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://social.vivaldi.net/users/appsec", "type": "Person", "following": "https://social.vivaldi.net/users/appsec/following", "followers": "https://social.vivaldi.net/users/appsec/followers", "inbox": "https://social.vivaldi.net/users/appsec/inbox", "outbox": "https://social.vivaldi.net/users/appsec/outbox", "featured": "https://social.vivaldi.net/users/appsec/collections/featured", "featuredTags": "https://social.vivaldi.net/users/appsec/collections/tags", "preferredUsername": "appsec", "name": "kNu73r1k", "summary": "<p><a href=\"https://social.vivaldi.net/tags/opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>opensource</span></a> <a href=\"https://social.vivaldi.net/tags/appsec\" class=\"mention hashtag\" rel=\"tag\">#<span>appsec</span></a> <a href=\"https://social.vivaldi.net/tags/cybersec\" class=\"mention hashtag\" rel=\"tag\">#<span>cybersec</span></a> <a href=\"https://social.vivaldi.net/tags/softwaredevelopment\" class=\"mention hashtag\" rel=\"tag\">#<span>softwaredevelopment</span></a></p>", "url": "https://social.vivaldi.net/@appsec", "manuallyApprovesFollowers": false, "discoverable": false, "indexable": false, "published": "2025-03-04T00:00:00Z", "memorial": false, "publicKey": { "id": "https://social.vivaldi.net/users/appsec#main-key", "owner": "https://social.vivaldi.net/users/appsec", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsT9o50TrFkG6s2kbGdQg\nBlhFr2trqOTCZdA05oQPcG+k4QAzTrL0VEewEIfFy7wOWMXCC2P8+X6nFfRQxFGN\n6Pt+GBhax0Z4/QVSc3kUOuO0RbvA26uSHJNXQKubBGvLktxdb7pgDhIbqtRmCz5p\nXLfMSH2HnMUVuV2QDzYNeRzwCUYvRsO0pZaXSG0BbSaDiykJSVVISuO3w+P1AsY7\n6uoFkG3Ii6lM1VmAT2+irh74f1mqDx2NOtQzAyzgjxhiYo8qm7v/VUjXyh3CX+A5\nDjAYbeQRC0QhhJEoTfb+pLmpzpIQcwKxAKDCmhOYLk8FMIu0mT1NnboZWwoChgTz\ngwIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "type": "Hashtag", "href": "https://social.vivaldi.net/tags/opensource", "name": "#opensource" }, { "type": "Hashtag", "href": "https://social.vivaldi.net/tags/cybersec", "name": "#cybersec" }, { "type": "Hashtag", "href": "https://social.vivaldi.net/tags/appsec", "name": "#appsec" }, { "type": "Hashtag", "href": "https://social.vivaldi.net/tags/softwaredevelopment", "name": "#softwaredevelopment" } ], "attachment": [ { "type": "PropertyValue", "name": "Verification", "value": "<a href=\"https://knu73r1k.github.io/presentations/\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">knu73r1k.github.io/presentatio</span><span class=\"invisible\">ns/</span></a>" }, { "type": "PropertyValue", "name": "GitHub", "value": "<a href=\"https://github.com/knu73r1k\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">github.com/knu73r1k</span><span class=\"invisible\"></span></a>" } ], "endpoints": { "sharedInbox": "https://social.vivaldi.net/inbox" }, "icon": { "type": "Image", "mediaType": "image/jpeg", "url": "https://social-cdn.vivaldi.net/system/accounts/avatars/114/103/813/914/178/126/original/82eb97f2f5903783.jpeg" } }