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", "https://w3id.org/security/data-integrity/v1", "https://www.w3.org/ns/did/v1", "https://w3id.org/security/multikey/v1", { "alsoKnownAs": { "@id": "as:alsoKnownAs", "@type": "@id" }, "manuallyApprovesFollowers": "as:manuallyApprovesFollowers", "movedTo": { "@id": "as:movedTo", "@type": "@id" }, "toot": "http://joinmastodon.org/ns#", "Emoji": "toot:Emoji", "featured": { "@id": "toot:featured", "@type": "@id" }, "featuredTags": { "@id": "toot:featuredTags", "@type": "@id" }, "discoverable": "toot:discoverable", "suspended": "toot:suspended", "memorial": "toot:memorial", "indexable": "toot:indexable", "schema": "http://schema.org#", "PropertyValue": "schema:PropertyValue", "value": "schema:value", "misskey": "https://misskey-hub.net/ns#", "_misskey_followedMessage": "misskey:_misskey_followedMessage", "isCat": "misskey:isCat" } ], "id": "https://www.leafyfield.au/.ghost/activitypub/users/index", "type": "Person", "inbox": "https://www.leafyfield.au/.ghost/activitypub/inbox/index", "publicKey": { "id": "https://www.leafyfield.au/.ghost/activitypub/users/index#main-key", "type": "CryptographicKey", "owner": "https://www.leafyfield.au/.ghost/activitypub/users/index", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxaY7K8SOaXjKXM/k3i9Q\nfb6tdbwsUfflhMSEDASSVXziYksyRElaGHdZEkS54bNeuqE2/aCgKoo1a5kD5ZVZ\nPbtjDnMczonekYX+iPlbb/M8YeFcGwrGNQBBoK9F+GI0IJWPUjCMNFVsn9fP8rdm\nMiIyzUBorDxpp4zIL+Y4iyAmDSmxAG0i+xnopIqI61vTkshMGaXhRFsggzJS3UK1\n1BreGuveRnXe+6jI2ElM5cev5kks36J2/WvaBZo4LyK9ThrcZoKG1brL7dJ4YPWM\nK/Y/UpfxuBSUZBM2rXVJEM8VLVSvExLYLF3NyV3Fu0mZvnhtMs/i5awbcr0cFv1C\neyraE1hIl/qcpqQLYj2lwVDA5RTFmMrD8hR9C4/wMDyZcH1YRSKX7xYdxq81nKx4\n4yoSH6130gyFwfpyDN4UL62ROiUCRi3oiQuUg4JHRCQ96ne/fiFCk7spqGxqIRtQ\nkoSmuoLXvrRNWCb8MzuLDTwPQni5CyC993lZfRoKKCFK8BzrHxjJd9ZmA9I4a25E\nvBXkZSM82cnzH56n4pyakWDHtI3yVCL2/oBa7oTC6hrA5eFrkZ2CRVf93AhEOEJv\nldbSPdzdHmU2pOGrTccXRvf92m99Q2zuk1UrJX79oLPb9P2uwx1hroDsBV47hUAU\n7oZLAvtzD1ZYNIdmGDOVQh8CAwEAAQ==\n-----END PUBLIC KEY-----\n" }, "followers": "https://www.leafyfield.au/.ghost/activitypub/followers/index", "following": "https://www.leafyfield.au/.ghost/activitypub/following/index", "icon": { "type": "Image", "url": "https://www.leafyfield.au/content/images/2025/04/LF-Ghost-icon.png" }, "liked": "https://www.leafyfield.au/.ghost/activitypub/liked/index", "name": "LeafyField", "outbox": "https://www.leafyfield.au/.ghost/activitypub/outbox/index", "preferredUsername": "colin", "summary": "Thoughts of a retired technical writer", "url": "https://www.leafyfield.au/" }