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", "https://w3id.org/security/v1", { "mostr": "http://mostr.pub/ns#", "Zap": "mostr:Zap", "xsd": "http://www.w3.org/2001/XMLSchema#", "fep": "https://w3id.org/fep/", "proxyOf": { "@id": "fep:fffd/proxyOf", "@type": "@id", "@container": "@set" }, "protocol": { "@id": "fep:fffd/protocol", "@type": "@id" }, "proxied": { "@id": "fep:fffd/proxied", "@type": "xsd:string" }, "authoritative": { "@id": "fep:fffd/authoritative", "@type": "xsd:boolean" } } ], "type": "Note", "id": "https://mostr.pub/objects/f774d282ea6a2c7207a01654dec82ba604606f856275c859363f2198a2fde28f", "attributedTo": "https://mostr.pub/users/1c197b12ca9ce0415b70e7405b9770f0ec6bccfb59b32b63aafd42cb242e1642", "content": "<a class=\"mention hashtag\" href=\"https://mostr.pub/tags/thecommschannel\" rel=\"tag\"><span>#</span>thecommschannel</a> <a class=\"mention hashtag\" href=\"https://mostr.pub/tags/hamradio\" rel=\"tag\"><span>#</span>hamradio</a> <a class=\"mention hashtag\" href=\"https://mostr.pub/tags/meshtastic\" rel=\"tag\"><span>#</span>meshtastic</a> <a class=\"mention hashtag\" href=\"https://mostr.pub/tags/meshnet\" rel=\"tag\"><span>#</span>meshnet</a><br />TC² Off-Grid APRS BBS &amp; Mail system!<br /><a href=\"https://video.nostr.build/e73c847ef737415404a7af74b11c9be3457542d661b3b281a7ee1605b08fbc74.mp4\">https://video.nostr.build/e73c847ef737415404a7af74b11c9be3457542d661b3b281a7ee1605b08fbc74.mp4</a><br /><br /><a href=\"https://www.youtube.com/watch?v=u_kqY7GXfec\">https://www.youtube.com/watch?v=u_kqY7GXfec</a>", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mostr.pub/users/1c197b12ca9ce0415b70e7405b9770f0ec6bccfb59b32b63aafd42cb242e1642/followers" ], "tag": [ { "type": "Hashtag", "href": "https://mostr.pub/tags/thecommschannel", "name": "#thecommschannel" }, { "type": "Hashtag", "href": "https://mostr.pub/tags/hamradio", "name": "#hamradio" }, { "type": "Hashtag", "href": "https://mostr.pub/tags/meshtastic", "name": "#meshtastic" }, { "type": "Hashtag", "href": "https://mostr.pub/tags/meshnet", "name": "#meshnet" } ], "attachment": [ { "type": "Document", "url": "https://video.nostr.build/e73c847ef737415404a7af74b11c9be3457542d661b3b281a7ee1605b08fbc74.mp4", "mediaType": "video/mp4", "blurhash": "iMFrx30L?b-qb^^jNy%M-T.T$ys+b_-UkX%MxvX8-pSPM|s,bHRjR%jEay%KbIWYs+S5oge-R*kD$$ofW=xYt7XAxZozkD", "width": 640, "height": 360 } ], "sensitive": false, "published": "2025-01-01T18:01:10.000Z", "proxyOf": [ { "protocol": "https://github.com/nostr-protocol/nostr", "proxied": "note17a6d9qh2dgk8ypaqze2dajpt5czxqmu9vf6uskfk8use3ghau28s96378l", "authoritative": true } ] }