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", "https://w3id.org/security/data-integrity/v1", "https://www.w3.org/ns/did/v1", "https://w3id.org/security/multikey/v1", { "alsoKnownAs": { "@id": "as:alsoKnownAs", "@type": "@id" }, "manuallyApprovesFollowers": "as:manuallyApprovesFollowers", "movedTo": { "@id": "as:movedTo", "@type": "@id" }, "toot": "http://joinmastodon.org/ns#", "Emoji": "toot:Emoji", "featured": { "@id": "toot:featured", "@type": "@id" }, "featuredTags": { "@id": "toot:featuredTags", "@type": "@id" }, "discoverable": "toot:discoverable", "suspended": "toot:suspended", "memorial": "toot:memorial", "indexable": "toot:indexable", "schema": "http://schema.org#", "PropertyValue": "schema:PropertyValue", "value": "schema:value", "misskey": "https://misskey-hub.net/ns#", "_misskey_followedMessage": "misskey:_misskey_followedMessage", "isCat": "misskey:isCat" } ], "id": "https://the-whirlwind.ghost.io/.ghost/activitypub/users/index", "type": "Person", "inbox": "https://the-whirlwind.ghost.io/.ghost/activitypub/inbox/index", "publicKey": { "id": "https://the-whirlwind.ghost.io/.ghost/activitypub/users/index#main-key", "type": "CryptographicKey", "owner": "https://the-whirlwind.ghost.io/.ghost/activitypub/users/index", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvqB9VHlvAG9z1f14Zqrs\nEsBqi2mHmmNCqVxDdlHTLsAvAoLliWx34E+uuFef+4IZkYdB/qPbB72tD2VvH/08\nkRTuRbz6dnIQ/F/wvIgr/TGnTcB05856cM3iAtOLb3uuzpPtKLZmmtOyvou3nbuv\nAtCcHEkfoLB/L82hwPtkjRFchJBlIWeSxSvulkgNAiRC5liUyrsbUvUkGLVtu8xM\nXJ/jj5U26BbYfooI3gwotqjbICMqFunLA4M7/FvwSvmKDjuSG+K5cLrareBxsr2F\n+UNQzYf6a0DecFtE0WsAbIl3g9KoWJfnZOAOTAPCua/ddoZNT774AOwJRSJinDfJ\nU2avcGs1a7KrDBU2QecsBJBT/kj3XdNtyVnWGZ1qdktm4QjXl5dJfgEBsf7NWjHJ\nZTIayMmzWGCZ/PV8URM3dxdqnoAa+gEwdT3ujvrOxQTsGaQv7wp9N8wa1o0BGbm3\n5ejHl8PAAecoGpGoJTbQEZ9j6bC0QwRjt/GjEcENn5Qc0/FmaP24Kzhnu2y2dep4\nl5bYTW5YQG261s5q0zWDLX/eUXVYNq+vNSE/bh5F3i45+A8OQ1QguG5UIeeW6hnp\njvdpcgUdpBjPEnVQe/5JgRF4qOMHkgWJA+N6t+/3+BQvhky8c8Bj1gdvMKoWBBrv\nM+R49Now0IXocpeTRVRYHrUCAwEAAQ==\n-----END PUBLIC KEY-----\n" }, "followers": "https://the-whirlwind.ghost.io/.ghost/activitypub/followers/index", "following": "https://the-whirlwind.ghost.io/.ghost/activitypub/following/index", "icon": { "type": "Image", "url": "https://the-whirlwind.ghost.io/content/images/2025/05/Screen-Shot-2020-09-30-at-10.40.24-PM-1.jpg" }, "liked": "https://the-whirlwind.ghost.io/.ghost/activitypub/liked/index", "name": "The Whirlwind", "outbox": "https://the-whirlwind.ghost.io/.ghost/activitypub/outbox/index", "preferredUsername": "index", "summary": "Thoughts, stories and ideas.", "url": "https://the-whirlwind.ghost.io/" }