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",
{
"ostatus": "http://ostatus.org#",
"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.acm.org/users/mxp/statuses/114754940464770053",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-06-27T10:50:30Z",
"url": "https://mastodon.acm.org/@mxp/114754940464770053",
"attributedTo": "https://mastodon.acm.org/users/mxp",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.acm.org/users/mxp/followers",
"https://mastodon.social/users/alexobenauer"
],
"sensitive": false,
"atomUri": "https://mastodon.acm.org/users/mxp/statuses/114754940464770053",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.acm.org,2025-06-27:objectId=27457574:objectType=Conversation",
"content": "<p>Guess what arrived in Switzerland today! This looks great, <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@alexobenauer\" class=\"u-url mention\">@<span>alexobenauer</span></a></span>!</p><p><a href=\"https://mastodon.acm.org/tags/retrocomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>retrocomputing</span></a> <a href=\"https://mastodon.acm.org/tags/computinghistory\" class=\"mention hashtag\" rel=\"tag\">#<span>computinghistory</span></a></p>",
"contentMap": {
"en": "<p>Guess what arrived in Switzerland today! This looks great, <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@alexobenauer\" class=\"u-url mention\">@<span>alexobenauer</span></a></span>!</p><p><a href=\"https://mastodon.acm.org/tags/retrocomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>retrocomputing</span></a> <a href=\"https://mastodon.acm.org/tags/computinghistory\" class=\"mention hashtag\" rel=\"tag\">#<span>computinghistory</span></a></p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "image/jpeg",
"url": "https://mastodon.acm.org/system/media_attachments/files/114/754/940/177/463/493/original/835d869a3ed4df78.jpeg",
"name": "Photo of the book “Bootstrapping Computing” by Alexander Obenauer.",
"blurhash": "UUIrB6Rj01ayx]j[M|f64oof%Mayogayt7a}",
"width": 2880,
"height": 2880
}
],
"tag": [
{
"type": "Mention",
"href": "https://mastodon.social/users/alexobenauer",
"name": "@alexobenauer@mastodon.social"
},
{
"type": "Hashtag",
"href": "https://mastodon.acm.org/tags/retrocomputing",
"name": "#retrocomputing"
},
{
"type": "Hashtag",
"href": "https://mastodon.acm.org/tags/computinghistory",
"name": "#computinghistory"
}
],
"replies": {
"id": "https://mastodon.acm.org/users/mxp/statuses/114754940464770053/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.acm.org/users/mxp/statuses/114754940464770053/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon.acm.org/users/mxp/statuses/114754940464770053/replies",
"items": []
}
},
"likes": {
"id": "https://mastodon.acm.org/users/mxp/statuses/114754940464770053/likes",
"type": "Collection",
"totalItems": 15
},
"shares": {
"id": "https://mastodon.acm.org/users/mxp/statuses/114754940464770053/shares",
"type": "Collection",
"totalItems": 2
}
}