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://mastodon.uno/users/paoloredaelli/statuses/114172593294940261", "type": "Note", "summary": null, "inReplyTo": "https://masto.ai/users/phoronix/statuses/114172562276027661", "published": "2025-03-16T14:31:57Z", "url": "https://mastodon.uno/@paoloredaelli/114172593294940261", "attributedTo": "https://mastodon.uno/users/paoloredaelli", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.uno/users/paoloredaelli/followers", "https://masto.ai/users/phoronix" ], "sensitive": false, "atomUri": "https://mastodon.uno/users/paoloredaelli/statuses/114172593294940261", "inReplyToAtomUri": "https://masto.ai/users/phoronix/statuses/114172562276027661", "conversation": "tag:masto.ai,2025-03-16:objectId=246898437:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://masto.ai/@phoronix\" class=\"u-url mention\">@<span>phoronix</span></a></span> is there a list of all the incoming <a href=\"https://mastodon.uno/tags/arm\" class=\"mention hashtag\" rel=\"tag\">#<span>arm</span></a> <a href=\"https://mastodon.uno/tags/linux\" class=\"mention hashtag\" rel=\"tag\">#<span>linux</span></a> <a href=\"https://mastodon.uno/tags/laptop\" class=\"mention hashtag\" rel=\"tag\">#<span>laptop</span></a> ?</p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://masto.ai/@phoronix\" class=\"u-url mention\">@<span>phoronix</span></a></span> is there a list of all the incoming <a href=\"https://mastodon.uno/tags/arm\" class=\"mention hashtag\" rel=\"tag\">#<span>arm</span></a> <a href=\"https://mastodon.uno/tags/linux\" class=\"mention hashtag\" rel=\"tag\">#<span>linux</span></a> <a href=\"https://mastodon.uno/tags/laptop\" class=\"mention hashtag\" rel=\"tag\">#<span>laptop</span></a> ?</p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://masto.ai/users/phoronix", "name": "@phoronix@masto.ai" }, { "type": "Hashtag", "href": "https://mastodon.uno/tags/arm", "name": "#arm" }, { "type": "Hashtag", "href": "https://mastodon.uno/tags/linux", "name": "#linux" }, { "type": "Hashtag", "href": "https://mastodon.uno/tags/laptop", "name": "#laptop" } ], "replies": { "id": "https://mastodon.uno/users/paoloredaelli/statuses/114172593294940261/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.uno/users/paoloredaelli/statuses/114172593294940261/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.uno/users/paoloredaelli/statuses/114172593294940261/replies", "items": [] } }, "likes": { "id": "https://mastodon.uno/users/paoloredaelli/statuses/114172593294940261/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://mastodon.uno/users/paoloredaelli/statuses/114172593294940261/shares", "type": "Collection", "totalItems": 0 } }