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",
"https://w3id.org/security/v1",
{
"manuallyApprovesFollowers": "as:manuallyApprovesFollowers",
"toot": "http://joinmastodon.org/ns#",
"featured": {
"@id": "toot:featured",
"@type": "@id"
},
"featuredTags": {
"@id": "toot:featuredTags",
"@type": "@id"
},
"alsoKnownAs": {
"@id": "as:alsoKnownAs",
"@type": "@id"
},
"movedTo": {
"@id": "as:movedTo",
"@type": "@id"
},
"schema": "http://schema.org#",
"PropertyValue": "schema:PropertyValue",
"value": "schema:value",
"discoverable": "toot:discoverable",
"suspended": "toot:suspended",
"memorial": "toot:memorial",
"indexable": "toot:indexable",
"attributionDomains": {
"@id": "toot:attributionDomains",
"@type": "@id"
},
"focalPoint": {
"@container": "@list",
"@id": "toot:focalPoint"
}
}
],
"id": "https://mastodon.social/users/issta",
"type": "Person",
"following": "https://mastodon.social/users/issta/following",
"followers": "https://mastodon.social/users/issta/followers",
"inbox": "https://mastodon.social/users/issta/inbox",
"outbox": "https://mastodon.social/users/issta/outbox",
"featured": "https://mastodon.social/users/issta/collections/featured",
"featuredTags": "https://mastodon.social/users/issta/collections/tags",
"preferredUsername": "issta",
"name": "ISSTA 2025 Conference",
"summary": "<p>The 34th edition of the ACM SIGSOFT International Symposium on Software Testing and Analysis</p>",
"url": "https://mastodon.social/@issta",
"manuallyApprovesFollowers": false,
"discoverable": false,
"indexable": false,
"published": "2024-10-24T00:00:00Z",
"memorial": false,
"publicKey": {
"id": "https://mastodon.social/users/issta#main-key",
"owner": "https://mastodon.social/users/issta",
"publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsxVyQKnG9bdBAdeFj3uZ\nPFpY2bSO6WPxJCISTq003qrwqql0xdc/gPUdUXdl7/Gaywqh/EFyluEaqIWUkVFz\nVlJu5sRE5oflk2WO0Fj0BEE0ceVDX6PtaHlyossuo/NgK/ikXx4Tqu9CL5SQqJ1S\nr6+4Vaj1lB4FeSbF1Dqq7EcpKjsdnm6KB5Sg6E6ZtTGXIGIwoznXpKamzNzIhFni\ntt6Zpbo8C3/ykG2je8LA5U6CvAzuu6Ld6gzCLQ7b1Y52YDq+mLrSbtzzEVQHxkQG\ndHswGdVHQFiLRFmObWlj4D4q4Tuw/0QEs8ufSk7/XuD0ZE39RhUfgGWOfLq87Mkm\nLQIDAQAB\n-----END PUBLIC KEY-----\n"
},
"tag": [],
"attachment": [
{
"type": "PropertyValue",
"name": "Location",
"value": "Trondheim, Norway"
},
{
"type": "PropertyValue",
"name": "Dates",
"value": "25-28 June 2025"
},
{
"type": "PropertyValue",
"name": "Website",
"value": "<a href=\"https://conf.researchr.org/home/issta-2025\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">conf.researchr.org/home/issta-</span><span class=\"invisible\">2025</span></a>"
}
],
"endpoints": {
"sharedInbox": "https://mastodon.social/inbox"
},
"icon": {
"type": "Image",
"mediaType": "image/png",
"url": "https://files.mastodon.social/accounts/avatars/113/362/602/449/352/312/original/0b07633dac5d1e0d.png"
},
"image": {
"type": "Image",
"mediaType": "image/jpeg",
"url": "https://files.mastodon.social/accounts/headers/113/362/602/449/352/312/original/649a197202ef2f95.jpg"
}
}