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/loren.cast/833715002769895078", "type": "Note", "summary": null, "content": "Museu do Amanhã, Rio de Janeiro 🇧🇷<br />\n<br />\n<br />\n<a href=\"https://pixelfed.social/discover/tags/riodejaneiro?src=hash\" title=\"#riodejaneiro\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#riodejaneiro</a> <a href=\"https://pixelfed.social/discover/tags/downtown?src=hash\" title=\"#downtown\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#downtown</a> <a href=\"https://pixelfed.social/discover/tags/museudoamanha?src=hash\" title=\"#museudoamanha\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#museudoamanha</a> <a href=\"https://pixelfed.social/discover/tags/brazil?src=hash\" title=\"#brazil\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#brazil</a> <a href=\"https://pixelfed.social/discover/tags/arquitecture?src=hash\" title=\"#arquitecture\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#arquitecture</a> <a href=\"https://pixelfed.social/discover/tags/structure?src=hash\" title=\"#structure\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#structure</a> <a href=\"https://pixelfed.social/discover/tags/museum?src=hash\" title=\"#museum\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#museum</a> <a href=\"https://pixelfed.social/discover/tags/museu?src=hash\" title=\"#museu\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#museu</a> <a href=\"https://pixelfed.social/discover/tags/photography?src=hash\" title=\"#photography\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#photography</a>", "inReplyTo": null, "published": "2025-05-29T14:45:46+00:00", "url": "https://pixelfed.social/p/loren.cast/833715002769895078", "attributedTo": "https://pixelfed.social/users/loren.cast", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://pixelfed.social/users/loren.cast/followers" ], "sensitive": false, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://pxscdn.com/public/m/_v2/830452248253534330/208209554-471e9e/dN919A9DHtxU/sO971lfplkeFbEBzETUrKxifBbFggJJHeeoDyd4o.jpg", "name": null, "blurhash": "U5H2TI00~q9G00$b9Gn~00?HSj%gt.x]IURP", "focalPoint": [ 0, 0 ], "width": 1013, "height": 1350 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://pxscdn.com/public/m/_v2/830452248253534330/208209554-471e9e/WIDkuaoIExqk/i7JmyH3aixC5jVyWpf99ZNBG6fG7PEuUMA64586P.jpg", "name": null, "blurhash": "UKCQZ1t7X9jrKnWVjuj@IVV@nhj]ROt7ofWD", "focalPoint": [ 0, 0 ], "width": 1013, "height": 1350 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://pxscdn.com/public/m/_v2/830452248253534330/208209554-471e9e/jI0CbLNL0nlQ/Yg4j356MaEt6bULSa6YmCjwCnxtKPxTonjnuXvHA.jpg", "name": null, "blurhash": "U3HL@#u500x?00NG?aso00^%03XnRPVtRijE", "focalPoint": [ 0, 0 ], "width": 1013, "height": 1350 } ], "tag": [ { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/photography", "name": "#photography" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/museum", "name": "#museum" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/brazil", "name": "#brazil" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/riodejaneiro", "name": "#RioDeJaneiro" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/downtown", "name": "#downtown" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/structure", "name": "#structure" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/arquitecture", "name": "#arquitecture" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/museu", "name": "#Museu" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/museudoamanha", "name": "#museudoamanha" } ], "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 }