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",
{
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"atomUri": "ostatus:atomUri",
"inReplyToAtomUri": "ostatus:inReplyToAtomUri",
"conversation": "ostatus:conversation",
"sensitive": "as:sensitive",
"toot": "http://joinmastodon.org/ns#",
"votersCount": "toot:votersCount",
"blurhash": "toot:blurhash",
"focalPoint": {
"@container": "@list",
"@id": "toot:focalPoint"
},
"Hashtag": "as:Hashtag"
}
],
"id": "https://mastodon.social/users/EPFLPavilions/statuses/114454522220725850",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-05-05T09:30:11Z",
"url": "https://mastodon.social/@EPFLPavilions/114454522220725850",
"attributedTo": "https://mastodon.social/users/EPFLPavilions",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
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"https://social.epfl.ch/users/EPFL",
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],
"sensitive": false,
"atomUri": "https://mastodon.social/users/EPFLPavilions/statuses/114454522220725850",
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"conversation": "tag:mastodon.social,2025-05-05:objectId=989107115:objectType=Conversation",
"content": "<p>Un concert exceptionnel entre mathématiques, musique et pensée computationnelle avec le pianiste, compositeur et improvisateur Kit Armstrong!</p><p>An extraordinary concert exploring the fusion of mathematics, music, and computation with renowned pianist, composer, and improviser Kit Armstrong!</p><p>20.5.2025, 19h30–21h30<br />Portes • Doors: 19h<br />Entrée libre sur inscription • Free entry upon registration<br />> <a href=\"http://go.epfl.ch/KitArmstrong\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">http://</span><span class=\"\">go.epfl.ch/KitArmstrong</span><span class=\"invisible\"></span></a></p><p><a href=\"https://mastodon.social/tags/epfl\" class=\"mention hashtag\" rel=\"tag\">#<span>epfl</span></a> <a href=\"https://mastodon.social/tags/epflcampus\" class=\"mention hashtag\" rel=\"tag\">#<span>epflcampus</span></a> <a href=\"https://mastodon.social/tags/Lausanne\" class=\"mention hashtag\" rel=\"tag\">#<span>Lausanne</span></a> <a href=\"https://mastodon.social/tags/KitArmstrong\" class=\"mention hashtag\" rel=\"tag\">#<span>KitArmstrong</span></a> <span class=\"h-card\" translate=\"no\"><a href=\"https://social.epfl.ch/@EPFL\" class=\"u-url mention\">@<span>epfl</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://social.epfl.ch/@CDH\" class=\"u-url mention\">@<span>CDH</span></a></span><br />Photo: J.F. Mousseau</p>",
"contentMap": {
"en": "<p>Un concert exceptionnel entre mathématiques, musique et pensée computationnelle avec le pianiste, compositeur et improvisateur Kit Armstrong!</p><p>An extraordinary concert exploring the fusion of mathematics, music, and computation with renowned pianist, composer, and improviser Kit Armstrong!</p><p>20.5.2025, 19h30–21h30<br />Portes • Doors: 19h<br />Entrée libre sur inscription • Free entry upon registration<br />> <a href=\"http://go.epfl.ch/KitArmstrong\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">http://</span><span class=\"\">go.epfl.ch/KitArmstrong</span><span class=\"invisible\"></span></a></p><p><a href=\"https://mastodon.social/tags/epfl\" class=\"mention hashtag\" rel=\"tag\">#<span>epfl</span></a> <a href=\"https://mastodon.social/tags/epflcampus\" class=\"mention hashtag\" rel=\"tag\">#<span>epflcampus</span></a> <a href=\"https://mastodon.social/tags/Lausanne\" class=\"mention hashtag\" rel=\"tag\">#<span>Lausanne</span></a> <a href=\"https://mastodon.social/tags/KitArmstrong\" class=\"mention hashtag\" rel=\"tag\">#<span>KitArmstrong</span></a> <span class=\"h-card\" translate=\"no\"><a href=\"https://social.epfl.ch/@EPFL\" class=\"u-url mention\">@<span>epfl</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://social.epfl.ch/@CDH\" class=\"u-url mention\">@<span>CDH</span></a></span><br />Photo: J.F. Mousseau</p>"
},
"updated": "2025-05-05T09:30:50Z",
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}
],
"tag": [
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"name": "@epfl@social.epfl.ch"
},
{
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"href": "https://social.epfl.ch/users/CDH",
"name": "@CDH@social.epfl.ch"
},
{
"type": "Hashtag",
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"name": "#epfl"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/epflcampus",
"name": "#epflcampus"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/lausanne",
"name": "#lausanne"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/kitarmstrong",
"name": "#kitarmstrong"
}
],
"replies": {
"id": "https://mastodon.social/users/EPFLPavilions/statuses/114454522220725850/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.social/users/EPFLPavilions/statuses/114454522220725850/replies?only_other_accounts=true&page=true",
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}
},
"likes": {
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},
"shares": {
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}
}