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.social/users/johniac/statuses/113873213162034966", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-01-22T17:35:39Z", "url": "https://mastodon.social/@johniac/113873213162034966", "attributedTo": "https://mastodon.social/users/johniac", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/johniac/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/johniac/statuses/113873213162034966", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-01-22:objectId=901014180:objectType=Conversation", "content": "<p>SciTech Chronicles. . . . . . . . . . . . . . . . . . . . .Jan 22, 2025</p><p><a href=\"https://bit.ly/stc012225\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">bit.ly/stc012225</span><span class=\"invisible\"></span></a></p><p><a href=\"https://mastodon.social/tags/Neuromorphic\" class=\"mention hashtag\" rel=\"tag\">#<span>Neuromorphic</span></a> <a href=\"https://mastodon.social/tags/semiconductor\" class=\"mention hashtag\" rel=\"tag\">#<span>semiconductor</span></a> <a href=\"https://mastodon.social/tags/self\" class=\"mention hashtag\" rel=\"tag\">#<span>self</span></a>-learning <a href=\"https://mastodon.social/tags/memristor\" class=\"mention hashtag\" rel=\"tag\">#<span>memristor</span></a>-based <a href=\"https://mastodon.social/tags/Moon\" class=\"mention hashtag\" rel=\"tag\">#<span>Moon</span></a> <a href=\"https://mastodon.social/tags/LuGRE\" class=\"mention hashtag\" rel=\"tag\">#<span>LuGRE</span></a> <a href=\"https://mastodon.social/tags/GNSS\" class=\"mention hashtag\" rel=\"tag\">#<span>GNSS</span></a> <a href=\"https://mastodon.social/tags/navigation\" class=\"mention hashtag\" rel=\"tag\">#<span>navigation</span></a> <a href=\"https://mastodon.social/tags/polycatenated\" class=\"mention hashtag\" rel=\"tag\">#<span>polycatenated</span></a> <a href=\"https://mastodon.social/tags/three\" class=\"mention hashtag\" rel=\"tag\">#<span>three</span></a>-dimensional <a href=\"https://mastodon.social/tags/chain\" class=\"mention hashtag\" rel=\"tag\">#<span>chain</span></a>-mail <a href=\"https://mastodon.social/tags/PAM\" class=\"mention hashtag\" rel=\"tag\">#<span>PAM</span></a> <a href=\"https://mastodon.social/tags/neurons\" class=\"mention hashtag\" rel=\"tag\">#<span>neurons</span></a> <a href=\"https://mastodon.social/tags/mechanical\" class=\"mention hashtag\" rel=\"tag\">#<span>mechanical</span></a> <a href=\"https://mastodon.social/tags/stretch\" class=\"mention hashtag\" rel=\"tag\">#<span>stretch</span></a> <a href=\"https://mastodon.social/tags/metabolism\" class=\"mention hashtag\" rel=\"tag\">#<span>metabolism</span></a> <a href=\"https://mastodon.social/tags/vagus\" class=\"mention hashtag\" rel=\"tag\">#<span>vagus</span></a> <a href=\"https://mastodon.social/tags/neurons\" class=\"mention hashtag\" rel=\"tag\">#<span>neurons</span></a> <a href=\"https://mastodon.social/tags/memory\" class=\"mention hashtag\" rel=\"tag\">#<span>memory</span></a> <a href=\"https://mastodon.social/tags/electrode\" class=\"mention hashtag\" rel=\"tag\">#<span>electrode</span></a> <a href=\"https://mastodon.social/tags/amygdala\" class=\"mention hashtag\" rel=\"tag\">#<span>amygdala</span></a> <a href=\"https://mastodon.social/tags/hippocampus\" class=\"mention hashtag\" rel=\"tag\">#<span>hippocampus</span></a></p>", "contentMap": { "en": "<p>SciTech Chronicles. . . . . . . . . . . . . . . . . . . . .Jan 22, 2025</p><p><a href=\"https://bit.ly/stc012225\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">bit.ly/stc012225</span><span class=\"invisible\"></span></a></p><p><a href=\"https://mastodon.social/tags/Neuromorphic\" class=\"mention hashtag\" rel=\"tag\">#<span>Neuromorphic</span></a> <a href=\"https://mastodon.social/tags/semiconductor\" class=\"mention hashtag\" rel=\"tag\">#<span>semiconductor</span></a> <a href=\"https://mastodon.social/tags/self\" class=\"mention hashtag\" rel=\"tag\">#<span>self</span></a>-learning <a href=\"https://mastodon.social/tags/memristor\" class=\"mention hashtag\" rel=\"tag\">#<span>memristor</span></a>-based <a href=\"https://mastodon.social/tags/Moon\" class=\"mention hashtag\" rel=\"tag\">#<span>Moon</span></a> <a