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://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" }, "Hashtag": "as:Hashtag", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://mastodon.social/users/librecan", "type": "Person", "following": "https://mastodon.social/users/librecan/following", "followers": "https://mastodon.social/users/librecan/followers", "inbox": "https://mastodon.social/users/librecan/inbox", "outbox": "https://mastodon.social/users/librecan/outbox", "featured": "https://mastodon.social/users/librecan/collections/featured", "featuredTags": "https://mastodon.social/users/librecan/collections/tags", "preferredUsername": "librecan", "name": "LibreCan", "summary": "<p>Meetup y comunidad de mentes curiosas sobre software libre, cultura libre, derechos digitales y tecnología ética en Canarias. Un meetup diferente, sin guión, sin discursos, solo conversación, ideas y comunidad.</p><p>¡Únete al foro y participa en la primera <a href=\"https://mastodon.social/tags/LibreCan2025\" class=\"mention hashtag\" rel=\"tag\">#<span>LibreCan2025</span></a>!</p><p>🇮🇨 <a href=\"https://mastodon.social/tags/Canarias\" class=\"mention hashtag\" rel=\"tag\">#<span>Canarias</span></a> <a href=\"https://mastodon.social/tags/Meetup\" class=\"mention hashtag\" rel=\"tag\">#<span>Meetup</span></a> <a href=\"https://mastodon.social/tags/SoftwareLibre\" class=\"mention hashtag\" rel=\"tag\">#<span>SoftwareLibre</span></a> <a href=\"https://mastodon.social/tags/CulturaLibre\" class=\"mention hashtag\" rel=\"tag\">#<span>CulturaLibre</span></a> <a href=\"https://mastodon.social/tags/Descentralizacion\" class=\"mention hashtag\" rel=\"tag\">#<span>Descentralizacion</span></a> <a href=\"https://mastodon.social/tags/Privacidad\" class=\"mention hashtag\" rel=\"tag\">#<span>Privacidad</span></a> <a href=\"https://mastodon.social/tags/DerechosDigitales\" class=\"mention hashtag\" rel=\"tag\">#<span>DerechosDigitales</span></a></p>", "url": "https://mastodon.social/@librecan", "manuallyApprovesFollowers": false, "discoverable": true, "indexable": true, "published": "2025-02-28T00:00:00Z", "memorial": false, "publicKey": { "id": "https://mastodon.social/users/librecan#main-key", "owner": "https://mastodon.social/users/librecan", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6ewwKvfkeS1MEqZXlPC9\nHaPUrx7RWN1vgdqQtKPZwYnXHRH0LbIpRjHnlq77n98CNVq0xxQRomXFNDmPwI5G\nhcy22foEd7YjUFKxnYCKW5ZIKXEEvmqV9MMBsKlzdo2ETw7cNONPzrQNMELAGqt1\nz/zlxW9VJcndLkHC7HZ2QylOLU4/AtOldPMndSsPzQeUxEo+xsgkPiOa7mtcZJFF\n1N1ubzoVIi2PHuq9++NReeQMlgmS+vcjg0qNafU7nMISPnMzRLe+d5iC5P8on9Bg\n3cjs7ydQo6um67CkfuCchY9uvol76qy5m1X6kY+QoRFWxycpgfuw5lxbhQQf5t3k\n8QIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/softwarelibre", "name": "#softwarelibre" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/culturalibre", "name": "#culturalibre" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/privacidad", "name": "#privacidad" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/derechosdigitales", "name": "#derechosdigitales" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/descentralizacion", "name": "#descentralizacion" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/meetup", "name": "#meetup" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/canarias", "name": "#canarias" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/librecan2025", "name": "#librecan2025" } ], "attachment": [ { "type": "PropertyValue", "name": "Web", "value": "<a href=\"https://librecan.com\" target=\"_blank\" rel=\"nofollow noopener me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">librecan.com</span><span class=\"invisible\"></span></a>" }, { "type": "PropertyValue", "name": "Foro", "value": "<a href=\"https://foro.librecan.com\" target=\"_blank\" rel=\"nofollow noopener me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">foro.librecan.com</span><span class=\"invisible\"></span></a>" }, { "type": "PropertyValue", "name": "Meetup", "value": "<a href=\"https://mastodon.social/tags/librecan2025\" class=\"mention hashtag\" rel=\"tag\">#<span>librecan2025</span></a>" } ], "endpoints": { "sharedInbox": "https://mastodon.social/inbox" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://files.mastodon.social/accounts/avatars/114/082/029/330/399/892/original/898229b4b58b7cd0.png" }, "image": { "type": "Image", "mediaType": "image/png", "url": "https://files.mastodon.social/accounts/headers/114/082/029/330/399/892/original/8fa798450e72a056.png" } }