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/h4ckernews/statuses/114214487407342657", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-03-24T00:06:11Z", "url": "https://mastodon.social/@h4ckernews/114214487407342657", "attributedTo": "https://mastodon.social/users/h4ckernews", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/h4ckernews/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/h4ckernews/statuses/114214487407342657", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-03-24:objectId=953674083:objectType=Conversation", "content": "<p>English Scientists Develop Fast, High-Quality AI Weather Model for Desktops</p><p><a href=\"https://www.turing.ac.uk/blog/project-aardvark-reimagining-ai-weather-prediction\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">turing.ac.uk/blog/project-aard</span><span class=\"invisible\">vark-reimagining-ai-weather-prediction</span></a></p><p><a href=\"https://mastodon.social/tags/HackerNews\" class=\"mention hashtag\" rel=\"tag\">#<span>HackerNews</span></a> <a href=\"https://mastodon.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a> <a href=\"https://mastodon.social/tags/Weather\" class=\"mention hashtag\" rel=\"tag\">#<span>Weather</span></a> <a href=\"https://mastodon.social/tags/Model\" class=\"mention hashtag\" rel=\"tag\">#<span>Model</span></a> <a href=\"https://mastodon.social/tags/Fast\" class=\"mention hashtag\" rel=\"tag\">#<span>Fast</span></a> <a href=\"https://mastodon.social/tags/Weather\" class=\"mention hashtag\" rel=\"tag\">#<span>Weather</span></a> <a href=\"https://mastodon.social/tags/Prediction\" class=\"mention hashtag\" rel=\"tag\">#<span>Prediction</span></a> <a href=\"https://mastodon.social/tags/High\" class=\"mention hashtag\" rel=\"tag\">#<span>High</span></a> <a href=\"https://mastodon.social/tags/Quality\" class=\"mention hashtag\" rel=\"tag\">#<span>Quality</span></a> <a href=\"https://mastodon.social/tags/Science\" class=\"mention hashtag\" rel=\"tag\">#<span>Science</span></a> <a href=\"https://mastodon.social/tags/Innovation\" class=\"mention hashtag\" rel=\"tag\">#<span>Innovation</span></a></p>", "contentMap": { "en": "<p>English Scientists Develop Fast, High-Quality AI Weather Model for Desktops</p><p><a href=\"https://www.turing.ac.uk/blog/project-aardvark-reimagining-ai-weather-prediction\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">turing.ac.uk/blog/project-aard</span><span class=\"invisible\">vark-reimagining-ai-weather-prediction</span></a></p><p><a href=\"https://mastodon.social/tags/HackerNews\" class=\"mention hashtag\" rel=\"tag\">#<span>HackerNews</span></a> <a href=\"https://mastodon.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a> <a href=\"https://mastodon.social/tags/Weather\" class=\"mention hashtag\" rel=\"tag\">#<span>Weather</span></a> <a href=\"https://mastodon.social/tags/Model\" class=\"mention hashtag\" rel=\"tag\">#<span>Model</span></a> <a href=\"https://mastodon.social/tags/Fast\" class=\"mention hashtag\" rel=\"tag\">#<span>Fast</span></a> <a href=\"https://mastodon.social/tags/Weather\" class=\"mention hashtag\" rel=\"tag\">#<span>Weather</span></a> <a href=\"https://mastodon.social/tags/Prediction\" class=\"mention hashtag\" rel=\"tag\">#<span>Prediction</span></a> <a href=\"https://mastodon.social/tags/High\" class=\"mention hashtag\" rel=\"tag\">#<span>High</span></a> <a href=\"https://mastodon.social/tags/Quality\" class=\"mention hashtag\" rel=\"tag\">#<span>Quality</span></a> <a href=\"https://mastodon.social/tags/Science\" class=\"mention hashtag\" rel=\"tag\">#<span>Science</span></a> <a href=\"https://mastodon.social/tags/Innovation\" class=\"mention hashtag\" rel=\"tag\">#<span>Innovation</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/hackernews", "name": "#hackernews" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/ai", "name": "#ai" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/weather", "name": "#weather" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/model", "name": "#model" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/fast", "name": "#fast" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/prediction", "name": "#prediction" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/high", "name": "#high" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/quality", "name": "#quality" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/science", "name": "#science" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/innovation", "name": "#innovation" } ], "replies": { "id": "https://mastodon.social/users/h4ckernews/statuses/114214487407342657/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/h4ckernews/statuses/114214487407342657/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/h4ckernews/statuses/114214487407342657/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/h4ckernews/statuses/114214487407342657/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon.social/users/h4ckernews/statuses/114214487407342657/shares", "type": "Collection", "totalItems": 0 } }