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.today/u/Fletcher",
"preferredUsername": "Fletcher",
"inbox": "https://lemmy.today/u/Fletcher/inbox",
"outbox": "https://lemmy.today/u/Fletcher/outbox",
"publicKey": {
"id": "https://lemmy.today/u/Fletcher#main-key",
"owner": "https://lemmy.today/u/Fletcher",
"publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzD72Jc+6lmmCVMkI97oL\nZ/JhWPMA9XkxVDR79d0zIo1Q6I8Rd0+OcJV5pq5nWLhoTQLKWY6DnBswb5Dihazk\n8T9yNYx56PP6tSCaYum/s1ufAvfZ1U3fAYylnGE7Q7oSM1erA0Se5x7dZRB496/D\nuDPYcfeLPxnsEkH0EakegMBE+BUzGmNtdoJAXEXMSTHWaqF2H7mOyFKR+iy94wzy\nUEe/9TPlhs+ZEH/YrE2FL+FbXOfxWT/YHQv0kjlKkblheMvYXSRe5jUJlvBrzam+\nREjBYzxhJqWNF591Q9pIQQx6nYImVzd7/IlFg/ODM5r2AHdsX7Vb+Lici6dFx25h\ndQIDAQAB\n-----END PUBLIC KEY-----\n"
},
"summary": "<p>#roleplaying #gamemastering #ttrpgs #storytelling #fantasyfiction #music #tolkien #history #linux #foss #infosec #garthmarenghi</p>\n",
"source": {
"content": "#roleplaying #gamemastering #ttrpgs #storytelling #fantasyfiction #music #tolkien #history #linux #foss #infosec #garthmarenghi",
"mediaType": "text/markdown"
},
"endpoints": {
"sharedInbox": "https://lemmy.today/inbox"
},
"published": "2025-06-04T14:34:06.489051Z"
}