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://join-lemmy.org/context.json", "https://www.w3.org/ns/activitystreams" ], "type": "Person", "id": "https://infosec.pub/u/Gunk", "preferredUsername": "Gunk", "inbox": "https://infosec.pub/u/Gunk/inbox", "outbox": "https://infosec.pub/u/Gunk/outbox", "publicKey": { "id": "https://infosec.pub/u/Gunk#main-key", "owner": "https://infosec.pub/u/Gunk", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvaPI3Agk8R+EMkNhg1n5\nM88GEblEhCyBPnun6lrleVWAO3y3xbXbyOYkbDGzyMio1iom+mjjCR+RQjFZWeiL\nlyBBRAwm2s75KToPPTItvs4MoxpjfLCf63B5hqMnI44CRQ0Fo/5BSoQXo04FNMq/\n+KibYRx4jSBGr7SXMjCNbeaTavpE6E2NmfyzNPKdqf15HU/etY1tZ9p/cpdvxnED\nIUePbP4SB3MG95liRistq6sY+xWcTv5qFeIqfOInZChRVVU6uMfDSaXYTdwrgby/\nseqikaw4yZcWuWOB7weV5jnSpQ5FaKbo0sEvGh9l9xaks2p2BjfkNf5PVOWsxsvC\n/QIDAQAB\n-----END PUBLIC KEY-----\n" }, "endpoints": { "sharedInbox": "https://infosec.pub/inbox" }, "published": "2025-03-20T09:56:06.525138Z" }