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",
{
"mostr": "http://mostr.pub/ns#",
"Zap": "mostr:Zap",
"xsd": "http://www.w3.org/2001/XMLSchema#",
"fep": "https://w3id.org/fep/",
"proxyOf": {
"@id": "fep:fffd/proxyOf",
"@type": "@id",
"@container": "@set"
},
"protocol": {
"@id": "fep:fffd/protocol",
"@type": "@id"
},
"proxied": {
"@id": "fep:fffd/proxied",
"@type": "xsd:string"
},
"authoritative": {
"@id": "fep:fffd/authoritative",
"@type": "xsd:boolean"
}
}
],
"type": "Note",
"id": "https://mostr.pub/objects/57f20a4988fff5443c87e1a953d3222d201f8fccf5e068f588647f9ef00ef7da",
"attributedTo": "https://mostr.pub/users/f3314470c23fb0797e27a1c9b569b76e0c3956beb9b9dbf6ff72308d1a2e8712",
"content": "<a class=\"mention hashtag\" href=\"https://mostr.pub/tags/freedom\" rel=\"tag\"><span>#</span>freedom</a> <a class=\"mention hashtag\" href=\"https://mostr.pub/tags/decentralisation\" rel=\"tag\"><span>#</span>decentralisation</a> and <a class=\"mention hashtag\" href=\"https://mostr.pub/tags/unity\" rel=\"tag\"><span>#</span>unity</a> for trumpists<br /> <a href=\"https://image.nostr.build/33189cd8968036308a1935451cef6e0675cce58fa08c579b5c2451382e0fee25.jpg\">https://image.nostr.build/33189cd8968036308a1935451cef6e0675cce58fa08c579b5c2451382e0fee25.jpg</a>",
"to": [
"https://www.w3.org/ns/activitystreams#Public",
"https://mostr.pub/users/088436cd039ff89074468fd327facf62784eeb37490e0a118ab9f14c9d2646cc"
],
"cc": [
"https://mostr.pub/users/f3314470c23fb0797e27a1c9b569b76e0c3956beb9b9dbf6ff72308d1a2e8712/followers"
],
"tag": [
{
"type": "Mention",
"href": "https://mostr.pub/users/088436cd039ff89074468fd327facf62784eeb37490e0a118ab9f14c9d2646cc",
"name": "@088436cd039ff89074468fd327facf62784eeb37490e0a118ab9f14c9d2646cc@mostr.pub"
},
{
"type": "Hashtag",
"href": "https://mostr.pub/tags/freedom",
"name": "#freedom"
},
{
"type": "Hashtag",
"href": "https://mostr.pub/tags/decentralisation",
"name": "#decentralisation"
},
{
"type": "Hashtag",
"href": "https://mostr.pub/tags/unity",
"name": "#unity"
}
],
"attachment": [
{
"type": "Document",
"url": "https://image.nostr.build/33189cd8968036308a1935451cef6e0675cce58fa08c579b5c2451382e0fee25.jpg",
"mediaType": "image/jpeg",
"blurhash": "rOGR;*E,.Ts.JDxZNHxuayKjNGyFxZNfoIRkbIoIogD$EN%0XAofofR,slMxMdRQn$xuX9xtbbWB%2xCWBM{s-NJt7t8WXbIjqRkslV@WDayt8of",
"width": 565,
"height": 353
}
],
"sensitive": false,
"published": "2025-05-31T08:02:18.000Z",
"inReplyTo": "https://mostr.pub/objects/456772a1e3abf78f0a8a017f665a3b8646f6748e2a8bbc5b22981b1c593a2a54",
"generator": {
"type": "Application",
"name": "Mostr Bridge",
"url": "https://mostr.pub/"
},
"proxyOf": [
{
"protocol": "https://github.com/nostr-protocol/nostr",
"proxied": "note12leq5jvgll65g0y8ux5485ez95splr7v7hsx3avgv3leauqw7ldqqmmq6r",
"authoritative": true
}
]
}