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", "Hashtag": "as:Hashtag" } ], "id": "https://mathstodon.xyz/users/caten/statuses/114787179801701389", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-07-03T03:29:23Z", "url": "https://mathstodon.xyz/@caten/114787179801701389", "attributedTo": "https://mathstodon.xyz/users/caten", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/caten/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/caten/statuses/114787179801701389", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2025-07-03:objectId=161330354:objectType=Conversation", "content": "<p>After realizing that the vast majority of searches I make on my phone are either</p><p>1) for a Wikipedia article or<br />2) for a website whose URL I can&#39;t remember, which has a Wikipedia article with a link to the website</p><p>I finally realized that I needed to just make Wikipedia my default search engine. This has already greatly reduced the amount of stress I experience sifting through LLM SEO spam and AI-generated nonsense.</p><p><a href=\"https://mathstodon.xyz/tags/web\" class=\"mention hashtag\" rel=\"tag\">#<span>web</span></a> <a href=\"https://mathstodon.xyz/tags/search\" class=\"mention hashtag\" rel=\"tag\">#<span>search</span></a> <a href=\"https://mathstodon.xyz/tags/Wikipedia\" class=\"mention hashtag\" rel=\"tag\">#<span>Wikipedia</span></a></p>", "contentMap": { "en": "<p>After realizing that the vast majority of searches I make on my phone are either</p><p>1) for a Wikipedia article or<br />2) for a website whose URL I can&#39;t remember, which has a Wikipedia article with a link to the website</p><p>I finally realized that I needed to just make Wikipedia my default search engine. This has already greatly reduced the amount of stress I experience sifting through LLM SEO spam and AI-generated nonsense.</p><p><a href=\"https://mathstodon.xyz/tags/web\" class=\"mention hashtag\" rel=\"tag\">#<span>web</span></a> <a href=\"https://mathstodon.xyz/tags/search\" class=\"mention hashtag\" rel=\"tag\">#<span>search</span></a> <a href=\"https://mathstodon.xyz/tags/Wikipedia\" class=\"mention hashtag\" rel=\"tag\">#<span>Wikipedia</span></a></p>" }, "updated": "2025-07-03T03:32:24Z", "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/wikipedia", "name": "#wikipedia" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/search", "name": "#search" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/web", "name": "#web" } ], "replies": { "id": "https://mathstodon.xyz/users/caten/statuses/114787179801701389/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/caten/statuses/114787179801701389/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/caten/statuses/114787179801701389/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/caten/statuses/114787179801701389/likes", "type": "Collection", "totalItems": 42 }, "shares": { "id": "https://mathstodon.xyz/users/caten/statuses/114787179801701389/shares", "type": "Collection", "totalItems": 14 } }