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", "litepub": "http://litepub.social/ns#", "directMessage": "litepub:directMessage", "Hashtag": "as:Hashtag" } ], "id": "https://infosec.exchange/users/cmars/statuses/114404662885668703", "type": "Note", "summary": null, "inReplyTo": "https://infosec.exchange/users/cmars/statuses/114404605822066639", "published": "2025-04-26T14:10:18Z", "url": "https://infosec.exchange/@cmars/114404662885668703", "attributedTo": "https://infosec.exchange/users/cmars", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://infosec.exchange/users/cmars/followers" ], "sensitive": false, "atomUri": "https://infosec.exchange/users/cmars/statuses/114404662885668703", "inReplyToAtomUri": "https://infosec.exchange/users/cmars/statuses/114404605822066639", "conversation": "tag:infosec.exchange,2025-04-26:objectId=265316101:objectType=Conversation", "content": "<p>In case you&#39;re wondering, why actors?</p><p>This is my first major <a href=\"https://infosec.exchange/tags/rust\" class=\"mention hashtag\" rel=\"tag\">#<span>rust</span></a> project.. Getting something to work, getting from 0 to 1, was my first goal. Answering &quot;Is it even possible to send content through <a href=\"https://infosec.exchange/tags/veilid\" class=\"mention hashtag\" rel=\"tag\">#<span>veilid</span></a> with good throughput?&quot;</p><p>I moved fast, was inexperienced, and ended up with a gnarly complicated, difficult to test select! loops with some backoff retry macros paving over the cracks. When I set out to add peer gossip and simultaneous transfer, I started to dread them.</p><p>&quot;Breaking up the loops&quot; into actors is a nice separation of concerns that makes the complexity manageable. Supervision allows retry / restart policy to be reused and customized to the task at hand.</p>", "contentMap": { "en": "<p>In case you&#39;re wondering, why actors?</p><p>This is my first major <a href=\"https://infosec.exchange/tags/rust\" class=\"mention hashtag\" rel=\"tag\">#<span>rust</span></a> project.. Getting something to work, getting from 0 to 1, was my first goal. Answering &quot;Is it even possible to send content through <a href=\"https://infosec.exchange/tags/veilid\" class=\"mention hashtag\" rel=\"tag\">#<span>veilid</span></a> with good throughput?&quot;</p><p>I moved fast, was inexperienced, and ended up with a gnarly complicated, difficult to test select! loops with some backoff retry macros paving over the cracks. When I set out to add peer gossip and simultaneous transfer, I started to dread them.</p><p>&quot;Breaking up the loops&quot; into actors is a nice separation of concerns that makes the complexity manageable. Supervision allows retry / restart policy to be reused and customized to the task at hand.</p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://infosec.exchange/tags/rust", "name": "#rust" }, { "type": "Hashtag", "href": "https://infosec.exchange/tags/veilid", "name": "#veilid" } ], "replies": { "id": "https://infosec.exchange/users/cmars/statuses/114404662885668703/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://infosec.exchange/users/cmars/statuses/114404662885668703/replies?only_other_accounts=true&page=true", "partOf": "https://infosec.exchange/users/cmars/statuses/114404662885668703/replies", "items": [] } }, "likes": { "id": "https://infosec.exchange/users/cmars/statuses/114404662885668703/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://infosec.exchange/users/cmars/statuses/114404662885668703/shares", "type": "Collection", "totalItems": 1 } }