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" ], "id": "https://qrk.one/activitypub/kev", "url": "https://qrk.one/activitypub/kev", "type": "Person", "preferredUsername": "kev", "name": "Kev Quirk", "summary": "Used to help run Fosstodon. These days, I hang out on Micro.blog.\n\nI work in InfoSec and live with two kids, one wife, two dogs, a blind cat, a flock of chickens, and more fish than I can count.\n\nAlso into watches and motorbikes — both riding and wrenching.", "inbox": "https://micro.blog/activitypub/kev/inbox", "outbox": "https://micro.blog/activitypub/kev/outbox", "followers": "https://micro.blog/activitypub/kev/followers", "following": "https://micro.blog/activitypub/kev/following", "endpoints": { "sharedInbox": "https://micro.blog/activitypub/shared/inbox" }, "publicKey": { "id": "https://qrk.one/activitypub/kev#key", "owner": "https://qrk.one/activitypub/kev", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx8lWdEuOoE3UXG37TOxw\n8DImng6ZRu0QSBMaFOq5qtcTV3ncH9H/j03XWOyH8m61qFNBKTvi+eW4iq0AAU26\nRZuQrW0hpuss7qW1MBXBAin0VhUnSCyCacqvw47zpc7LsoHgfGUd9WSspaEbLzku\nuS5bX340SMHdLgk5RR9pI+0qeFysqy6A4BR9YPqvBkYEOoc31rieWTRX7OFVFNVK\nuWqgeeVNed2VPipBgOkhGomRbSjNHOalD6LYtqvfqsIAs2E+41zw74fU43pMRZk6\nnpSPNwpU+eiEVp3dnYb85A2EaLpHizu97TBg5tMsvfB/Udf8/S0s3aS8e3nnpCtB\nCQIDAQAB\n-----END PUBLIC KEY-----\n" }, "icon": { "url": "https://micro.blog/kev/avatar.jpg", "type": "Image", "mediaType": "image/jpeg" }, "image": { "url": "https://avatars.micro.blog/avatars/2025/17/1762948_header.jpg", "type": "Image", "mediaType": "image/jpeg" }, "alsoKnownAs": [ "https://fosstodon.org/users/kev" ], "attachment": [ { "type": "PropertyValue", "name": "Blog", "value": "<a href=\"https://qrk.one/\">qrk.one</a>" } ] }