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", "Device": "toot:Device", "Ed25519Signature": "toot:Ed25519Signature", "Ed25519Key": "toot:Ed25519Key", "Curve25519Key": "toot:Curve25519Key", "EncryptedMessage": "toot:EncryptedMessage", "publicKeyBase64": "toot:publicKeyBase64", "deviceId": "toot:deviceId", "claim": { "@type": "@id", "@id": "toot:claim" }, "fingerprintKey": { "@type": "@id", "@id": "toot:fingerprintKey" }, "identityKey": { "@type": "@id", "@id": "toot:identityKey" }, "devices": { "@type": "@id", "@id": "toot:devices" }, "messageFranking": "toot:messageFranking", "messageType": "toot:messageType", "cipherText": "toot:cipherText", "suspended": "toot:suspended", "Hashtag": "as:Hashtag", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://mastodon.sdf.org/users/adamcrussell", "type": "Person", "following": "https://mastodon.sdf.org/users/adamcrussell/following", "followers": "https://mastodon.sdf.org/users/adamcrussell/followers", "inbox": "https://mastodon.sdf.org/users/adamcrussell/inbox", "outbox": "https://mastodon.sdf.org/users/adamcrussell/outbox", "featured": "https://mastodon.sdf.org/users/adamcrussell/collections/featured", "featuredTags": "https://mastodon.sdf.org/users/adamcrussell/collections/tags", "preferredUsername": "adamcrussell", "name": "adamcrussell", "summary": "<p>Principal Engineer -- AI Graph Systems @ Context Labs BV, PhD Computer Science, US Navy Veteran, Vintage Honda Motorcyles, PMA and Bhakti Yoga
 <a href=\"http://www.rabbitfarm.com/cgi-bin/blosxom/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">http://www.</span><span class=\"ellipsis\">rabbitfarm.com/cgi-bin/blosxom</span><span class=\"invisible\">/</span></a></p><p><a href=\"https://mastodon.sdf.org/tags/Perl\" class=\"mention hashtag\" rel=\"tag\">#<span>Perl</span></a> <a href=\"https://mastodon.sdf.org/tags/Prolog\" class=\"mention hashtag\" rel=\"tag\">#<span>Prolog</span></a> <a href=\"https://mastodon.sdf.org/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a> <a href=\"https://mastodon.sdf.org/tags/KnowledgeGraphs\" class=\"mention hashtag\" rel=\"tag\">#<span>KnowledgeGraphs</span></a> <a href=\"https://mastodon.sdf.org/tags/SemanticWeb\" class=\"mention hashtag\" rel=\"tag\">#<span>SemanticWeb</span></a></p>", "url": "https://mastodon.sdf.org/@adamcrussell", "manuallyApprovesFollowers": false, "discoverable": true, "published": "2022-11-04T00:00:00Z", "devices": "https://mastodon.sdf.org/users/adamcrussell/collections/devices", "publicKey": { "id": "https://mastodon.sdf.org/users/adamcrussell#main-key", "owner": "https://mastodon.sdf.org/users/adamcrussell", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6mR9Ig7Nw0JET5JtGJXJ\nlGaxw4QueolzpEf7GzXk94WjJ6l1YJKaPrP9zPzZlR9H24eVzJM34g/AW2LU7WA2\nL28GeNhwndEtYpxAeD2ne7ajOEJ54nCrWcrLF7CNiBQl6jWCVcbfzhiucOjIKMiy\nkt7gXEsouwBshiD976x1sfEC08MjKwSgBgE9OITHUQg595Kr504wwIJzB8P4XA6h\nIdq6i7DfN9/YBE8XGTEo0YOWfFS2klyeYjclg+n0vb/x3yAbTTamNh4HTu7mqhIV\nBWzx8Gg90hh9R4AgYUa9PmtmzLHakZaFRU9TqT50QiKXbzGZnWxbjdBucrRF+1/t\nLQIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/perl", "name": "#perl" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/ai", "name": "#ai" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/prolog", "name": "#prolog" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/semanticweb", "name": "#semanticweb" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/KnowledgeGraphs", "name": "#KnowledgeGraphs" } ], "attachment": [ { "type": "PropertyValue", "name": "Pixelfed", "value": "https://adamcrussell@pixelfed.sdf.org" } ], "endpoints": { "sharedInbox": "https://mastodon.sdf.org/inbox" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://mastodon.sdf.org/system/accounts/avatars/109/287/785/290/720/830/original/ce4470fb9b98b6fc.png" } }