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/eiZen/statuses/114284789928173609",
"type": "Note",
"summary": null,
"inReplyTo": "https://mastodon.sdf.org/users/eiZen/statuses/114284751925420314",
"published": "2025-04-05T10:05:02Z",
"url": "https://mastodon.sdf.org/@eiZen/114284789928173609",
"attributedTo": "https://mastodon.sdf.org/users/eiZen",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.sdf.org/users/eiZen/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.sdf.org/users/eiZen/statuses/114284789928173609",
"inReplyToAtomUri": "https://mastodon.sdf.org/users/eiZen/statuses/114284751925420314",
"conversation": "tag:mastodon.sdf.org,2025-04-05:objectId=256522255:objectType=Conversation",
"content": "<p>Japanese CP/M Handbook Æsthetics</p><p><a href=\"https://mastodon.sdf.org/tags/Japanese\" class=\"mention hashtag\" rel=\"tag\">#<span>Japanese</span></a> <a href=\"https://mastodon.sdf.org/tags/RetroTech\" class=\"mention hashtag\" rel=\"tag\">#<span>RetroTech</span></a><br /><a href=\"https://mastodon.sdf.org/tags/CPM\" class=\"mention hashtag\" rel=\"tag\">#<span>CPM</span></a> <a href=\"https://mastodon.sdf.org/tags/RetroComputing\" class=\"mention hashtag\" rel=\"tag\">#<span>RetroComputing</span></a><br /><a href=\"https://mastodon.sdf.org/tags/Typography\" class=\"mention hashtag\" rel=\"tag\">#<span>Typography</span></a></p><p>4/</p>",
"contentMap": {
"en": "<p>Japanese CP/M Handbook Æsthetics</p><p><a href=\"https://mastodon.sdf.org/tags/Japanese\" class=\"mention hashtag\" rel=\"tag\">#<span>Japanese</span></a> <a href=\"https://mastodon.sdf.org/tags/RetroTech\" class=\"mention hashtag\" rel=\"tag\">#<span>RetroTech</span></a><br /><a href=\"https://mastodon.sdf.org/tags/CPM\" class=\"mention hashtag\" rel=\"tag\">#<span>CPM</span></a> <a href=\"https://mastodon.sdf.org/tags/RetroComputing\" class=\"mention hashtag\" rel=\"tag\">#<span>RetroComputing</span></a><br /><a href=\"https://mastodon.sdf.org/tags/Typography\" class=\"mention hashtag\" rel=\"tag\">#<span>Typography</span></a></p><p>4/</p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "image/png",
"url": "https://mastodon.sdf.org/system/media_attachments/files/114/284/770/859/624/707/original/080ee0beb6c7f4ba.png",
"name": "Flow diagram, something about EEPROM",
"blurhash": "U4SY{q4n?b-;-;RjIUt7_3Rjj[%M~qD%IU%M",
"focalPoint": [
0.4059509,
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],
"width": 1080,
"height": 1697
},
{
"type": "Document",
"mediaType": "image/png",
"url": "https://mastodon.sdf.org/system/media_attachments/files/114/284/771/258/093/229/original/d318240e394a5fcf.png",
"name": "Something about computers, diskettes, and screen text. With respective photos of these.",
"blurhash": "UTPj79j]-;t7~qWBt7t7?bofIUWB00j[M{Rj",
"focalPoint": [
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-0.076324224
],
"width": 1080,
"height": 1446
},
{
"type": "Document",
"mediaType": "image/png",
"url": "https://mastodon.sdf.org/system/media_attachments/files/114/284/770/900/878/936/original/edf95a1cbab48c03.png",
"name": "A table and some IC logic gate sketches ",
"blurhash": "U4RfkBxuWB~qD%9F9F4nD%IUIUD%00M{M{t7",
"focalPoint": [
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],
"width": 1080,
"height": 1622
},
{
"type": "Document",
"mediaType": "image/png",
"url": "https://mastodon.sdf.org/system/media_attachments/files/114/284/771/117/566/694/original/717034511f244392.png",
"name": "Some cylindrical thing and some block diagram, like about data structures in memory.",
"blurhash": "U6R:KI%h~CIURQ?HjGIn%3R%E1oy-;tRIUM{",
"focalPoint": [
0,
0
],
"width": 1080,
"height": 1424
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/japanese",
"name": "#japanese"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/retrotech",
"name": "#retrotech"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/cpm",
"name": "#cpm"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/retrocomputing",
"name": "#retrocomputing"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/typography",
"name": "#typography"
}
],
"replies": {
"id": "https://mastodon.sdf.org/users/eiZen/statuses/114284789928173609/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.sdf.org/users/eiZen/statuses/114284789928173609/replies?min_id=114284884041554277&page=true",
"partOf": "https://mastodon.sdf.org/users/eiZen/statuses/114284789928173609/replies",
"items": [
"https://mastodon.sdf.org/users/eiZen/statuses/114284884041554277"
]
}
}
}