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://mastodon.social/users/StreamRadar", "type": "Service", "following": "https://mastodon.social/users/StreamRadar/following", "followers": "https://mastodon.social/users/StreamRadar/followers", "inbox": "https://mastodon.social/users/StreamRadar/inbox", "outbox": "https://mastodon.social/users/StreamRadar/outbox", "featured": "https://mastodon.social/users/StreamRadar/collections/featured", "featuredTags": "https://mastodon.social/users/StreamRadar/collections/tags", "preferredUsername": "StreamRadar", "name": "StreamRadar", "summary": "<p>Broadcasting the Fediverse! 🚀📡 Get real-time updates when streamers go live on PeerTube and beyond. Stay tuned and never miss a stream! <a href=\"https://mastodon.social/tags/LiveNow\" class=\"mention hashtag\" rel=\"tag\">#<span>LiveNow</span></a> <a href=\"https://mastodon.social/tags/FediverseStreaming\" class=\"mention hashtag\" rel=\"tag\">#<span>FediverseStreaming</span></a> <a href=\"https://mastodon.social/tags/PeerTubeLive\" class=\"mention hashtag\" rel=\"tag\">#<span>PeerTubeLive</span></a> <a href=\"https://mastodon.social/tags/streaming\" class=\"mention hashtag\" rel=\"tag\">#<span>streaming</span></a> <a href=\"https://mastodon.social/tags/twitch\" class=\"mention hashtag\" rel=\"tag\">#<span>twitch</span></a> <a href=\"https://mastodon.social/tags/peertube\" class=\"mention hashtag\" rel=\"tag\">#<span>peertube</span></a> <a href=\"https://mastodon.social/tags/owncast\" class=\"mention hashtag\" rel=\"tag\">#<span>owncast</span></a></p><p>posts are generated by a python program will post the source code on github. message me at <a href=\"https://mastodon.social/@Cattail\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">mastodon.social/@Cattail</span><span class=\"invisible\"></span></a> if you want your owncast instance or peertube livestream to appear on this profile.</p><p>source code is at <a href=\"https://github.com/solidheron/mastodon-stream-bot\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">github.com/solidheron/mastodon</span><span class=\"invisible\">-stream-bot</span></a></p>", "url": "https://mastodon.social/@StreamRadar", "manuallyApprovesFollowers": false, "discoverable": true, "indexable": true, "published": "2025-02-13T00:00:00Z", "memorial": false, "publicKey": { "id": "https://mastodon.social/users/StreamRadar#main-key", "owner": "https://mastodon.social/users/StreamRadar", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnwgh/vj/9FRek5MZsO/t\nCqlaEpFqul3H5rBPx2Mm9Xh77Ww4Qz4AX8j3kdRzTeQ/iBnxYoH8fEjKyB04tlLq\nafGTNrr35svfHrDmzxc0+uM0UYbQUVXMj7JVaoyUsD0L08ziAM14DEuB0HpORyW/\n7Nm1pMXWBxX7NyVr7t581rN2ujmOjXfzNkcLEGKJtWRkERyaygxZ9jEmUgE3U0ck\nBPOGJomTU1zXv7DFl5lqigMeSGQNdHVr9TX0FQCWRiJ7uJucasikvJkN5H75y8jO\naBi4ewlbopf/Xqr2VkTWbqmGA7/4oyALlAwg4Gk6ITFYfCkCaouA9Vg1vWDzXRCe\nawIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/streaming", "name": "#streaming" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/twitch", "name": "#twitch" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/peertube", "name": "#peertube" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/livenow", "name": "#livenow" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/peertubelive", "name": "#peertubelive" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/owncast", "name": "#owncast" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/fediversestreaming", "name": "#fediversestreaming" } ], "attachment": [], "endpoints": { "sharedInbox": "https://mastodon.social/inbox" }, "icon": { "type": "Image", "mediaType": "image/webp", "url": "https://files.mastodon.social/accounts/avatars/113/993/827/877/349/531/original/b1e921aac6e2ea0f.webp" } }