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://floss.social/users/janriemer/statuses/114467830232677235", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-07T17:54:35Z", "url": "https://floss.social/@janriemer/114467830232677235", "attributedTo": "https://floss.social/users/janriemer", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://floss.social/users/janriemer/followers" ], "sensitive": false, "atomUri": "https://floss.social/users/janriemer/statuses/114467830232677235", "inReplyToAtomUri": null, "conversation": "tag:floss.social,2025-05-07:objectId=87205067:objectType=Conversation", "content": "<p>Wow, <a href=\"https://floss.social/tags/FuzzTesting\" class=\"mention hashtag\" rel=\"tag\">#<span>FuzzTesting</span></a>/ <a href=\"https://floss.social/tags/PropertyTesting\" class=\"mention hashtag\" rel=\"tag\">#<span>PropertyTesting</span></a> is actually harder than doing an automatic proof.😓 </p><p>I didn&#39;t expect that!😮 </p><p><a href=\"https://floss.social/tags/SoftwareEngineering\" class=\"mention hashtag\" rel=\"tag\">#<span>SoftwareEngineering</span></a> <a href=\"https://floss.social/tags/Unexpected\" class=\"mention hashtag\" rel=\"tag\">#<span>Unexpected</span></a> <a href=\"https://floss.social/tags/Testing\" class=\"mention hashtag\" rel=\"tag\">#<span>Testing</span></a> <a href=\"https://floss.social/tags/FormalVerification\" class=\"mention hashtag\" rel=\"tag\">#<span>FormalVerification</span></a></p>", "contentMap": { "en": "<p>Wow, <a href=\"https://floss.social/tags/FuzzTesting\" class=\"mention hashtag\" rel=\"tag\">#<span>FuzzTesting</span></a>/ <a href=\"https://floss.social/tags/PropertyTesting\" class=\"mention hashtag\" rel=\"tag\">#<span>PropertyTesting</span></a> is actually harder than doing an automatic proof.😓 </p><p>I didn&#39;t expect that!😮 </p><p><a href=\"https://floss.social/tags/SoftwareEngineering\" class=\"mention hashtag\" rel=\"tag\">#<span>SoftwareEngineering</span></a> <a href=\"https://floss.social/tags/Unexpected\" class=\"mention hashtag\" rel=\"tag\">#<span>Unexpected</span></a> <a href=\"https://floss.social/tags/Testing\" class=\"mention hashtag\" rel=\"tag\">#<span>Testing</span></a> <a href=\"https://floss.social/tags/FormalVerification\" class=\"mention hashtag\" rel=\"tag\">#<span>FormalVerification</span></a></p>" }, "updated": "2025-05-07T17:54:51Z", "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://floss.social/tags/propertytesting", "name": "#propertytesting" }, { "type": "Hashtag", "href": "https://floss.social/tags/fuzztesting", "name": "#fuzztesting" }, { "type": "Hashtag", "href": "https://floss.social/tags/softwareEngineering", "name": "#softwareEngineering" }, { "type": "Hashtag", "href": "https://floss.social/tags/unexpected", "name": "#unexpected" }, { "type": "Hashtag", "href": "https://floss.social/tags/testing", "name": "#testing" }, { "type": "Hashtag", "href": "https://floss.social/tags/formalverification", "name": "#formalverification" } ], "replies": { "id": "https://floss.social/users/janriemer/statuses/114467830232677235/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://floss.social/users/janriemer/statuses/114467830232677235/replies?only_other_accounts=true&page=true", "partOf": "https://floss.social/users/janriemer/statuses/114467830232677235/replies", "items": [] } }, "likes": { "id": "https://floss.social/users/janriemer/statuses/114467830232677235/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://floss.social/users/janriemer/statuses/114467830232677235/shares", "type": "Collection", "totalItems": 1 } }