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://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/AllanICarswellObservatory/799674891648994551", "type": "Note", "summary": null, "content": "Tune in to a new episode of York Universe LIVE tonight! Join our host astronomers as they dive into fascinating space history, including the Venera 3 crash landing, and exciting astronomy news. If weather permits, we will have Online Public Viewing where we show you live views from our 1m telescope!<br />\n<br />\nDate: Monday, February 24, 2025<br />\n Time: 9:00 – 10:00 PM ET<br />\n Where: www.youtube.com/@YorkUObservatory/live<br />\n<br />\n<a href=\"https://pixelfed.social/discover/tags/Venera3?src=hash\" title=\"#Venera3\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#Venera3</a> <a href=\"https://pixelfed.social/discover/tags/CrashLanding?src=hash\" title=\"#CrashLanding\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#CrashLanding</a> <a href=\"https://pixelfed.social/discover/tags/Astronomy?src=hash\" title=\"#Astronomy\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#Astronomy</a> <a href=\"https://pixelfed.social/discover/tags/Space?src=hash\" title=\"#Space\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#Space</a> <a href=\"https://pixelfed.social/discover/tags/Astronomer?src=hash\" title=\"#Astronomer\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#Astronomer</a> <a href=\"https://pixelfed.social/discover/tags/Radio?src=hash\" title=\"#Radio\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#Radio</a> <a href=\"https://pixelfed.social/discover/tags/Show?src=hash\" title=\"#Show\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#Show</a> <a href=\"https://pixelfed.social/discover/tags/Podcast?src=hash\" title=\"#Podcast\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#Podcast</a> <a href=\"https://pixelfed.social/discover/tags/YorkU?src=hash\" title=\"#YorkU\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#YorkU</a> <a href=\"https://pixelfed.social/discover/tags/Observatory?src=hash\" title=\"#Observatory\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#Observatory</a> <a href=\"https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash\" title=\"#AllanICarswellObservatory\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#AllanICarswellObservatory</a> <a href=\"https://pixelfed.social/discover/tags/Stargazing?src=hash\" title=\"#Stargazing\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#Stargazing</a> <a href=\"https://pixelfed.social/discover/tags/YorkUniverse?src=hash\" title=\"#YorkUniverse\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#YorkUniverse</a> <a href=\"https://pixelfed.social/discover/tags/Telescope?src=hash\" title=\"#Telescope\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#Telescope</a> <a href=\"https://pixelfed.social/discover/tags/Planets?src=hash\" title=\"#Planets\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#Planets</a> <a href=\"https://pixelfed.social/discover/tags/Stars?src=hash\" title=\"#Stars\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#Stars</a> <a href=\"https://pixelfed.social/discover/tags/Science?src=hash\" title=\"#Science\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#Science</a> <a href=\"https://pixelfed.social/discover/tags/Physics?src=hash\" title=\"#Physics\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#Physics</a> <a href=\"https://pixelfed.social/discover/tags/Toronto?src=hash\" title=\"#Toronto\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#Toronto</a> <a href=\"https://pixelfed.social/discover/tags/YorkuObservatory?src=hash\" title=\"#YorkuObservatory\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#YorkuObservatory</a>", "inReplyTo": null, "published": "2025-02-24T16:22:31+00:00", "url": "https://pixelfed.social/p/AllanICarswellObservatory/799674891648994551", "attributedTo": "https://pixelfed.social/users/AllanICarswellObservatory", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://pixelfed.social/users/AllanICarswellObservatory/followers" ], "sensitive": false, "attachment": [ { "type": "Image", "mediaType": "image/png", "url": "https://pxscdn.com/public/m/_v2/785627475871901347/758e75a50-ddd61a/oHfEp4VJUNHw/0cJzd80mOb5LbhScJzoVPl3oIXhqAJ6YJkzSzvFn.png", "name": null, "blurhash": "U3ATA+EL00xa?^;gKiOr00S#pcxF00O?R5I;", "width": 1080, "height": 1080 } ], "tag": [ { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/physics", "name": "#physics" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/space", "name": "#space" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/radio", "name": "#radio" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/toronto", "name": "#toronto" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/astronomy", "name": "#astronomy" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/stars", "name": "#Stars" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/podcast", "name": "#Podcast" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/science", "name": "#science" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/show", "name": "#show" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/planets", "name": "#planets" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/stargazing", "name": "#stargazing" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/observatory", "name": "#observatory" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/telescope", "name": "#telescope" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/astronomer", "name": "#Astronomer" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/yorku", "name": "#YorkU" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/crashlanding", "name": "#crashlanding" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/allanicarswellobservatory", "name": "#AllanICarswellObservatory" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/yorkuobservatory", "name": "#YorkUObservatory" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/yorkuniverse", "name": "#YorkUniverse" }, { "type": "Hashtag", "href": "https://pixelfed.social/discover/tags/venera3", "name": "#Venera3" } ], "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 }