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"
},
"Hashtag": "as:Hashtag",
"focalPoint": {
"@container": "@list",
"@id": "toot:focalPoint"
}
}
],
"id": "https://mastodon.gamedev.place/users/sinestesia",
"type": "Person",
"following": "https://mastodon.gamedev.place/users/sinestesia/following",
"followers": "https://mastodon.gamedev.place/users/sinestesia/followers",
"inbox": "https://mastodon.gamedev.place/users/sinestesia/inbox",
"outbox": "https://mastodon.gamedev.place/users/sinestesia/outbox",
"featured": "https://mastodon.gamedev.place/users/sinestesia/collections/featured",
"featuredTags": "https://mastodon.gamedev.place/users/sinestesia/collections/tags",
"preferredUsername": "sinestesia",
"name": "Sinestesia",
"summary": "<p>Independent <a href=\"https://mastodon.gamedev.place/tags/GameDesign\" class=\"mention hashtag\" rel=\"tag\">#<span>GameDesign</span></a> and <a href=\"https://mastodon.gamedev.place/tags/Development\" class=\"mention hashtag\" rel=\"tag\">#<span>Development</span></a> for mobiles and tablets.</p>",
"url": "https://mastodon.gamedev.place/@sinestesia",
"manuallyApprovesFollowers": false,
"discoverable": false,
"indexable": false,
"published": "2025-04-01T00:00:00Z",
"memorial": false,
"publicKey": {
"id": "https://mastodon.gamedev.place/users/sinestesia#main-key",
"owner": "https://mastodon.gamedev.place/users/sinestesia",
"publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqwRD37dRjsw9gnmxn93N\nWqyAjyenN7PSOl+nb75eXA/YkfJIGu/oZAl0R4fnI9qyQzs084laU9kh2iXER1QO\nKfiZQtIKMM9XGHW5IL1lyEto2KPE201DZhTccEGJgMTYKw5t6gcHoRJdhhVTXaA2\npFoL3EkkRxueI/nLCamvxgRk5phV9dXDEDkiBEwvfLeM+dm0RiRSUZC1VRABz7h+\nCSa8bnm8hnyZob2/lLLYLlvWXFhcyfpRYTY4Tg0DEB/mKnFbrBnopwFIq7feiuT/\nFkP/XsHWt1sKXO5E2PVMzxrdIHemEibIO8A7QETGNG+ghdhNaxdDW+9S6GDSo8tW\ncwIDAQAB\n-----END PUBLIC KEY-----\n"
},
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.gamedev.place/tags/gamedesign",
"name": "#gamedesign"
},
{
"type": "Hashtag",
"href": "https://mastodon.gamedev.place/tags/development",
"name": "#development"
}
],
"attachment": [
{
"type": "PropertyValue",
"name": "🌴 Home",
"value": "<a href=\"https://sinestesiagamedesign.es\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">sinestesiagamedesign.es</span><span class=\"invisible\"></span></a>"
},
{
"type": "PropertyValue",
"name": "📙 Blog",
"value": "<a href=\"https://sinestesiagamedesign.es/blog/\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">sinestesiagamedesign.es/blog/</span><span class=\"invisible\"></span></a>"
}
],
"endpoints": {
"sharedInbox": "https://mastodon.gamedev.place/inbox"
},
"icon": {
"type": "Image",
"mediaType": "image/png",
"url": "https://cdn.masto.host/mastodongamedevplace/accounts/avatars/114/264/462/712/425/398/original/8e0c4a74b09ef794.png"
},
"image": {
"type": "Image",
"mediaType": "image/png",
"url": "https://cdn.masto.host/mastodongamedevplace/accounts/headers/114/264/462/712/425/398/original/271ed10c154ed441.png"
}
}