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.
{
"@context": [
"https://join-lemmy.org/context.json",
"https://www.w3.org/ns/activitystreams"
],
"type": "Person",
"id": "https://lemmy.ml/u/slackness",
"preferredUsername": "slackness",
"inbox": "https://lemmy.ml/u/slackness/inbox",
"outbox": "https://lemmy.ml/u/slackness/outbox",
"publicKey": {
"id": "https://lemmy.ml/u/slackness#main-key",
"owner": "https://lemmy.ml/u/slackness",
"publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtoBvxbx5nS5NS/Tkb0OW\n+iOp/zMGG+emLc1tuM7MilMajPPST0CjTFK4hrIPW4DWvm4vHSjIYKSqKbWmNARl\nTK33Q6zSH4K/P3VuJkBn8XI1X/nNJ5lk+C7mLR1FA0agwf/H8WMp18jJF6U+Bc79\nSb4XsSoo9CMMhX9SALKTOGUckaxubCEK/dkpb3t5eEa+Oh2HhBUcPBaJAn/BjqtG\nfQl2AzRECbdQIfdCgW0dcp+BIHO69C3J77nUbeEZypyV2775R1O54/sf4qgGITuF\nsM2xOQMcnedgdS4VNQGipCp6qD01/Dqt4wv05PXnPguH33s88YqUDOQXUJaJN3uh\n4wIDAQAB\n-----END PUBLIC KEY-----\n"
},
"endpoints": {
"sharedInbox": "https://lemmy.ml/inbox"
},
"published": "2025-06-18T11:45:18.083869Z"
}