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.online/users/umplus/statuses/114672123939009473",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-06-12T19:49:10Z",
"url": "https://mastodon.online/@umplus/114672123939009473",
"attributedTo": "https://mastodon.online/users/umplus",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.online/users/umplus/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.online/users/umplus/statuses/114672123939009473",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.online,2025-06-12:objectId=522350329:objectType=Conversation",
"content": "<p><a href=\"https://mastodon.online/tags/UMPlus\" class=\"mention hashtag\" rel=\"tag\">#<span>UMPlus</span></a> - Propeller Nebula by David Lindemann</p><p><a href=\"https://www.universomagico.net/2025/06/nebulosa-propulsor-por-david-lindemann.html\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">universomagico.net/2025/06/neb</span><span class=\"invisible\">ulosa-propulsor-por-david-lindemann.html</span></a></p><p>This spectacular image by astronomer David Lindemann primarily shows a striking cloud called the Propeller Nebula. It is also cataloged as Simeis 57 and has four designations in the DWB catalog based on its parts. The image displays a large amount of hydrogen, which is ionized by nearby hot, young.....<br /><a href=\"https://mastodon.online/tags/astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>astronomy</span></a> <a href=\"https://mastodon.online/tags/space\" class=\"mention hashtag\" rel=\"tag\">#<span>space</span></a> <a href=\"https://mastodon.online/tags/astrophysics\" class=\"mention hashtag\" rel=\"tag\">#<span>astrophysics</span></a> <a href=\"https://mastodon.online/tags/astrophotography\" class=\"mention hashtag\" rel=\"tag\">#<span>astrophotography</span></a></p>",
"contentMap": {
"es": "<p><a href=\"https://mastodon.online/tags/UMPlus\" class=\"mention hashtag\" rel=\"tag\">#<span>UMPlus</span></a> - Propeller Nebula by David Lindemann</p><p><a href=\"https://www.universomagico.net/2025/06/nebulosa-propulsor-por-david-lindemann.html\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">universomagico.net/2025/06/neb</span><span class=\"invisible\">ulosa-propulsor-por-david-lindemann.html</span></a></p><p>This spectacular image by astronomer David Lindemann primarily shows a striking cloud called the Propeller Nebula. It is also cataloged as Simeis 57 and has four designations in the DWB catalog based on its parts. The image displays a large amount of hydrogen, which is ionized by nearby hot, young.....<br /><a href=\"https://mastodon.online/tags/astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>astronomy</span></a> <a href=\"https://mastodon.online/tags/space\" class=\"mention hashtag\" rel=\"tag\">#<span>space</span></a> <a href=\"https://mastodon.online/tags/astrophysics\" class=\"mention hashtag\" rel=\"tag\">#<span>astrophysics</span></a> <a href=\"https://mastodon.online/tags/astrophotography\" class=\"mention hashtag\" rel=\"tag\">#<span>astrophotography</span></a></p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "image/jpeg",
"url": "https://files.mastodon.online/media_attachments/files/114/672/123/365/437/315/original/d349fec196f07c67.jpg",
"name": "Propeller Nebula by David Lindemann",
"blurhash": "UAAl@CaJ0gw[Or%1NIR*Myn$-.SiS5jFxFWr",
"focalPoint": [
-0.27,
-0.55
],
"width": 500,
"height": 477
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.online/tags/UMPlus",
"name": "#UMPlus"
},
{
"type": "Hashtag",
"href": "https://mastodon.online/tags/astronomy",
"name": "#astronomy"
},
{
"type": "Hashtag",
"href": "https://mastodon.online/tags/space",
"name": "#space"
},
{
"type": "Hashtag",
"href": "https://mastodon.online/tags/astrophysics",
"name": "#astrophysics"
},
{
"type": "Hashtag",
"href": "https://mastodon.online/tags/astrophotography",
"name": "#astrophotography"
}
],
"replies": {
"id": "https://mastodon.online/users/umplus/statuses/114672123939009473/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.online/users/umplus/statuses/114672123939009473/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon.online/users/umplus/statuses/114672123939009473/replies",
"items": []
}
},
"likes": {
"id": "https://mastodon.online/users/umplus/statuses/114672123939009473/likes",
"type": "Collection",
"totalItems": 7
},
"shares": {
"id": "https://mastodon.online/users/umplus/statuses/114672123939009473/shares",
"type": "Collection",
"totalItems": 3
}
}