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.sdf.org/users/SDF/statuses/114768099776914646",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-06-29T18:37:05Z",
"url": "https://mastodon.sdf.org/@SDF/114768099776914646",
"attributedTo": "https://mastodon.sdf.org/users/SDF",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.sdf.org/users/SDF/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.sdf.org/users/SDF/statuses/114768099776914646",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.sdf.org,2025-06-29:objectId=277045791:objectType=Conversation",
"content": "<p>Dumping PDP-10 DECtapes today on <a href=\"https://twitch.tv/sdfpubnix\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"\">twitch.tv/sdfpubnix</span><span class=\"invisible\"></span></a></p><p><a href=\"https://mastodon.sdf.org/tags/retrocomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>retrocomputing</span></a> <a href=\"https://mastodon.sdf.org/tags/vintagecomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>vintagecomputing</span></a> <a href=\"https://mastodon.sdf.org/tags/tech\" class=\"mention hashtag\" rel=\"tag\">#<span>tech</span></a> <a href=\"https://mastodon.sdf.org/tags/software\" class=\"mention hashtag\" rel=\"tag\">#<span>software</span></a> <a href=\"https://mastodon.sdf.org/tags/live\" class=\"mention hashtag\" rel=\"tag\">#<span>live</span></a> <a href=\"https://mastodon.sdf.org/tags/livestream\" class=\"mention hashtag\" rel=\"tag\">#<span>livestream</span></a></p>",
"contentMap": {
"en": "<p>Dumping PDP-10 DECtapes today on <a href=\"https://twitch.tv/sdfpubnix\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"\">twitch.tv/sdfpubnix</span><span class=\"invisible\"></span></a></p><p><a href=\"https://mastodon.sdf.org/tags/retrocomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>retrocomputing</span></a> <a href=\"https://mastodon.sdf.org/tags/vintagecomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>vintagecomputing</span></a> <a href=\"https://mastodon.sdf.org/tags/tech\" class=\"mention hashtag\" rel=\"tag\">#<span>tech</span></a> <a href=\"https://mastodon.sdf.org/tags/software\" class=\"mention hashtag\" rel=\"tag\">#<span>software</span></a> <a href=\"https://mastodon.sdf.org/tags/live\" class=\"mention hashtag\" rel=\"tag\">#<span>live</span></a> <a href=\"https://mastodon.sdf.org/tags/livestream\" class=\"mention hashtag\" rel=\"tag\">#<span>livestream</span></a></p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "image/jpeg",
"url": "https://mastodon.sdf.org/system/media_attachments/files/114/768/098/496/841/827/original/02a54d077ef00138.jpeg",
"name": "a box full of various magnetic dectapes",
"blurhash": "UCG9Nt-p0Nwa-3R-o#xYMwNGn$RjNGNG%0WE",
"focalPoint": [
0,
0
],
"width": 1083,
"height": 1280
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/retrocomputing",
"name": "#retrocomputing"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/vintagecomputing",
"name": "#vintagecomputing"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/tech",
"name": "#tech"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/software",
"name": "#software"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/live",
"name": "#live"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/livestream",
"name": "#livestream"
}
],
"replies": {
"id": "https://mastodon.sdf.org/users/SDF/statuses/114768099776914646/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.sdf.org/users/SDF/statuses/114768099776914646/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon.sdf.org/users/SDF/statuses/114768099776914646/replies",
"items": []
}
}
}