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://fosstodon.org/users/cedric/statuses/114502389098508912",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-05-13T20:23:22Z",
"url": "https://fosstodon.org/@cedric/114502389098508912",
"attributedTo": "https://fosstodon.org/users/cedric",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://fosstodon.org/users/cedric/followers"
],
"sensitive": false,
"atomUri": "https://fosstodon.org/users/cedric/statuses/114502389098508912",
"inReplyToAtomUri": null,
"conversation": "tag:fosstodon.org,2025-05-13:objectId=315939107:objectType=Conversation",
"content": "<p>RSS feed for CISA KEV vulnerabilities, powered by Vulnerability-Lookup:</p><p><a href=\"https://www.vulnerability-lookup.org/user-manual/feed-syndication/#most-recent-entries-from-known-exploited-vulnerabilities\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">vulnerability-lookup.org/user-</span><span class=\"invisible\">manual/feed-syndication/#most-recent-entries-from-known-exploited-vulnerabilities</span></a></p><p><a href=\"https://fosstodon.org/tags/rss\" class=\"mention hashtag\" rel=\"tag\">#<span>rss</span></a> <a href=\"https://fosstodon.org/tags/cisa\" class=\"mention hashtag\" rel=\"tag\">#<span>cisa</span></a> <a href=\"https://fosstodon.org/tags/cybersecurity\" class=\"mention hashtag\" rel=\"tag\">#<span>cybersecurity</span></a> <a href=\"https://fosstodon.org/tags/feed\" class=\"mention hashtag\" rel=\"tag\">#<span>feed</span></a> <a href=\"https://fosstodon.org/tags/OpenSource\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenSource</span></a> <a href=\"https://fosstodon.org/tags/OpenData\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenData</span></a> <a href=\"https://fosstodon.org/tags/cve\" class=\"mention hashtag\" rel=\"tag\">#<span>cve</span></a> <a href=\"https://fosstodon.org/tags/VulnerabilityLookup\" class=\"mention hashtag\" rel=\"tag\">#<span>VulnerabilityLookup</span></a></p>",
"contentMap": {
"en": "<p>RSS feed for CISA KEV vulnerabilities, powered by Vulnerability-Lookup:</p><p><a href=\"https://www.vulnerability-lookup.org/user-manual/feed-syndication/#most-recent-entries-from-known-exploited-vulnerabilities\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">vulnerability-lookup.org/user-</span><span class=\"invisible\">manual/feed-syndication/#most-recent-entries-from-known-exploited-vulnerabilities</span></a></p><p><a href=\"https://fosstodon.org/tags/rss\" class=\"mention hashtag\" rel=\"tag\">#<span>rss</span></a> <a href=\"https://fosstodon.org/tags/cisa\" class=\"mention hashtag\" rel=\"tag\">#<span>cisa</span></a> <a href=\"https://fosstodon.org/tags/cybersecurity\" class=\"mention hashtag\" rel=\"tag\">#<span>cybersecurity</span></a> <a href=\"https://fosstodon.org/tags/feed\" class=\"mention hashtag\" rel=\"tag\">#<span>feed</span></a> <a href=\"https://fosstodon.org/tags/OpenSource\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenSource</span></a> <a href=\"https://fosstodon.org/tags/OpenData\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenData</span></a> <a href=\"https://fosstodon.org/tags/cve\" class=\"mention hashtag\" rel=\"tag\">#<span>cve</span></a> <a href=\"https://fosstodon.org/tags/VulnerabilityLookup\" class=\"mention hashtag\" rel=\"tag\">#<span>VulnerabilityLookup</span></a></p>"
},
"attachment": [],
"tag": [
{
"type": "Hashtag",
"href": "https://fosstodon.org/tags/rss",
"name": "#rss"
},
{
"type": "Hashtag",
"href": "https://fosstodon.org/tags/cisa",
"name": "#cisa"
},
{
"type": "Hashtag",
"href": "https://fosstodon.org/tags/cybersecurity",
"name": "#cybersecurity"
},
{
"type": "Hashtag",
"href": "https://fosstodon.org/tags/feed",
"name": "#feed"
},
{
"type": "Hashtag",
"href": "https://fosstodon.org/tags/opensource",
"name": "#opensource"
},
{
"type": "Hashtag",
"href": "https://fosstodon.org/tags/opendata",
"name": "#opendata"
},
{
"type": "Hashtag",
"href": "https://fosstodon.org/tags/cve",
"name": "#cve"
},
{
"type": "Hashtag",
"href": "https://fosstodon.org/tags/vulnerabilitylookup",
"name": "#vulnerabilitylookup"
}
],
"replies": {
"id": "https://fosstodon.org/users/cedric/statuses/114502389098508912/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://fosstodon.org/users/cedric/statuses/114502389098508912/replies?only_other_accounts=true&page=true",
"partOf": "https://fosstodon.org/users/cedric/statuses/114502389098508912/replies",
"items": []
}
},
"likes": {
"id": "https://fosstodon.org/users/cedric/statuses/114502389098508912/likes",
"type": "Collection",
"totalItems": 9
},
"shares": {
"id": "https://fosstodon.org/users/cedric/statuses/114502389098508912/shares",
"type": "Collection",
"totalItems": 7
}
}