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://w3id.org/security/v1", "https://www.w3.org/ns/activitystreams", { "Hashtag": "as:Hashtag", "sensitive": "as:sensitive", "schema": "http://schema.org/", "pixelfed": "http://pixelfed.org/ns#", "commentsEnabled": { "@id": "pixelfed:commentsEnabled", "@type": "schema:Boolean" }, "capabilities": { "@id": "pixelfed:capabilities", "@container": "@set" }, "announce": { "@id": "pixelfed:canAnnounce", "@type": "@id" }, "like": { "@id": "pixelfed:canLike", "@type": "@id" }, "reply": { "@id": "pixelfed:canReply", "@type": "@id" }, "toot": "http://joinmastodon.org/ns#", "Emoji": "toot:Emoji", "blurhash": "toot:blurhash" } ], "id": "https://pixelfed.social/p/gregsmith/825514537127784119", "type": "Note", "summary": null, "content": "The Milky Way core, a far more interesting subject than the Eta Aquariids meteor shower in the opposite direction.<br />\n<br />\n<a href=\"https://pixelfed.social/discover/tags/astro?src=hash\" title=\"#astro\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#astro</a> <a href=\"https://pixelfed.social/discover/tags/astrophotography?src=hash\" title=\"#astrophotography\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#astrophotography</a> <a href=\"https://pixelfed.social/discover/tags/milkyway?src=hash\" title=\"#milkyway\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#milkyway</a> <a href=\"https://pixelfed.social/discover/tags/milkywaycore?src=hash\" title=\"#milkywaycore\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#milkywaycore</a>", "inReplyTo": null, "published": "2025-05-06T23:40:02+00:00", "url": "https://pixelfed.social/p/gregsmith/825514537127784119", "attributedTo": "https://pixelfed.social/users/gregsmith", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://pixelfed.social/users/gregsmith/followers" ], "sensitive": false, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://pxscdn.com/public/m/_v2/495353164908286979/208209554-471e9e/oPqWYRnA7qkc/E48NA9peQ4pyhvzsfFqvwFfNp53juB5kWfS9Wynt.jpg", "name": "The Milky Way core, above the silhouette of eucalyptus trees.", "blurhash": "U37dqP-:M|s-~DD%IU%M4nE1R*t6o#t8s:Rj", "focalPoint": [ 0, 0 ], "width": 1512, "height": 1080 } ], "tag": [ { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/astro", "name": "#astro" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/milkyway", "name": "#milkyway" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/astrophotography", "name": "#astrophotography" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/milkywaycore", "name": "#milkywaycore" } ], "commentsEnabled": true, "capabilities": { "announce": "https://www.w3.org/ns/activitystreams#Public", "like": "https://www.w3.org/ns/activitystreams#Public", "reply": "https://www.w3.org/ns/activitystreams#Public" }, "location": null }