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.social/users/thias/statuses/114419677651121717",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-04-29T05:48:45Z",
"url": "https://mastodon.social/@thias/114419677651121717",
"attributedTo": "https://mastodon.social/users/thias",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.social/users/thias/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.social/users/thias/statuses/114419677651121717",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.social,2025-04-29:objectId=984051897:objectType=Conversation",
"content": "<p>EanGUI and X.400 </p><p><a href=\"https://wiesmann.codiferes.net/wordpress/archives/40933\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">wiesmann.codiferes.net/wordpre</span><span class=\"invisible\">ss/archives/40933</span></a> </p><p><a href=\"https://mastodon.social/tags/CERN\" class=\"mention hashtag\" rel=\"tag\">#<span>CERN</span></a> <a href=\"https://mastodon.social/tags/ComputerHistory\" class=\"mention hashtag\" rel=\"tag\">#<span>ComputerHistory</span></a> <a href=\"https://mastodon.social/tags/EMail\" class=\"mention hashtag\" rel=\"tag\">#<span>EMail</span></a> <a href=\"https://mastodon.social/tags/EDI\" class=\"mention hashtag\" rel=\"tag\">#<span>EDI</span></a> <a href=\"https://mastodon.social/tags/UniversityOfGeneva\" class=\"mention hashtag\" rel=\"tag\">#<span>UniversityOfGeneva</span></a> <a href=\"https://mastodon.social/tags/X\" class=\"mention hashtag\" rel=\"tag\">#<span>X</span></a>.400</p>",
"contentMap": {
"en": "<p>EanGUI and X.400 </p><p><a href=\"https://wiesmann.codiferes.net/wordpress/archives/40933\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">wiesmann.codiferes.net/wordpre</span><span class=\"invisible\">ss/archives/40933</span></a> </p><p><a href=\"https://mastodon.social/tags/CERN\" class=\"mention hashtag\" rel=\"tag\">#<span>CERN</span></a> <a href=\"https://mastodon.social/tags/ComputerHistory\" class=\"mention hashtag\" rel=\"tag\">#<span>ComputerHistory</span></a> <a href=\"https://mastodon.social/tags/EMail\" class=\"mention hashtag\" rel=\"tag\">#<span>EMail</span></a> <a href=\"https://mastodon.social/tags/EDI\" class=\"mention hashtag\" rel=\"tag\">#<span>EDI</span></a> <a href=\"https://mastodon.social/tags/UniversityOfGeneva\" class=\"mention hashtag\" rel=\"tag\">#<span>UniversityOfGeneva</span></a> <a href=\"https://mastodon.social/tags/X\" class=\"mention hashtag\" rel=\"tag\">#<span>X</span></a>.400</p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "image/png",
"url": "https://files.mastodon.social/media_attachments/files/114/419/677/589/600/555/original/64f5e13645af2e38.png",
"name": "Table showing the routing between MINT electronic mail systems.",
"blurhash": "U6Rp8-9F~qof_3IUD%xuRjayM{M{?bM{M{t7",
"width": 1024,
"height": 558
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/cern",
"name": "#cern"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/computerhistory",
"name": "#computerhistory"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/email",
"name": "#email"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/edi",
"name": "#edi"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/UniversityofGeneva",
"name": "#UniversityofGeneva"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/x",
"name": "#x"
}
],
"replies": {
"id": "https://mastodon.social/users/thias/statuses/114419677651121717/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.social/users/thias/statuses/114419677651121717/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon.social/users/thias/statuses/114419677651121717/replies",
"items": []
}
},
"likes": {
"id": "https://mastodon.social/users/thias/statuses/114419677651121717/likes",
"type": "Collection",
"totalItems": 1
},
"shares": {
"id": "https://mastodon.social/users/thias/statuses/114419677651121717/shares",
"type": "Collection",
"totalItems": 1
}
}