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",
"Hashtag": "as:Hashtag"
}
],
"id": "https://mathstodon.xyz/users/CubeRootOfTrue/statuses/114389306256950573",
"type": "Note",
"summary": null,
"inReplyTo": "https://mathstodon.xyz/users/johncarlosbaez/statuses/114389291137556157",
"published": "2025-04-23T21:04:55Z",
"url": "https://mathstodon.xyz/@CubeRootOfTrue/114389306256950573",
"attributedTo": "https://mathstodon.xyz/users/CubeRootOfTrue",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mathstodon.xyz/users/CubeRootOfTrue/followers",
"https://mathstodon.xyz/users/MartinEscardo",
"https://mathstodon.xyz/users/johncarlosbaez"
],
"sensitive": false,
"atomUri": "https://mathstodon.xyz/users/CubeRootOfTrue/statuses/114389306256950573",
"inReplyToAtomUri": "https://mathstodon.xyz/users/johncarlosbaez/statuses/114389291137556157",
"conversation": "tag:mathstodon.xyz,2025-04-23:objectId=149850148:objectType=Conversation",
"content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mathstodon.xyz/@johncarlosbaez\" class=\"u-url mention\">@<span>johncarlosbaez</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://mathstodon.xyz/@MartinEscardo\" class=\"u-url mention\">@<span>MartinEscardo</span></a></span> The ghosts of departed quantities, lol</p><p>(of course they are as real as the imaginary numbers)</p><p><a href=\"https://mathstodon.xyz/tags/C\" class=\"mention hashtag\" rel=\"tag\">#<span>C</span></a> <a href=\"https://mathstodon.xyz/tags/R\" class=\"mention hashtag\" rel=\"tag\">#<span>R</span></a> <a href=\"https://mathstodon.xyz/tags/Q\" class=\"mention hashtag\" rel=\"tag\">#<span>Q</span></a> <a href=\"https://mathstodon.xyz/tags/dydx\" class=\"mention hashtag\" rel=\"tag\">#<span>dydx</span></a></p>",
"contentMap": {
"en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mathstodon.xyz/@johncarlosbaez\" class=\"u-url mention\">@<span>johncarlosbaez</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://mathstodon.xyz/@MartinEscardo\" class=\"u-url mention\">@<span>MartinEscardo</span></a></span> The ghosts of departed quantities, lol</p><p>(of course they are as real as the imaginary numbers)</p><p><a href=\"https://mathstodon.xyz/tags/C\" class=\"mention hashtag\" rel=\"tag\">#<span>C</span></a> <a href=\"https://mathstodon.xyz/tags/R\" class=\"mention hashtag\" rel=\"tag\">#<span>R</span></a> <a href=\"https://mathstodon.xyz/tags/Q\" class=\"mention hashtag\" rel=\"tag\">#<span>Q</span></a> <a href=\"https://mathstodon.xyz/tags/dydx\" class=\"mention hashtag\" rel=\"tag\">#<span>dydx</span></a></p>"
},
"updated": "2025-04-23T21:05:56Z",
"attachment": [],
"tag": [
{
"type": "Mention",
"href": "https://mathstodon.xyz/users/johncarlosbaez",
"name": "@johncarlosbaez"
},
{
"type": "Mention",
"href": "https://mathstodon.xyz/users/MartinEscardo",
"name": "@MartinEscardo"
},
{
"type": "Hashtag",
"href": "https://mathstodon.xyz/tags/dydx",
"name": "#dydx"
},
{
"type": "Hashtag",
"href": "https://mathstodon.xyz/tags/q",
"name": "#q"
},
{
"type": "Hashtag",
"href": "https://mathstodon.xyz/tags/r",
"name": "#r"
},
{
"type": "Hashtag",
"href": "https://mathstodon.xyz/tags/c",
"name": "#c"
}
],
"replies": {
"id": "https://mathstodon.xyz/users/CubeRootOfTrue/statuses/114389306256950573/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mathstodon.xyz/users/CubeRootOfTrue/statuses/114389306256950573/replies?only_other_accounts=true&page=true",
"partOf": "https://mathstodon.xyz/users/CubeRootOfTrue/statuses/114389306256950573/replies",
"items": []
}
},
"likes": {
"id": "https://mathstodon.xyz/users/CubeRootOfTrue/statuses/114389306256950573/likes",
"type": "Collection",
"totalItems": 0
},
"shares": {
"id": "https://mathstodon.xyz/users/CubeRootOfTrue/statuses/114389306256950573/shares",
"type": "Collection",
"totalItems": 0
}
}