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/squads/statuses/114586283653444182", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-28T15:58:51Z", "url": "https://mas.to/@squads/114586283653444182", "attributedTo": "https://mas.to/users/squads", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mas.to/users/squads/followers", "https://mas.to/users/autochthon" ], "sensitive": false, "atomUri": "https://mas.to/users/squads/statuses/114586283653444182", "inReplyToAtomUri": null, "conversation": "tag:mas.to,2025-05-28:objectId=498065311:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mas.to/@autochthon\" class=\"u-url mention\">@<span>autochthon</span></a></span> .... so happy to see that yoou are interested in <a href=\"https://mas.to/tags/sciences\" class=\"mention hashtag\" rel=\"tag\">#<span>sciences</span></a> and related stuff(according to your bio), what makes you so highly interested in <a href=\"https://mas.to/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a>.<br />Are you interested in Tech too? </p><p><a href=\"https://mas.to/tags/JustCurious\" class=\"mention hashtag\" rel=\"tag\">#<span>JustCurious</span></a></p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mas.to/@autochthon\" class=\"u-url mention\">@<span>autochthon</span></a></span> .... so happy to see that yoou are interested in <a href=\"https://mas.to/tags/sciences\" class=\"mention hashtag\" rel=\"tag\">#<span>sciences</span></a> and related stuff(according to your bio), what makes you so highly interested in <a href=\"https://mas.to/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a>.<br />Are you interested in Tech too? </p><p><a href=\"https://mas.to/tags/JustCurious\" class=\"mention hashtag\" rel=\"tag\">#<span>JustCurious</span></a></p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://mas.to/users/autochthon", "name": "@autochthon" }, { "type": "Hashtag", "href": "https://mas.to/tags/justcurious", "name": "#justcurious" }, { "type": "Hashtag", "href": "https://mas.to/tags/science", "name": "#science" }, { "type": "Hashtag", "href": "https://mas.to/tags/sciences", "name": "#sciences" } ], "replies": { "id": "https://mas.to/users/squads/statuses/114586283653444182/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mas.to/users/squads/statuses/114586283653444182/replies?only_other_accounts=true&page=true", "partOf": "https://mas.to/users/squads/statuses/114586283653444182/replies", "items": [] } }, "likes": { "id": "https://mas.to/users/squads/statuses/114586283653444182/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mas.to/users/squads/statuses/114586283653444182/shares", "type": "Collection", "totalItems": 1 } }