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/833ba27a1fb69305bc36d4dad5b75c4b9682c14904b824e89fd656d2e99cb24d", "attributedTo": "https://mostr.pub/users/291c75d937a45f66a1209f8ea6611df7448c59b3526520c66ca2cdcd37f1bfbe", "content": "Any <a class=\"mention hashtag\" href=\"https://mostr.pub/tags/nostr\" rel=\"tag\"><span>#</span>nostr</a> fans that are also into <a class=\"mention hashtag\" href=\"https://mostr.pub/tags/meshtastic\" rel=\"tag\"><span>#</span>meshtastic</a>? My dad got me into it this past weekend and I'm excited to learn more about it as I play.<br /><br />Essentially making a mesh of <a class=\"mention hashtag\" href=\"https://mostr.pub/tags/LoRa\" rel=\"tag\"><span>#</span>LoRa</a> (long range radio) devices to operate 'off grid'.<br /><br />I'm interested to see if anyone here sees clever use cases or simply is messing around like I am. anywho, GM!", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mostr.pub/users/291c75d937a45f66a1209f8ea6611df7448c59b3526520c66ca2cdcd37f1bfbe/followers" ], "tag": [ { "type": "Hashtag", "href": "https://mostr.pub/tags/nostr", "name": "#nostr" }, { "type": "Hashtag", "href": "https://mostr.pub/tags/meshtastic", "name": "#meshtastic" }, { "type": "Hashtag", "href": "https://mostr.pub/tags/LoRa", "name": "#LoRa" } ], "attachment": [], "sensitive": false, "published": "2025-02-24T16:01:30.000Z", "proxyOf": [ { "protocol": "https://github.com/nostr-protocol/nostr", "proxied": "note1sva6y7slk6fst0pk6nddtd6ufwtg9s2fqjuzf6yl6etd96vukfxsk3qlml", "authoritative": true } ] }