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"
},
"Emoji": "toot:Emoji",
"focalPoint": {
"@container": "@list",
"@id": "toot:focalPoint"
}
}
],
"id": "https://mas.to/users/b3s",
"type": "Person",
"following": "https://mas.to/users/b3s/following",
"followers": "https://mas.to/users/b3s/followers",
"inbox": "https://mas.to/users/b3s/inbox",
"outbox": "https://mas.to/users/b3s/outbox",
"featured": "https://mas.to/users/b3s/collections/featured",
"featuredTags": "https://mas.to/users/b3s/collections/tags",
"preferredUsername": "b3s",
"name": "Break3 Studios",
"summary": "<p>📰 ARTICLES (BETA): <a href=\"https://new.vex.blue/articles\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">new.vex.blue/articles</span><span class=\"invisible\"></span></a><br />:clippy: STICKERS - <span class=\"h-card\" translate=\"no\"><a href=\"https://gram.social/stickersam\" class=\"u-url mention\">@<span>stickersam</span></a></span></p>",
"url": "https://mas.to/@b3s",
"manuallyApprovesFollowers": false,
"discoverable": false,
"indexable": false,
"published": "2025-06-21T00:00:00Z",
"memorial": false,
"alsoKnownAs": [
"https://app.southampton.social/users/9yzs47xsx61l01bt"
],
"publicKey": {
"id": "https://mas.to/users/b3s#main-key",
"owner": "https://mas.to/users/b3s",
"publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyEoMlyYVf/joKJapcj8c\neiNl8+m4D/iy2C4G3BnuNsa6VRLyPzqONwhC/vxBG3//rdH94HGMcsOCaewAiysK\nvOxhw8HO1RBZw7o3/GdVs1wVDoMkIV9v8pvhW4S2bF4tLyWUnGzSggmU+4QV10qC\n7L34AKn8gzRNZQyxnlGHIaS6cEUjo5RFmFRuu0971s7wkmCWkuBExE2ktHAh57I8\n0SjGtpJuQuSX5tCvQLF86iMPwq5zk8RHebdG11mXqpm0LXcwAZctSJAkoThEOaEv\n1qSJDsExAagnvCWPYCi+g68LwTnEnBrSecQsFwAG7oAy4HWI+CHbCG06A4trw4Td\nmQIDAQAB\n-----END PUBLIC KEY-----\n"
},
"tag": [
{
"id": "https://mas.to/emojis/347760",
"type": "Emoji",
"name": ":clippy:",
"updated": "2023-02-13T05:03:45Z",
"icon": {
"type": "Image",
"mediaType": "image/png",
"url": "https://media.mas.to/custom_emojis/images/000/347/760/original/43569d6978c9a518.png"
}
}
],
"attachment": [
{
"type": "PropertyValue",
"name": "BETA Website",
"value": "<a href=\"https://new.vex.blue\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">new.vex.blue</span><span class=\"invisible\"></span></a>"
}
],
"endpoints": {
"sharedInbox": "https://mas.to/inbox"
},
"icon": {
"type": "Image",
"mediaType": "image/png",
"url": "https://media.mas.to/accounts/avatars/114/723/949/357/315/476/original/e2b2bcef2fca5c0b.png"
},
"image": {
"type": "Image",
"mediaType": "image/png",
"url": "https://media.mas.to/accounts/headers/114/723/949/357/315/476/original/802c81cfcce4e113.png"
}
}