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"
},
"Hashtag": "as:Hashtag",
"focalPoint": {
"@container": "@list",
"@id": "toot:focalPoint"
}
}
],
"id": "https://sigmoid.social/users/eswc_conf",
"type": "Person",
"following": "https://sigmoid.social/users/eswc_conf/following",
"followers": "https://sigmoid.social/users/eswc_conf/followers",
"inbox": "https://sigmoid.social/users/eswc_conf/inbox",
"outbox": "https://sigmoid.social/users/eswc_conf/outbox",
"featured": "https://sigmoid.social/users/eswc_conf/collections/featured",
"featuredTags": "https://sigmoid.social/users/eswc_conf/collections/tags",
"preferredUsername": "eswc_conf",
"name": "ESWC Conferences",
"summary": "<p>The official account of the Extended Semantic Web Conference. <br />🗓️ ESWC 2025 - 22nd edition | June 1-5 | Portoroz <a href=\"https://sigmoid.social/tags/ESWC2025\" class=\"mention hashtag\" rel=\"tag\">#<span>ESWC2025</span></a></p>",
"url": "https://sigmoid.social/@eswc_conf",
"manuallyApprovesFollowers": false,
"discoverable": false,
"indexable": false,
"published": "2023-01-11T00:00:00Z",
"memorial": false,
"alsoKnownAs": [
"https://mapstodon.space/users/eswc_conf"
],
"publicKey": {
"id": "https://sigmoid.social/users/eswc_conf#main-key",
"owner": "https://sigmoid.social/users/eswc_conf",
"publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1HrKoYUhZ2GPKD7M55ZZ\nEvfnOPmy09C9RQN+HQl5Qj2JfEErk5QCMF4oMgR+L+dAE/wJ3sUU6ag+lTaGYJ+h\n29byu7q29vlHbHc62mPFHD/coubnaa3xuY1Yk71gro0uujYcMQSGhFQCQMeeiO/W\nohW3vUugLD6nKpYlbjzs5+GQnoEa1sbQkTPpHpD5xEd2p5jAD2+0jQgpjB8iPtja\ntbaqMrYsWddpgLkTmjJHjFo0gkwgcX4ilwWj7dtqJ5rknqHYs8pYlmHfWypP1Cg7\nNDzrs5S8qzUNY9UMtVMFjlQehYr1jAh2cq2v9PDq9rd7vNrDVbmKq1EBrDcTU1BK\npQIDAQAB\n-----END PUBLIC KEY-----\n"
},
"tag": [
{
"type": "Hashtag",
"href": "https://sigmoid.social/tags/eswc2025",
"name": "#eswc2025"
}
],
"attachment": [],
"endpoints": {
"sharedInbox": "https://sigmoid.social/inbox"
},
"icon": {
"type": "Image",
"mediaType": "image/jpeg",
"url": "https://cdn.masto.host/sigmoidsocial/accounts/avatars/109/671/700/313/015/821/original/984c2ff2f2e24fca.jpg"
},
"image": {
"type": "Image",
"mediaType": "image/png",
"url": "https://cdn.masto.host/sigmoidsocial/accounts/headers/109/671/700/313/015/821/original/4270d67ee669d898.png"
}
}