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", "https://yggdrasil.social/schemas/litepub-0.1.jsonld", { "@language": "und" } ], "id": "https://yggdrasil.social/users/oneBasedBrother/collections/featured", "orderedItems": [ { "@context": [ "https://www.w3.org/ns/activitystreams", "https://yggdrasil.social/schemas/litepub-0.1.jsonld", { "@language": "und" } ], "actor": "https://yggdrasil.social/users/oneBasedBrother", "attachment": [], "attributedTo": "https://yggdrasil.social/users/oneBasedBrother", "cc": [ "https://yggdrasil.social/users/oneBasedBrother/followers" ], "content": "June 2025 Fundraising Campaign for the Aryan Archive.<br><br>We&#39;re trying to build the largest collection of pro-White educational, informational, and entertainment resources on the Web, and we need your help to do it.<br><br>You can learn more here: <a href=\"https://www.colchestercollection.com/aryan-archive-fundraiser.html\" rel=\"ugc\">https://www.colchestercollection.com/aryan-archive-fundraiser.html</a>", "context": "https://yggdrasil.social/contexts/d07cfe65-83d4-4566-b6b5-a0e919f23919", "conversation": "https://yggdrasil.social/contexts/d07cfe65-83d4-4566-b6b5-a0e919f23919", "id": "https://yggdrasil.social/objects/0cfcfb5b-0a5f-4b30-892e-1170b4174a2a", "published": "2025-06-01T12:28:56.217181Z", "replies": { "items": [ "https://yggdrasil.social/objects/0503df89-c648-42ed-9433-4557a70f722d", "https://yggdrasil.social/objects/d5628031-b327-4d1b-967f-f1ba745ae71b", "https://yggdrasil.social/objects/d986bd5b-2179-4e3f-9474-aaf31aca4948", "https://yggdrasil.social/objects/c25cd3d2-73a1-4960-85ce-d9c45e9c4a83", "https://yggdrasil.social/objects/15d634dd-4060-4bfa-9544-5f0568f63bdd" ], "type": "Collection" }, "repliesCount": 16, "sensitive": null, "source": { "content": "June 2025 Fundraising Campaign for the Aryan Archive.\r\n\r\nWe're trying to build the largest collection of pro-White educational, informational, and entertainment resources on the Web, and we need your help to do it.\r\n\r\nYou can learn more here: https://www.colchestercollection.com/aryan-archive-fundraiser.html", "mediaType": "text/plain" }, "summary": "", "tag": [], "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "type": "Note" } ], "totalItems": 1, "type": "OrderedCollection" }