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", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://mathstodon.xyz/users/DaniLaura/statuses/114466513319427807", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-07T12:19:41Z", "url": "https://mathstodon.xyz/@DaniLaura/114466513319427807", "attributedTo": "https://mathstodon.xyz/users/DaniLaura", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/DaniLaura/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/DaniLaura/statuses/114466513319427807", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2025-05-07:objectId=152037629:objectType=Conversation", "content": "<p>More <a href=\"https://mathstodon.xyz/tags/algorithmicArt\" class=\"mention hashtag\" rel=\"tag\">#<span>algorithmicArt</span></a> based on cubic polynomials, both pieces have the same parameters except for colours, line width and number of polynomials. What do you prefer?<br /><a href=\"https://mathstodon.xyz/tags/Mathematics\" class=\"mention hashtag\" rel=\"tag\">#<span>Mathematics</span></a> <a href=\"https://mathstodon.xyz/tags/MathArt\" class=\"mention hashtag\" rel=\"tag\">#<span>MathArt</span></a> <a href=\"https://mathstodon.xyz/tags/creativeCoding\" class=\"mention hashtag\" rel=\"tag\">#<span>creativeCoding</span></a> <a href=\"https://mathstodon.xyz/tags/NotAI\" class=\"mention hashtag\" rel=\"tag\">#<span>NotAI</span></a></p>", "contentMap": { "en": "<p>More <a href=\"https://mathstodon.xyz/tags/algorithmicArt\" class=\"mention hashtag\" rel=\"tag\">#<span>algorithmicArt</span></a> based on cubic polynomials, both pieces have the same parameters except for colours, line width and number of polynomials. What do you prefer?<br /><a href=\"https://mathstodon.xyz/tags/Mathematics\" class=\"mention hashtag\" rel=\"tag\">#<span>Mathematics</span></a> <a href=\"https://mathstodon.xyz/tags/MathArt\" class=\"mention hashtag\" rel=\"tag\">#<span>MathArt</span></a> <a href=\"https://mathstodon.xyz/tags/creativeCoding\" class=\"mention hashtag\" rel=\"tag\">#<span>creativeCoding</span></a> <a href=\"https://mathstodon.xyz/tags/NotAI\" class=\"mention hashtag\" rel=\"tag\">#<span>NotAI</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://media.mathstodon.xyz/media_attachments/files/114/466/491/000/558/520/original/c97a2be3d8ef848b.png", "name": "Blue, purple and magenta curves over black background, two symmetry axes.", "blurhash": "U63kHjfRNofQfRfQfQfQA6fQx1fQa{fQfQfQ", "focalPoint": [ 0, 0 ], "width": 1024, "height": 1024 }, { "type": "Document", "mediaType": "image/png", "url": "https://media.mathstodon.xyz/media_attachments/files/114/466/491/081/469/980/original/c68111418de2a0f5.png", "name": "Similar composition with many more lines. Blue, purple and magenta curves over white background, the curves at the center join to form a continuous gradient.", "blurhash": "UqQva@j[.6j[j[a{fQju_JfQMzfQj[jufQa{", "focalPoint": [ 0, 0 ], "width": 1024, "height": 1024 } ], "tag": [ { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/NotAI", "name": "#NotAI" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/creativecoding", "name": "#creativecoding" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/mathart", "name": "#mathart" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/mathematics", "name": "#mathematics" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/algorithmicart", "name": "#algorithmicart" } ], "replies": { "id": "https://mathstodon.xyz/users/DaniLaura/statuses/114466513319427807/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/DaniLaura/statuses/114466513319427807/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/DaniLaura/statuses/114466513319427807/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/DaniLaura/statuses/114466513319427807/likes", "type": "Collection", "totalItems": 9 }, "shares": { "id": "https://mathstodon.xyz/users/DaniLaura/statuses/114466513319427807/shares", "type": "Collection", "totalItems": 4 } }