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.

Open in browser →
{ "@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://mas.to/users/nemo/statuses/114436247067401591", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-02T04:02:35Z", "url": "https://mas.to/@nemo/114436247067401591", "attributedTo": "https://mas.to/users/nemo", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mas.to/users/nemo/followers" ], "sensitive": false, "atomUri": "https://mas.to/users/nemo/statuses/114436247067401591", "inReplyToAtomUri": null, "conversation": "tag:mas.to,2025-05-02:objectId=486551729:objectType=Conversation", "content": "<p>Venus glänzt als strahlender Morgenstern, Saturn kehrt am Horizont zurück und der Halbmond trifft auf Mars &amp; Messier 44! 🌌🔭 Wer den Maihimmel liebt, sollte jetzt nachts raus und staunen. Mehr zu den Himmels-Highlights im Mai:<br />👉 <a href=\"https://www.fr.de/wissen/planeten-im-mai-venus-glaenzt-und-ein-alter-bekannter-ist-zurueck-zr-93709832.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">fr.de/wissen/planeten-im-mai-v</span><span class=\"invisible\">enus-glaenzt-und-ein-alter-bekannter-ist-zurueck-zr-93709832.html</span></a><br /><a href=\"https://mas.to/tags/Astronomie\" class=\"mention hashtag\" rel=\"tag\">#<span>Astronomie</span></a> <a href=\"https://mas.to/tags/Sternenhimmel\" class=\"mention hashtag\" rel=\"tag\">#<span>Sternenhimmel</span></a> <a href=\"https://mas.to/tags/Venus\" class=\"mention hashtag\" rel=\"tag\">#<span>Venus</span></a> <a href=\"https://mas.to/tags/Saturn\" class=\"mention hashtag\" rel=\"tag\">#<span>Saturn</span></a> <a href=\"https://mas.to/tags/HimmelImMai\" class=\"mention hashtag\" rel=\"tag\">#<span>HimmelImMai</span></a> <a href=\"https://mas.to/tags/newz\" class=\"mention hashtag\" rel=\"tag\">#<span>newz</span></a></p>", "contentMap": { "de": "<p>Venus glänzt als strahlender Morgenstern, Saturn kehrt am Horizont zurück und der Halbmond trifft auf Mars &amp; Messier 44! 🌌🔭 Wer den Maihimmel liebt, sollte jetzt nachts raus und staunen. Mehr zu den Himmels-Highlights im Mai:<br />👉 <a href=\"https://www.fr.de/wissen/planeten-im-mai-venus-glaenzt-und-ein-alter-bekannter-ist-zurueck-zr-93709832.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">fr.de/wissen/planeten-im-mai-v</span><span class=\"invisible\">enus-glaenzt-und-ein-alter-bekannter-ist-zurueck-zr-93709832.html</span></a><br /><a href=\"https://mas.to/tags/Astronomie\" class=\"mention hashtag\" rel=\"tag\">#<span>Astronomie</span></a> <a href=\"https://mas.to/tags/Sternenhimmel\" class=\"mention hashtag\" rel=\"tag\">#<span>Sternenhimmel</span></a> <a href=\"https://mas.to/tags/Venus\" class=\"mention hashtag\" rel=\"tag\">#<span>Venus</span></a> <a href=\"https://mas.to/tags/Saturn\" class=\"mention hashtag\" rel=\"tag\">#<span>Saturn</span></a> <a href=\"https://mas.to/tags/HimmelImMai\" class=\"mention hashtag\" rel=\"tag\">#<span>HimmelImMai</span></a> <a href=\"https://mas.to/tags/newz\" class=\"mention hashtag\" rel=\"tag\">#<span>newz</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mas.to/tags/newz", "name": "#newz" }, { "type": "Hashtag", "href": "https://mas.to/tags/himmelimmai", "name": "#himmelimmai" }, { "type": "Hashtag", "href": "https://mas.to/tags/saturn", "name": "#saturn" }, { "type": "Hashtag", "href": "https://mas.to/tags/venus", "name": "#venus" }, { "type": "Hashtag", "href": "https://mas.to/tags/sternenhimmel", "name": "#sternenhimmel" }, { "type": "Hashtag", "href": "https://mas.to/tags/astronomie", "name": "#astronomie" } ], "replies": { "id": "https://mas.to/users/nemo/statuses/114436247067401591/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mas.to/users/nemo/statuses/114436247067401591/replies?only_other_accounts=true&page=true", "partOf": "https://mas.to/users/nemo/statuses/114436247067401591/replies", "items": [] } }, "likes": { "id": "https://mas.to/users/nemo/statuses/114436247067401591/likes", "type": "Collection", "totalItems": 4 }, "shares": { "id": "https://mas.to/users/nemo/statuses/114436247067401591/shares", "type": "Collection", "totalItems": 4 } }