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", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.social/users/setiinstitute/statuses/114518110666693379", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-16T15:01:34Z", "url": "https://mastodon.social/@setiinstitute/114518110666693379", "attributedTo": "https://mastodon.social/users/setiinstitute", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/setiinstitute/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/setiinstitute/statuses/114518110666693379", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-05-16:objectId=998704490:objectType=Conversation", "content": "<p><a href=\"https://mastodon.social/tags/PPOD\" class=\"mention hashtag\" rel=\"tag\">#<span>PPOD</span></a>: Jupiter’s south pole, as seen by NASA’s Juno spacecraft from an altitude of 52,000 kilometers. The oval features are cyclones, up to 1,000 kilometers in diameter. Multiple images taken with the JunoCam instrument on three separate orbits were combined to show all areas in daylight, enhanced color, and stereographic projection. Credit: NASA/JPL-Caltech/SwRI/MSSS/Betsy Asher Hall/Gervasio Robles </p><p><a href=\"https://mastodon.social/tags/space\" class=\"mention hashtag\" rel=\"tag\">#<span>space</span></a> <a href=\"https://mastodon.social/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a> <a href=\"https://mastodon.social/tags/scicomm\" class=\"mention hashtag\" rel=\"tag\">#<span>scicomm</span></a></p>", "contentMap": { "en": "<p><a href=\"https://mastodon.social/tags/PPOD\" class=\"mention hashtag\" rel=\"tag\">#<span>PPOD</span></a>: Jupiter’s south pole, as seen by NASA’s Juno spacecraft from an altitude of 52,000 kilometers. The oval features are cyclones, up to 1,000 kilometers in diameter. Multiple images taken with the JunoCam instrument on three separate orbits were combined to show all areas in daylight, enhanced color, and stereographic projection. Credit: NASA/JPL-Caltech/SwRI/MSSS/Betsy Asher Hall/Gervasio Robles </p><p><a href=\"https://mastodon.social/tags/space\" class=\"mention hashtag\" rel=\"tag\">#<span>space</span></a> <a href=\"https://mastodon.social/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a> <a href=\"https://mastodon.social/tags/scicomm\" class=\"mention hashtag\" rel=\"tag\">#<span>scicomm</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/media_attachments/files/114/518/110/485/698/448/original/f83fa00746e504be.jpeg", "name": "A detailed view looking up at Jupiter's south pole, showing swirling blue storms at the bottom and leading into browner and lighter bands at the outer edges.", "blurhash": "ULEyD3j[v|bbofoejvR+VXoK0gWWf+j[WAWX", "width": 930, "height": 1024 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/PPOD", "name": "#PPOD" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/space", "name": "#space" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/science", "name": "#science" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/scicomm", "name": "#scicomm" } ], "replies": { "id": "https://mastodon.social/users/setiinstitute/statuses/114518110666693379/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/setiinstitute/statuses/114518110666693379/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/setiinstitute/statuses/114518110666693379/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/setiinstitute/statuses/114518110666693379/likes", "type": "Collection", "totalItems": 131 }, "shares": { "id": "https://mastodon.social/users/setiinstitute/statuses/114518110666693379/shares", "type": "Collection", "totalItems": 129 } }