br />The key topic was the development process and how users can participate in testing and providing feedback etc. </p><p>You can find the slides (German only) here: <a href=\"https://www.dante.de/wp-content/uploads/2025/04/Oliver_Kopp-JabRef.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">dante.de/wp-content/uploads/20</span><span class=\"invisible\">25/04/Oliver_Kopp-JabRef.pdf</span></a> </p><p>PS: We recently upgraded to <a href=\"https://foojay.social/tags/javafx\" class=\"mention hashtag\" rel=\"tag\">#<span>javafx</span></a> 24 as well. </p><p><a href=\"https://foojay.social/tags/foss\" class=\"mention hashtag\" rel=\"tag\">#<span>foss</span></a> <a href=\"https://foojay.social/tags/opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>opensource</span></a> <a href=\"https://foojay.social/tags/bibtex\" class=\"mention hashtag\" rel=\"tag\">#<span>bibtex</span></a> <a href=\"https://foojay.social/tags/academia\" class=\"mention hashtag\" rel=\"tag\">#<span>academia</span></a> <a href=\"https://foojay.social/tags/bibliography\" class=\"mention hashtag\" rel=\"tag\">#<span>bibliography</span></a> <a href=\"https://foojay.social/tags/javafx\" class=\"mention hashtag\" rel=\"tag\">#<span>javafx</span></a></p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://mastodon.acm.org/users/koppor", "name": "@koppor@mastodon.acm.org" }, { "type": "Hashtag", "href": "https://foojay.social/tags/dante2025", "name": "#dante2025" }, { "type": "Hashtag", "href": "https://foojay.social/tags/texlatex", "name": "#texlatex" }, { "type": "Hashtag", "href": "https://foojay.social/tags/jabref", "name": "#jabref" }, { "type": "Hashtag", "href": "https://foojay.social/tags/javafx", "name": "#javafx" }, { "type": "Hashtag", "href": "https://foojay.social/tags/foss", "name": "#foss" }, { "type": "Hashtag", "href": "https://foojay.social/tags/opensource", "name": "#opensource" }, { "type": "Hashtag", "href": "https://foojay.social/tags/bibtex", "name": "#bibtex" }, { "type": "Hashtag", "href": "https://foojay.social/tags/academia", "name": "#academia" }, { "type": "Hashtag", "href": "https://foojay.social/tags/bibliography", "name": "#bibliography" } ], "replies": { "id": "https://foojay.social/users/jabref/statuses/114309937542287356/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://foojay.social/users/jabref/statuses/114309937542287356/replies?only_other_accounts=true&page=true", "partOf": "https://foojay.social/users/jabref/statuses/114309937542287356/replies", "items": [] } }, "likes": { "id": "https://foojay.social/users/jabref/statuses/114309937542287356/likes", "type": "Collection", "totalItems": 7 }, "shares": { "id": "https://foojay.social/users/jabref/statuses/114309937542287356/shares", "type": "Collection", "totalItems": 4 } }