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://ieji.de/users/neutrinoceros",
"type": "Person",
"following": "https://ieji.de/users/neutrinoceros/following",
"followers": "https://ieji.de/users/neutrinoceros/followers",
"inbox": "https://ieji.de/users/neutrinoceros/inbox",
"outbox": "https://ieji.de/users/neutrinoceros/outbox",
"featured": "https://ieji.de/users/neutrinoceros/collections/featured",
"featuredTags": "https://ieji.de/users/neutrinoceros/collections/tags",
"preferredUsername": "neutrinoceros",
"name": "Clément Robert",
"summary": "<p>Scientific Software Engineer.<br />PhD in astrophysicist.<br />Cat person.</p><p><a href=\"https://ieji.de/tags/Python\" class=\"mention hashtag\" rel=\"tag\">#<span>Python</span></a>-addict 🐍 and <a href=\"https://ieji.de/tags/Rustlang\" class=\"mention hashtag\" rel=\"tag\">#<span>Rustlang</span></a>-enthusiast 🦀, mainly operating in the <a href=\"https://ieji.de/tags/ScientificPython\" class=\"mention hashtag\" rel=\"tag\">#<span>ScientificPython</span></a> ecosystem.</p><p>Maintainer of <span class=\"h-card\" translate=\"no\"><a href=\"https://astrodon.social/@astropy\" class=\"u-url mention\">@<span>astropy</span></a></span>, <a href=\"https://ieji.de/tags/yt_project\" class=\"mention hashtag\" rel=\"tag\">#<span>yt_project</span></a>, <a href=\"https://ieji.de/tags/h5py\" class=\"mention hashtag\" rel=\"tag\">#<span>h5py</span></a>, <a href=\"https://ieji.de/tags/cmasher\" class=\"mention hashtag\" rel=\"tag\">#<span>cmasher</span></a> and more.</p>",
"url": "https://ieji.de/@neutrinoceros",
"manuallyApprovesFollowers": false,
"discoverable": false,
"indexable": false,
"published": "2025-04-29T00:00:00Z",
"memorial": false,
"alsoKnownAs": [
"https://fosstodon.org/users/neutrinoceros"
],
"publicKey": {
"id": "https://ieji.de/users/neutrinoceros#main-key",
"owner": "https://ieji.de/users/neutrinoceros",
"publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsJO8QBBlsjvHeYL4HhSt\nDipR8aO2athn6ijwaqjP2zakpcFU4YStPIn1ouTrm8/3T7U06eXXhL+1T9abSs0a\nfYqK18rzGS4u7JpA4F9+1whKi0M8t9gKxW5fxjnxWWK8zU8z6oa2IeWG6Elg4ygz\nH19BPkSteY2D6zo/bbdctiqWxgogMfwTI6yZ9RBQgNaK6Lfs5yd4b+gtPiWx5+gs\nvK9SRfiQZ0WaKbfQVwRbb7RNz6eU/M3kAhrSZP4dxjeAsapnY5T900RSSDPQiJDH\n5ofgEcDZzOdvf2Ndm7hkCrQJk0m9zErUBq0FgGJ1Oy8wU10Kwb3DsdyjNXdnAhAp\nVwIDAQAB\n-----END PUBLIC KEY-----\n"
},
"tag": [
{
"type": "Hashtag",
"href": "https://ieji.de/tags/rustlang",
"name": "#rustlang"
},
{
"type": "Hashtag",
"href": "https://ieji.de/tags/python",
"name": "#python"
},
{
"type": "Hashtag",
"href": "https://ieji.de/tags/h5py",
"name": "#h5py"
},
{
"type": "Hashtag",
"href": "https://ieji.de/tags/scientificpython",
"name": "#scientificpython"
},
{
"type": "Hashtag",
"href": "https://ieji.de/tags/yt_project",
"name": "#yt_project"
},
{
"type": "Hashtag",
"href": "https://ieji.de/tags/cmasher",
"name": "#cmasher"
}
],
"attachment": [
{
"type": "PropertyValue",
"name": "GitHub",
"value": "<a href=\"https://github.com/neutrinoceros\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">github.com/neutrinoceros</span><span class=\"invisible\"></span></a>"
}
],
"endpoints": {
"sharedInbox": "https://ieji.de/inbox"
},
"icon": {
"type": "Image",
"mediaType": "image/jpeg",
"url": "https://ftp.ieji.de/accounts/avatars/114/420/379/575/926/521/original/f7cc9b249fe3c04b.jpg"
},
"image": {
"type": "Image",
"mediaType": "image/png",
"url": "https://ftp.ieji.de/accounts/headers/114/420/379/575/926/521/original/696dc5ffa8d4f986.png"
}
}