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", { "manuallyApprovesFollowers": "as:manuallyApprovesFollowers", "toot": "http://joinmastodon.org/ns#", "featured": { "@id": "toot:featured", "@type": "@id" }, "featuredTags": { "@id": "toot:featuredTags", "@type": "@id" }, "alsoKnownAs": { "@id": "as:alsoKnownAs", "@type": "@id" }, "movedTo": { "@id": "as:movedTo", "@type": "@id" }, "schema": "http://schema.org#", "PropertyValue": "schema:PropertyValue", "value": "schema:value", "discoverable": "toot:discoverable", "suspended": "toot:suspended", "memorial": "toot:memorial", "indexable": "toot:indexable", "attributionDomains": { "@id": "toot:attributionDomains", "@type": "@id" }, "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://infosec.exchange/users/TXRattler", "type": "Person", "following": "https://infosec.exchange/users/TXRattler/following", "followers": "https://infosec.exchange/users/TXRattler/followers", "inbox": "https://infosec.exchange/users/TXRattler/inbox", "outbox": "https://infosec.exchange/users/TXRattler/outbox", "featured": "https://infosec.exchange/users/TXRattler/collections/featured", "featuredTags": "https://infosec.exchange/users/TXRattler/collections/tags", "preferredUsername": "TXRattler", "name": "TXRattler", "summary": "<p>I’m learning OSINT through CTFs and field exercises. No certs, no title — just doing the work, following trails, and building my voice. Want to be around signal and not hype.</p>", "url": "https://infosec.exchange/@TXRattler", "manuallyApprovesFollowers": false, "discoverable": true, "indexable": true, "published": "2025-05-22T00:00:00Z", "memorial": false, "publicKey": { "id": "https://infosec.exchange/users/TXRattler#main-key", "owner": "https://infosec.exchange/users/TXRattler", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArRtAqJuGK0YlZC++bTQ0\nNTaeVMaUz58lh/pgcu1HXuYjUChY5mkuMe7N3oUmD3VrUjGb6wcHLDGzmDGH8M+G\nUVRVI+KjVPjwmPzlCNdZeelbFv8PuOvmzGsff94xF5/e45QXxJrpQnLrihVG++Qm\nY4mckocCDocnCJKXerwjT1ny7iRFfk7cjeNJTrfWjhqTBz236fOPL/qQnJpiuBd/\nPqMu4PlYbqujG3w+mGYx1rI7d4JRVF1xs6l2wHNrgifcmp9ZC0P+Nd9ByMmPk/bk\nbpoqqMJrhtCPZeI4pvIKdm3u6zpwnoJ3N7I17fU3YPugCkrZDnWABnJ/CeiqpXVB\n7QIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [], "attachment": [ { "type": "PropertyValue", "name": "Bluesky", "value": "<a href=\"https://bsky.app/profile/txrattler.bsky.social\" target=\"_blank\" rel=\"nofollow noopener me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">bsky.app/profile/txrattler.bsk</span><span class=\"invisible\">y.social</span></a>" }, { "type": "PropertyValue", "name": "Blog", "value": "<a href=\"https://medium.com/@txrattler\" target=\"_blank\" rel=\"nofollow noopener me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">medium.com/@txrattler</span><span class=\"invisible\"></span></a>" } ], "endpoints": { "sharedInbox": "https://infosec.exchange/inbox" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://media.infosec.exchange/infosec.exchange/accounts/avatars/114/554/083/690/579/196/original/f59d183264c857a0.png" } }