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"
},
"focalPoint": {
"@container": "@list",
"@id": "toot:focalPoint"
}
}
],
"id": "https://mastodon.social/users/matui_s",
"type": "Person",
"following": "https://mastodon.social/users/matui_s/following",
"followers": "https://mastodon.social/users/matui_s/followers",
"inbox": "https://mastodon.social/users/matui_s/inbox",
"outbox": "https://mastodon.social/users/matui_s/outbox",
"featured": "https://mastodon.social/users/matui_s/collections/featured",
"featuredTags": "https://mastodon.social/users/matui_s/collections/tags",
"preferredUsername": "matui_s",
"name": "松井 重樹",
"summary": "<p>富山県高岡市在住の書店員です。<br />マストドン旧アカウントから引っ越しました。<br />matui_s@mstdn.jp</p><p>ブルースカイアカウント<br /><a href=\"https://bsky.app/profile/matui-s.bsky.social\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">bsky.app/profile/matui-s.bsky.</span><span class=\"invisible\">social</span></a></p>",
"url": "https://mastodon.social/@matui_s",
"manuallyApprovesFollowers": false,
"discoverable": true,
"indexable": true,
"published": "2025-04-30T00:00:00Z",
"memorial": false,
"alsoKnownAs": [
"https://mstdn.jp/users/matui_s"
],
"publicKey": {
"id": "https://mastodon.social/users/matui_s#main-key",
"owner": "https://mastodon.social/users/matui_s",
"publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAymyucerqySP2PDVPGl/q\nmYn5RNXGzvCrnvYrk+XK1eonV/2SBOayua6AxbjYfZvjESsM4IZcMH8ef35Zso8Q\nCaa0qrv7l543IkUG7wmyYsGW+A+BjimjVf77L32qOTxgFm2DKaZ7JymPDJcsks1A\nHCZQcA0yiEguSvhzjbMdW0rtAAR5jnPygc6B1zSl/HFcwb/D5O6m/ZRdz0pxMwo9\nKSBRhAE6X+s7CkVw+tq+CtGdP3OPWIOfIkghIpmPc7uJ7rilRX+JSJnXbvZN8AGm\nF1F/ZKX43jSRoxK/Pla7ViVxr3DHgA0SaOmwwizkeYcRy1lrFkaumyUMyfb+Uo9j\nTwIDAQAB\n-----END PUBLIC KEY-----\n"
},
"tag": [],
"attachment": [],
"endpoints": {
"sharedInbox": "https://mastodon.social/inbox"
},
"icon": {
"type": "Image",
"mediaType": "image/jpeg",
"url": "https://files.mastodon.social/accounts/avatars/114/427/382/553/348/125/original/6188344502def2b6.jpg"
},
"image": {
"type": "Image",
"mediaType": "image/jpeg",
"url": "https://files.mastodon.social/accounts/headers/114/427/382/553/348/125/original/2af5d7aa1653b154.jpg"
}
}