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.

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{ "@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" }, "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://mastodon.social/users/crescendo_himmelweiss", "type": "Person", "following": "https://mastodon.social/users/crescendo_himmelweiss/following", "followers": "https://mastodon.social/users/crescendo_himmelweiss/followers", "inbox": "https://mastodon.social/users/crescendo_himmelweiss/inbox", "outbox": "https://mastodon.social/users/crescendo_himmelweiss/outbox", "featured": "https://mastodon.social/users/crescendo_himmelweiss/collections/featured", "featuredTags": "https://mastodon.social/users/crescendo_himmelweiss/collections/tags", "preferredUsername": "crescendo_himmelweiss", "name": "Crescendo Himmelweiss", "summary": "", "url": "https://mastodon.social/@crescendo_himmelweiss", "manuallyApprovesFollowers": false, "discoverable": true, "indexable": true, "published": "2025-03-13T00:00:00Z", "memorial": false, "publicKey": { "id": "https://mastodon.social/users/crescendo_himmelweiss#main-key", "owner": "https://mastodon.social/users/crescendo_himmelweiss", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4UkRaiV+0aTJhduUpT4g\nTWE1fB68MhaIqR/jlkIzJZKI1lHKP8xS/POpyvDFD9sJZsZbygbCDqn7vQ0tK2uJ\nm+70vemVGZi1pogzlkXBBq4L7xsJieLPzK07JF1GrJSZpTYQVl7NJhmURONZNBAv\nyO2seBuEa0IcJbei93bkLpm6nChRSx7R7ScjU1G/OLsxUOVMGrLBsttDJ0nqfkpG\n6K0W9885+Q2XAhdgkCazjn47158hYBf3h4f1EQUQw3peo/Q1vBLQupzr22PMsImz\nKeXF3KlnyHQ7wk64WxMOhZR9Xi1R7ndpykaURaznt9ju1Ci8sqfXGS7nH++ufBiB\nXQIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [], "attachment": [], "endpoints": { "sharedInbox": "https://mastodon.social/inbox" }, "icon": { "type": "Image", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/accounts/avatars/114/156/739/881/611/824/original/e442a2cc59359272.jpg" }, "image": { "type": "Image", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/accounts/headers/114/156/739/881/611/824/original/80da24b7ed6e8ebd.jpg" } }