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" }, "Hashtag": "as:Hashtag", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://hci.social/users/mucConf", "type": "Person", "following": "https://hci.social/users/mucConf/following", "followers": "https://hci.social/users/mucConf/followers", "inbox": "https://hci.social/users/mucConf/inbox", "outbox": "https://hci.social/users/mucConf/outbox", "featured": "https://hci.social/users/mucConf/collections/featured", "featuredTags": "https://hci.social/users/mucConf/collections/tags", "preferredUsername": "mucConf", "name": "Mensch und Computer", "summary": "<p>Mastodon profile of the Mensch und Computer Conference Series</p><p>Next event: Chemnitz, 31. August - 03. September 2025</p><p><a href=\"https://hci.social/tags/MUC2025\" class=\"mention hashtag\" rel=\"tag\">#<span>MUC2025</span></a> <a href=\"https://hci.social/tags/DigitalDiversity\" class=\"mention hashtag\" rel=\"tag\">#<span>DigitalDiversity</span></a></p>", "url": "https://hci.social/@mucConf", "manuallyApprovesFollowers": false, "discoverable": true, "indexable": true, "published": "2023-11-16T00:00:00Z", "memorial": false, "publicKey": { "id": "https://hci.social/users/mucConf#main-key", "owner": "https://hci.social/users/mucConf", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnbqPJ4BMMvvtjsUNOVrP\nHrrs9N+yL8NfRAETYXy3vACEoaAjy9/FDKCKLJay5Vv4db4lTcFqNvugfnffgs7M\nKJoeokgltzww8I302mckhesASCUCDMvLtjglx9E3Wur9CK1LJMegjDuwrDvKGGDO\nAQBIZuQui/DJ9vD4Xz/0diOjPA7lPQ8oQK/5B3iNg1Fu3MNFOYX+2zMjoTpU0C6p\n4hGxd/VWRiYBTmBLwbd0GhSuIzEqjlzBklWMt1JhVl+Xjns/BmSpepgNEwught3u\nT3pSbEPtwrO/7k91NDgEmExXgQDHWLNPfFiBuwM+b+xDEHkeTnu8FAU3kpTkIvuP\n3wIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "type": "Hashtag", "href": "https://hci.social/tags/muc2025", "name": "#muc2025" }, { "type": "Hashtag", "href": "https://hci.social/tags/digitaldiversity", "name": "#digitaldiversity" } ], "attachment": [ { "type": "PropertyValue", "name": "Website", "value": "<a href=\"https://muc2025.mensch-und-computer.de/en/\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">muc2025.mensch-und-computer.de</span><span class=\"invisible\">/en/</span></a>" } ], "endpoints": { "sharedInbox": "https://hci.social/inbox" }, "icon": { "type": "Image", "mediaType": "image/jpeg", "url": "https://storage.googleapis.com/hci-social-storage/accounts/avatars/111/419/348/730/175/910/original/9d38310df17899fe.jpg" }, "image": { "type": "Image", "mediaType": "image/png", "url": "https://storage.googleapis.com/hci-social-storage/accounts/headers/111/419/348/730/175/910/original/1760a9b02fc18ae2.png" } }