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://mastodon.social/users/kleisli",
"type": "Person",
"following": "https://mastodon.social/users/kleisli/following",
"followers": "https://mastodon.social/users/kleisli/followers",
"inbox": "https://mastodon.social/users/kleisli/inbox",
"outbox": "https://mastodon.social/users/kleisli/outbox",
"featured": "https://mastodon.social/users/kleisli/collections/featured",
"featuredTags": "https://mastodon.social/users/kleisli/collections/tags",
"preferredUsername": "kleisli",
"name": "Till Kleisli",
"summary": "<p>Developing web applications with <a href=\"https://mastodon.social/tags/NeosCMS\" class=\"mention hashtag\" rel=\"tag\">#<span>NeosCMS</span></a> on <a href=\"https://mastodon.social/tags/PHP\" class=\"mention hashtag\" rel=\"tag\">#<span>PHP</span></a></p><p>Thinking about the <a href=\"https://mastodon.social/tags/fediverse\" class=\"mention hashtag\" rel=\"tag\">#<span>fediverse</span></a></p><p>Ocasionally generating <a href=\"https://mastodon.social/tags/AImusic\" class=\"mention hashtag\" rel=\"tag\">#<span>AImusic</span></a> and <a href=\"https://mastodon.social/tags/AIvideo\" class=\"mention hashtag\" rel=\"tag\">#<span>AIvideo</span></a></p><p>Interested in <a href=\"https://mastodon.social/tags/politics\" class=\"mention hashtag\" rel=\"tag\">#<span>politics</span></a> <a href=\"https://mastodon.social/tags/education\" class=\"mention hashtag\" rel=\"tag\">#<span>education</span></a> <a href=\"https://mastodon.social/tags/foss\" class=\"mention hashtag\" rel=\"tag\">#<span>foss</span></a> <a href=\"https://mastodon.social/tags/digitalsustainability\" class=\"mention hashtag\" rel=\"tag\">#<span>digitalsustainability</span></a> <a href=\"https://mastodon.social/tags/gardening\" class=\"mention hashtag\" rel=\"tag\">#<span>gardening</span></a> <a href=\"https://mastodon.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a></p>",
"url": "https://mastodon.social/@kleisli",
"manuallyApprovesFollowers": false,
"discoverable": true,
"indexable": true,
"published": "2025-04-11T00:00:00Z",
"memorial": false,
"publicKey": {
"id": "https://mastodon.social/users/kleisli#main-key",
"owner": "https://mastodon.social/users/kleisli",
"publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1zRWFg7s+Mp34adAxNWo\nXuw3G3lGzynukN3VCX4J15p75kGAbyzYW85TyTSIJP0exEQxYCUdLi+462ZxNqQb\nGSnIqn2sf2oXQ4jB1VWHIxbh+XN/fSP74tHgJfFRX1diHE2zIWYw65q6heMgu+CL\nj98+lKOsFpuxSbHcuvKSuq59NCGPaicLR9j2lEgMUdPJxgkqHuekSBrl8tTnBqgJ\nizZxj4tlDZ7F8dBVmV7xU5HoGmyeoIu1kPUDtou06XKvakHqo7mh93FI1vY10h5X\nWK3RgQBl5Jnnu9VmDIofWN0h3JUoIecqZ7TAG6WW0Gw77EDIrpFDt0gp+9dsEMVo\n2wIDAQAB\n-----END PUBLIC KEY-----\n"
},
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/php",
"name": "#php"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/politics",
"name": "#politics"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/education",
"name": "#education"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/foss",
"name": "#foss"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/ai",
"name": "#ai"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/fediverse",
"name": "#fediverse"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/gardening",
"name": "#gardening"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/neoscms",
"name": "#neoscms"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/digitalsustainability",
"name": "#digitalsustainability"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/AiMusic",
"name": "#AiMusic"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/aivideo",
"name": "#aivideo"
}
],
"attachment": [
{
"type": "PropertyValue",
"name": "Location",
"value": "Basel, Switzerland"
}
],
"endpoints": {
"sharedInbox": "https://mastodon.social/inbox"
},
"icon": {
"type": "Image",
"mediaType": "image/jpeg",
"url": "https://files.mastodon.social/accounts/avatars/114/321/446/613/044/209/original/1f4962e8a9b51689.jpg"
}
}