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.acm.org/users/ACM/statuses/114551728465213877",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-05-22T13:31:01Z",
"url": "https://mastodon.acm.org/@ACM/114551728465213877",
"attributedTo": "https://mastodon.acm.org/users/ACM",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.acm.org/users/ACM/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.acm.org/users/ACM/statuses/114551728465213877",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.acm.org,2025-05-22:objectId=26098797:objectType=Conversation",
"content": "<p>On May 22, 1980, the original Pac-Man made its debut and quickly became more than just an arcade hit—it marked a milestone in computing. It demonstrated early AI with ghosts that followed distinct behavioral algorithms, pushed real-time processing on limited hardware, and showcased intuitive, user-friendly design. It also was an example of early cross-platform development. A lot of fun, and a leap forward in computing!</p><p><a href=\"https://mastodon.acm.org/tags/OTD\" class=\"mention hashtag\" rel=\"tag\">#<span>OTD</span></a> <a href=\"https://mastodon.acm.org/tags/ComputingHistory\" class=\"mention hashtag\" rel=\"tag\">#<span>ComputingHistory</span></a> <a href=\"https://mastodon.acm.org/tags/OnThisDay\" class=\"mention hashtag\" rel=\"tag\">#<span>OnThisDay</span></a> <a href=\"https://mastodon.acm.org/tags/PacMan\" class=\"mention hashtag\" rel=\"tag\">#<span>PacMan</span></a> <a href=\"https://mastodon.acm.org/tags/TechHistory\" class=\"mention hashtag\" rel=\"tag\">#<span>TechHistory</span></a> <a href=\"https://mastodon.acm.org/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a></p>",
"contentMap": {
"en": "<p>On May 22, 1980, the original Pac-Man made its debut and quickly became more than just an arcade hit—it marked a milestone in computing. It demonstrated early AI with ghosts that followed distinct behavioral algorithms, pushed real-time processing on limited hardware, and showcased intuitive, user-friendly design. It also was an example of early cross-platform development. A lot of fun, and a leap forward in computing!</p><p><a href=\"https://mastodon.acm.org/tags/OTD\" class=\"mention hashtag\" rel=\"tag\">#<span>OTD</span></a> <a href=\"https://mastodon.acm.org/tags/ComputingHistory\" class=\"mention hashtag\" rel=\"tag\">#<span>ComputingHistory</span></a> <a href=\"https://mastodon.acm.org/tags/OnThisDay\" class=\"mention hashtag\" rel=\"tag\">#<span>OnThisDay</span></a> <a href=\"https://mastodon.acm.org/tags/PacMan\" class=\"mention hashtag\" rel=\"tag\">#<span>PacMan</span></a> <a href=\"https://mastodon.acm.org/tags/TechHistory\" class=\"mention hashtag\" rel=\"tag\">#<span>TechHistory</span></a> <a href=\"https://mastodon.acm.org/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a></p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "video/mp4",
"url": "https://mastodon.acm.org/system/media_attachments/files/114/551/728/367/371/786/original/2215b465e6171707.mp4",
"name": null,
"blurhash": "UQB|HT%MIUj[~qxuM{ofaxWBayfR4nM{xuay",
"width": 720,
"height": 1280
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.acm.org/tags/otd",
"name": "#otd"
},
{
"type": "Hashtag",
"href": "https://mastodon.acm.org/tags/computinghistory",
"name": "#computinghistory"
},
{
"type": "Hashtag",
"href": "https://mastodon.acm.org/tags/onthisday",
"name": "#onthisday"
},
{
"type": "Hashtag",
"href": "https://mastodon.acm.org/tags/pacman",
"name": "#pacman"
},
{
"type": "Hashtag",
"href": "https://mastodon.acm.org/tags/techhistory",
"name": "#techhistory"
},
{
"type": "Hashtag",
"href": "https://mastodon.acm.org/tags/ai",
"name": "#ai"
}
],
"replies": {
"id": "https://mastodon.acm.org/users/ACM/statuses/114551728465213877/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.acm.org/users/ACM/statuses/114551728465213877/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon.acm.org/users/ACM/statuses/114551728465213877/replies",
"items": []
}
},
"likes": {
"id": "https://mastodon.acm.org/users/ACM/statuses/114551728465213877/likes",
"type": "Collection",
"totalItems": 15
},
"shares": {
"id": "https://mastodon.acm.org/users/ACM/statuses/114551728465213877/shares",
"type": "Collection",
"totalItems": 12
}
}