href=\"https://mastodon.social/tags/LuGRE\" class=\"mention hashtag\" rel=\"tag\">#<span>LuGRE</span></a> <a href=\"https://mastodon.social/tags/GNSS\" class=\"mention hashtag\" rel=\"tag\">#<span>GNSS</span></a> <a href=\"https://mastodon.social/tags/navigation\" class=\"mention hashtag\" rel=\"tag\">#<span>navigation</span></a> <a href=\"https://mastodon.social/tags/polycatenated\" class=\"mention hashtag\" rel=\"tag\">#<span>polycatenated</span></a> <a href=\"https://mastodon.social/tags/three\" class=\"mention hashtag\" rel=\"tag\">#<span>three</span></a>-dimensional <a href=\"https://mastodon.social/tags/chain\" class=\"mention hashtag\" rel=\"tag\">#<span>chain</span></a>-mail <a href=\"https://mastodon.social/tags/PAM\" class=\"mention hashtag\" rel=\"tag\">#<span>PAM</span></a> <a href=\"https://mastodon.social/tags/neurons\" class=\"mention hashtag\" rel=\"tag\">#<span>neurons</span></a> <a href=\"https://mastodon.social/tags/mechanical\" class=\"mention hashtag\" rel=\"tag\">#<span>mechanical</span></a> <a href=\"https://mastodon.social/tags/stretch\" class=\"mention hashtag\" rel=\"tag\">#<span>stretch</span></a> <a href=\"https://mastodon.social/tags/metabolism\" class=\"mention hashtag\" rel=\"tag\">#<span>metabolism</span></a> <a href=\"https://mastodon.social/tags/vagus\" class=\"mention hashtag\" rel=\"tag\">#<span>vagus</span></a> <a href=\"https://mastodon.social/tags/neurons\" class=\"mention hashtag\" rel=\"tag\">#<span>neurons</span></a> <a href=\"https://mastodon.social/tags/memory\" class=\"mention hashtag\" rel=\"tag\">#<span>memory</span></a> <a href=\"https://mastodon.social/tags/electrode\" class=\"mention hashtag\" rel=\"tag\">#<span>electrode</span></a> <a href=\"https://mastodon.social/tags/amygdala\" class=\"mention hashtag\" rel=\"tag\">#<span>amygdala</span></a> <a href=\"https://mastodon.social/tags/hippocampus\" class=\"mention hashtag\" rel=\"tag\">#<span>hippocampus</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/neuromorphic", "name": "#neuromorphic" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/semiconductor", "name": "#semiconductor" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/self", "name": "#self" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/memristor", "name": "#memristor" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/moon", "name": "#moon" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/lugre", "name": "#lugre" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/gnss", "name": "#gnss" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/navigation", "name": "#navigation" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/polycatenated", "name": "#polycatenated" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/three", "name": "#three" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/chain", "name": "#chain" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/pam", "name": "#pam" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/neurons", "name": "#neurons" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/mechanical", "name": "#mechanical" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/stretch", "name": "#stretch" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/metabolism", "name": "#metabolism" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/vagus", "name": "#vagus" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/memory", "name": "#memory" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/electrode", "name": "#electrode" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/amygdala", "name": "#amygdala" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/hippocampus", "name": "#hippocampus" } ], "replies": { "id": "https://mastodon.social/users/johniac/statuses/113873213162034966/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/johniac/statuses/113873213162034966/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/johniac/statuses/113873213162034966/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/johniac/statuses/113873213162034966/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon.social/users/johniac/statuses/113873213162034966/shares", "type": "Collection", "totalItems": 0 } }