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://mas.to/users/markwyner/statuses/114722973250534947",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-06-21T19:20:49Z",
"url": "https://mas.to/@markwyner/114722973250534947",
"attributedTo": "https://mas.to/users/markwyner",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mas.to/users/markwyner/followers"
],
"sensitive": false,
"atomUri": "https://mas.to/users/markwyner/statuses/114722973250534947",
"inReplyToAtomUri": null,
"conversation": "tag:mas.to,2025-06-21:objectId=509034050:objectType=Conversation",
"content": "<p>Saturn at night, from 2017. Taken by Cassini two days before it dove into Saturn’s atmosphere, after a two-decade journey.</p><p><a href=\"https://mas.to/tags/Saturn\" class=\"mention hashtag\" rel=\"tag\">#<span>Saturn</span></a> <a href=\"https://mas.to/tags/Space\" class=\"mention hashtag\" rel=\"tag\">#<span>Space</span></a> <a href=\"https://mas.to/tags/AstroPhotography\" class=\"mention hashtag\" rel=\"tag\">#<span>AstroPhotography</span></a> <a href=\"https://mas.to/tags/NASA\" class=\"mention hashtag\" rel=\"tag\">#<span>NASA</span></a> <a href=\"https://mas.to/tags/Cassini\" class=\"mention hashtag\" rel=\"tag\">#<span>Cassini</span></a></p>",
"contentMap": {
"en": "<p>Saturn at night, from 2017. Taken by Cassini two days before it dove into Saturn’s atmosphere, after a two-decade journey.</p><p><a href=\"https://mas.to/tags/Saturn\" class=\"mention hashtag\" rel=\"tag\">#<span>Saturn</span></a> <a href=\"https://mas.to/tags/Space\" class=\"mention hashtag\" rel=\"tag\">#<span>Space</span></a> <a href=\"https://mas.to/tags/AstroPhotography\" class=\"mention hashtag\" rel=\"tag\">#<span>AstroPhotography</span></a> <a href=\"https://mas.to/tags/NASA\" class=\"mention hashtag\" rel=\"tag\">#<span>NASA</span></a> <a href=\"https://mas.to/tags/Cassini\" class=\"mention hashtag\" rel=\"tag\">#<span>Cassini</span></a></p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "image/jpeg",
"url": "https://media.mas.to/media_attachments/files/114/722/972/985/012/353/original/fcd650051e039501.jpeg",
"name": "Black and white profile of Saturn, with its rings perfectly horizontal. It is shining from above, casting a shadow on the front rings. The entire image is dark and mysterious.",
"blurhash": "U35#Y3aLRPaytRofD%WA0Koz4.WB?HRjxas:",
"width": 1920,
"height": 902
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://mas.to/tags/cassini",
"name": "#cassini"
},
{
"type": "Hashtag",
"href": "https://mas.to/tags/NASA",
"name": "#NASA"
},
{
"type": "Hashtag",
"href": "https://mas.to/tags/astrophotography",
"name": "#astrophotography"
},
{
"type": "Hashtag",
"href": "https://mas.to/tags/space",
"name": "#space"
},
{
"type": "Hashtag",
"href": "https://mas.to/tags/saturn",
"name": "#saturn"
}
],
"replies": {
"id": "https://mas.to/users/markwyner/statuses/114722973250534947/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mas.to/users/markwyner/statuses/114722973250534947/replies?only_other_accounts=true&page=true",
"partOf": "https://mas.to/users/markwyner/statuses/114722973250534947/replies",
"items": []
}
},
"likes": {
"id": "https://mas.to/users/markwyner/statuses/114722973250534947/likes",
"type": "Collection",
"totalItems": 9
},
"shares": {
"id": "https://mas.to/users/markwyner/statuses/114722973250534947/shares",
"type": "Collection",
"totalItems": 8
}
}