ActivityPub Viewer

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.

Open in browser →
{ "@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://mementomori.social/users/njsg", "type": "Person", "following": "https://mementomori.social/users/njsg/following", "followers": "https://mementomori.social/users/njsg/followers", "inbox": "https://mementomori.social/users/njsg/inbox", "outbox": "https://mementomori.social/users/njsg/outbox", "featured": "https://mementomori.social/users/njsg/collections/featured", "featuredTags": "https://mementomori.social/users/njsg/collections/tags", "preferredUsername": "njsg", "name": "njsg", "summary": "<p><a href=\"https://mementomori.social/tags/TrainGeek\" class=\"mention hashtag\" rel=\"tag\">#<span>TrainGeek</span></a> who tries to write computer code. Interests may include <a href=\"https://mementomori.social/tags/RetroComputing\" class=\"mention hashtag\" rel=\"tag\">#<span>RetroComputing</span></a>, <a href=\"https://mementomori.social/tags/ComputingHistory\" class=\"mention hashtag\" rel=\"tag\">#<span>ComputingHistory</span></a> and <a href=\"https://mementomori.social/tags/UNIX\" class=\"mention hashtag\" rel=\"tag\">#<span>UNIX</span></a>. 100% asbestos-free.</p><p>Profile image is a slightly modified version of Pale Blue Dot.</p><p>(Moved from <span class=\"h-card\" translate=\"no\"><a href=\"https://social.sdf.org/@njsg\" class=\"u-url mention\">@<span>njsg</span></a></span>.)</p><p>Posts (and boosts) will be mostly in EN, PT and FI.</p>", "url": "https://mementomori.social/@njsg", "manuallyApprovesFollowers": false, "discoverable": false, "indexable": false, "published": "2025-01-07T00:00:00Z", "memorial": false, "publicKey": { "id": "https://mementomori.social/users/njsg#main-key", "owner": "https://mementomori.social/users/njsg", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0j4V8FV5gw4yzZCL7S2Z\nsEbdj6tUlawS9h3YSwLVU2wzdfRLrmOrL77YdSuvNqE5kbwa6A1q9pgK6wvJ9ZN+\n7QA7PlS0Oxn8VPNqgHKtwIVA5xvK+nVVkT00Xas7n6c361PvGE6K6eoiNLVwVxi6\nK8PUimC4FATnOL8dpDjzPhP5+epau1ks4hCTlyz/WHYSxy3gpGDvFPjsoy+je4P5\nzFaVhPi5E24Ed8ibqTpIkopOvqIPR1qAVYhQrO5VQWLqaVWbalSE7GOcz8XzYUg4\nJylHSIm9oPF/t+lr22a/z6obGDt04nTBAysJKfdL0PfJGpYFXQlR+doZKtPA72UJ\njwIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "type": "Hashtag", "href": "https://mementomori.social/tags/retrocomputing", "name": "#retrocomputing" }, { "type": "Hashtag", "href": "https://mementomori.social/tags/unix", "name": "#unix" }, { "type": "Hashtag", "href": "https://mementomori.social/tags/computinghistory", "name": "#computinghistory" }, { "type": "Hashtag", "href": "https://mementomori.social/tags/traingeek", "name": "#traingeek" } ], "attachment": [], "endpoints": { "sharedInbox": "https://mementomori.social/inbox" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://media.mementomori.social/accounts/avatars/113/787/933/609/073/931/original/1f4ff08dfba2637c.png" } }