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://social.vivaldi.net/users/mdbr", "type": "Person", "following": "https://social.vivaldi.net/users/mdbr/following", "followers": "https://social.vivaldi.net/users/mdbr/followers", "inbox": "https://social.vivaldi.net/users/mdbr/inbox", "outbox": "https://social.vivaldi.net/users/mdbr/outbox", "featured": "https://social.vivaldi.net/users/mdbr/collections/featured", "featuredTags": "https://social.vivaldi.net/users/mdbr/collections/tags", "preferredUsername": "mdbr", "name": "Modibor", "summary": "", "url": "https://social.vivaldi.net/@mdbr", "manuallyApprovesFollowers": false, "discoverable": false, "indexable": false, "published": "2025-05-03T00:00:00Z", "memorial": false, "alsoKnownAs": [ "https://lor.sh/users/mdbr" ], "publicKey": { "id": "https://social.vivaldi.net/users/mdbr#main-key", "owner": "https://social.vivaldi.net/users/mdbr", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzEDzurUKJ4N9lFW7Ah9Y\nsnBXtF/b9vJPrxdFLezGSUFibdo7Nfin23Y4L93AayLYP11A6YaWp6F8Xq23O9tr\n4KQX/WnUPEMq1s3O4o7u90qH67dt+drqZnWv404wR41GuQismAJ7RaGKm7opGAm3\n+QYgMTF6rVKHsMsmMb3HMEDOKyw8dugeqkhNeEl3PlrGMXLjkgLDj6+RNpKf7w88\n4376RGfhWhM1rTPw2bzZ7kDoW+vwuJoCsXVGrGN7ufoDPqrjgqL2bOiRmQZsKRbp\n3JCTV+Kh1jIJkXjYxx6rdHgeutZaKzQmOMVjFUGnw0TfU2yDwr2Mxst/xrYufdM3\n1wIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [], "attachment": [], "endpoints": { "sharedInbox": "https://social.vivaldi.net/inbox" }, "icon": { "type": "Image", "mediaType": "image/jpeg", "url": "https://social-cdn.vivaldi.net/system/accounts/avatars/114/443/476/513/341/235/original/fad67fedc73aa279.jpeg" }, "image": { "type": "Image", "mediaType": "image/jpeg", "url": "https://social-cdn.vivaldi.net/system/accounts/headers/114/443/476/513/341/235/original/9ebf3def853dca1f.jpg" } }