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://berlin.social/users/mina/statuses/114733812785322989",
"type": "Note",
"summary": null,
"inReplyTo": "https://social.wildeboer.net/users/jwildeboer/statuses/114733514025163040",
"published": "2025-06-23T17:17:27Z",
"url": "https://berlin.social/@mina/114733812785322989",
"attributedTo": "https://berlin.social/users/mina",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://berlin.social/users/mina/followers",
"https://social.wildeboer.net/users/jwildeboer",
"https://mastodon.social/users/Gargron",
"https://cosocial.ca/users/evan"
],
"sensitive": false,
"atomUri": "https://berlin.social/users/mina/statuses/114733812785322989",
"inReplyToAtomUri": "https://social.wildeboer.net/users/jwildeboer/statuses/114733514025163040",
"conversation": "tag:social.wildeboer.net,2025-06-23:objectId=11567759:objectType=Conversation",
"content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://social.wildeboer.net/@jwildeboer\" class=\"u-url mention\">@<span>jwildeboer</span></a></span> </p><p>My guess is <a href=\"https://berlin.social/tags/ReGex\" class=\"mention hashtag\" rel=\"tag\">#<span>ReGex</span></a>:</p><p>In regular expressions, the underscore counts as a "word character", whilst dashes, commas, dots, whitespaces etc. count as "non word characters".</p><p>This is a hugely important thing: All relevant APIs rely heavily on RegExes.</p><p>I'm afraid, your initiative won't succeed for that reason:</p><p>All <a href=\"https://berlin.social/tags/ActivityPub\" class=\"mention hashtag\" rel=\"tag\">#<span>ActivityPub</span></a> software would have to be revised and patched to solve a niche annoyance.</p><p>My bet: It ain't gonna happen.<br /> <br /><span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@Gargron\" class=\"u-url mention\">@<span>Gargron</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://cosocial.ca/@evan\" class=\"u-url mention\">@<span>evan</span></a></span></p>",
"contentMap": {
"en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://social.wildeboer.net/@jwildeboer\" class=\"u-url mention\">@<span>jwildeboer</span></a></span> </p><p>My guess is <a href=\"https://berlin.social/tags/ReGex\" class=\"mention hashtag\" rel=\"tag\">#<span>ReGex</span></a>:</p><p>In regular expressions, the underscore counts as a "word character", whilst dashes, commas, dots, whitespaces etc. count as "non word characters".</p><p>This is a hugely important thing: All relevant APIs rely heavily on RegExes.</p><p>I'm afraid, your initiative won't succeed for that reason:</p><p>All <a href=\"https://berlin.social/tags/ActivityPub\" class=\"mention hashtag\" rel=\"tag\">#<span>ActivityPub</span></a> software would have to be revised and patched to solve a niche annoyance.</p><p>My bet: It ain't gonna happen.<br /> <br /><span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@Gargron\" class=\"u-url mention\">@<span>Gargron</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://cosocial.ca/@evan\" class=\"u-url mention\">@<span>evan</span></a></span></p>"
},
"attachment": [],
"tag": [
{
"type": "Mention",
"href": "https://social.wildeboer.net/users/jwildeboer",
"name": "@jwildeboer@social.wildeboer.net"
},
{
"type": "Mention",
"href": "https://mastodon.social/users/Gargron",
"name": "@Gargron@mastodon.social"
},
{
"type": "Mention",
"href": "https://cosocial.ca/users/evan",
"name": "@evan@cosocial.ca"
},
{
"type": "Hashtag",
"href": "https://berlin.social/tags/regex",
"name": "#regex"
},
{
"type": "Hashtag",
"href": "https://berlin.social/tags/activitypub",
"name": "#activitypub"
}
],
"replies": {
"id": "https://berlin.social/users/mina/statuses/114733812785322989/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://berlin.social/users/mina/statuses/114733812785322989/replies?only_other_accounts=true&page=true",
"partOf": "https://berlin.social/users/mina/statuses/114733812785322989/replies",
"items": []
}
},
"likes": {
"id": "https://berlin.social/users/mina/statuses/114733812785322989/likes",
"type": "Collection",
"totalItems": 0
},
"shares": {
"id": "https://berlin.social/users/mina/statuses/114733812785322989/shares",
"type": "Collection",
"totalItems": 0
}
}