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://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"
},
"Emoji": "toot:Emoji",
"focalPoint": {
"@container": "@list",
"@id": "toot:focalPoint"
}
}
],
"id": "https://masto.hackers.town/users/mav",
"type": "Person",
"following": "https://masto.hackers.town/users/mav/following",
"followers": "https://masto.hackers.town/users/mav/followers",
"inbox": "https://masto.hackers.town/users/mav/inbox",
"outbox": "https://masto.hackers.town/users/mav/outbox",
"featured": "https://masto.hackers.town/users/mav/collections/featured",
"featuredTags": "https://masto.hackers.town/users/mav/collections/tags",
"preferredUsername": "mav",
"name": "mav :happy_blob:",
"summary": "<p>Hi. I'm mav.</p><p>who: Hardware hacker, linux geek, sticker maker, metalhead. DEF CON goon, SAINTCON staff, I have a "volunteering at security cons" problem. Nerdfighter. Neurodiverse. </p><p>what: Systems engineer & security nerd, stubbornly hanging on to working in edu. </p><p>why: anticapitalist, antifascist, pro-social justice cishet dude. We exist, and we are generally ready to throw down for our friends. </p><p>I like follows. Feel free.</p>",
"url": "https://masto.hackers.town/@mav",
"manuallyApprovesFollowers": false,
"discoverable": true,
"indexable": true,
"published": "2025-04-14T00:00:00Z",
"memorial": false,
"alsoKnownAs": [
"https://hackers.town/users/mav"
],
"publicKey": {
"id": "https://masto.hackers.town/users/mav#main-key",
"owner": "https://masto.hackers.town/users/mav",
"publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs6IGXaqnEPI/mJxnpxSS\njq5q1SYAas0pMwQdP0kIEvI4hok04FHj1d59t8z23y1oTraTeryvJHOYBX0P7pHZ\nOog3YLPtKLtT6lQZSuq/Iqvb35nmVb11YC9dQ7H7JDd5j32kgjcbIzolJA4WKky0\nIFLK4tVfM5X3sT5f+jIZdNkU+2JGBktvCwWRFS2fSBYR8VV9QdkSDk8XTjJrLveC\nJnDx07lW6zuXlJ7yiDtJrJpDzDyyVv9Mp8NMPkFXVj4GWcfK9TnSnop/lZe0B/J/\nM4C90oUUBsljDt4kB1EhurtA5ix+V3NabR6gW5Hz4CoIVO2w1+ckjc/3PZCUpq/f\nnwIDAQAB\n-----END PUBLIC KEY-----\n"
},
"tag": [
{
"id": "https://masto.hackers.town/emojis/8897",
"type": "Emoji",
"name": ":happy_blob:",
"updated": "2025-04-15T15:23:37Z",
"icon": {
"type": "Image",
"mediaType": "image/png",
"url": "https://cdn.masto.host/mastohackerstown/custom_emojis/images/000/008/897/original/746eed133722edf3.png"
}
}
],
"attachment": [
{
"type": "PropertyValue",
"name": "Pronouns",
"value": "he/him"
},
{
"type": "PropertyValue",
"name": "bluesky",
"value": "mav.wtf"
},
{
"type": "PropertyValue",
"name": "also on",
"value": "<span class=\"h-card\" translate=\"no\"><a href=\"https://defcon.social/@mav\" class=\"u-url mention\">@<span>mav@defcon.social</span></a></span>"
}
],
"endpoints": {
"sharedInbox": "https://masto.hackers.town/inbox"
},
"icon": {
"type": "Image",
"mediaType": "image/jpeg",
"url": "https://cdn.masto.host/mastohackerstown/accounts/avatars/114/334/163/057/413/714/original/0c3e7353f0f1eea7.jpg"
},
"image": {
"type": "Image",
"mediaType": "image/png",
"url": "https://cdn.masto.host/mastohackerstown/accounts/headers/114/334/163/057/413/714/original/47db01c646ce5c2f.png"
}
}