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",
"Hashtag": "as:Hashtag"
}
],
"id": "https://mastodon.social/users/pomarede/statuses/114732805875754742",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-06-23T13:01:23Z",
"url": "https://mastodon.social/@pomarede/114732805875754742",
"attributedTo": "https://mastodon.social/users/pomarede",
"to": [
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],
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],
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"conversation": "tag:mastodon.social,2025-06-23:objectId=1030343794:objectType=Conversation",
"content": "<p>Candidate Dark Galaxy-2</p><p>This dark galaxy discovered in the Perseus Cluster is potentially one of the most dark matter dominated galaxies ever discovered. </p><p>☑️ <a href=\"https://www.uibk.ac.at/en/astro/news/dark-galaxy-discovered-in-the-perseus-cluster/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">uibk.ac.at/en/astro/news/dark-</span><span class=\"invisible\">galaxy-discovered-in-the-perseus-cluster/</span></a><br />☑️ <a href=\"https://doi.org/10.3847/2041-8213/adddab\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">doi.org/10.3847/2041-8213/addd</span><span class=\"invisible\">ab</span></a></p><p><a href=\"https://mastodon.social/tags/Cosmology\" class=\"mention hashtag\" rel=\"tag\">#<span>Cosmology</span></a> <a href=\"https://mastodon.social/tags/DarkGalaxy\" class=\"mention hashtag\" rel=\"tag\">#<span>DarkGalaxy</span></a> <a href=\"https://mastodon.social/tags/galaxies\" class=\"mention hashtag\" rel=\"tag\">#<span>galaxies</span></a> <a href=\"https://mastodon.social/tags/DarkMatter\" class=\"mention hashtag\" rel=\"tag\">#<span>DarkMatter</span></a> <a href=\"https://mastodon.social/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a> <a href=\"https://mastodon.social/tags/news\" class=\"mention hashtag\" rel=\"tag\">#<span>news</span></a> <a href=\"https://mastodon.social/tags/astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>astronomy</span></a> <a href=\"https://mastodon.social/tags/astrophysics\" class=\"mention hashtag\" rel=\"tag\">#<span>astrophysics</span></a> <a href=\"https://mastodon.social/tags/astrodon\" class=\"mention hashtag\" rel=\"tag\">#<span>astrodon</span></a></p>",
"contentMap": {
"en": "<p>Candidate Dark Galaxy-2</p><p>This dark galaxy discovered in the Perseus Cluster is potentially one of the most dark matter dominated galaxies ever discovered. </p><p>☑️ <a href=\"https://www.uibk.ac.at/en/astro/news/dark-galaxy-discovered-in-the-perseus-cluster/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">uibk.ac.at/en/astro/news/dark-</span><span class=\"invisible\">galaxy-discovered-in-the-perseus-cluster/</span></a><br />☑️ <a href=\"https://doi.org/10.3847/2041-8213/adddab\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">doi.org/10.3847/2041-8213/addd</span><span class=\"invisible\">ab</span></a></p><p><a href=\"https://mastodon.social/tags/Cosmology\" class=\"mention hashtag\" rel=\"tag\">#<span>Cosmology</span></a> <a href=\"https://mastodon.social/tags/DarkGalaxy\" class=\"mention hashtag\" rel=\"tag\">#<span>DarkGalaxy</span></a> <a href=\"https://mastodon.social/tags/galaxies\" class=\"mention hashtag\" rel=\"tag\">#<span>galaxies</span></a> <a href=\"https://mastodon.social/tags/DarkMatter\" class=\"mention hashtag\" rel=\"tag\">#<span>DarkMatter</span></a> <a href=\"https://mastodon.social/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a> <a href=\"https://mastodon.social/tags/news\" class=\"mention hashtag\" rel=\"tag\">#<span>news</span></a> <a href=\"https://mastodon.social/tags/astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>astronomy</span></a> <a href=\"https://mastodon.social/tags/astrophysics\" class=\"mention hashtag\" rel=\"tag\">#<span>astrophysics</span></a> <a href=\"https://mastodon.social/tags/astrodon\" class=\"mention hashtag\" rel=\"tag\">#<span>astrodon</span></a></p>"
},
"attachment": [],
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"href": "https://mastodon.social/tags/cosmology",
"name": "#cosmology"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/darkgalaxy",
"name": "#darkgalaxy"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/galaxies",
"name": "#galaxies"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/darkmatter",
"name": "#darkmatter"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/science",
"name": "#science"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/news",
"name": "#news"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/astronomy",
"name": "#astronomy"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/astrophysics",
"name": "#astrophysics"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/Astrodon",
"name": "#Astrodon"
}
],
"replies": {
"id": "https://mastodon.social/users/pomarede/statuses/114732805875754742/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.social/users/pomarede/statuses/114732805875754742/replies?only_other_accounts=true&page=true",
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},
"likes": {
"id": "https://mastodon.social/users/pomarede/statuses/114732805875754742/likes",
"type": "Collection",
"totalItems": 6
},
"shares": {
"id": "https://mastodon.social/users/pomarede/statuses/114732805875754742/shares",
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}
}