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://werd.io/.ghost/activitypub/users/index", "type": "Person", "inbox": "https://werd.io/.ghost/activitypub/inbox/index", "publicKey": { "id": "https://werd.io/.ghost/activitypub/users/index#main-key", "type": "CryptographicKey", "owner": "https://werd.io/.ghost/activitypub/users/index", "publicKeyPem": "-----BEGIN PUBLIC KEY-----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\naRfasbUpbTleJv/ZPgyFIUMCAwEAAQ==\n-----END PUBLIC KEY-----\n" }, "followers": "https://werd.io/.ghost/activitypub/followers/index", "following": "https://werd.io/.ghost/activitypub/following/index", "icon": { "type": "Image", "url": "https://werd.io/content/images/2025/06/thumb.webp" }, "liked": "https://werd.io/.ghost/activitypub/liked/index", "name": "Werd I/O", "outbox": "https://werd.io/.ghost/activitypub/outbox/index", "preferredUsername": "ben", "summary": "Writing at the intersection of technology, democracy, and society by Ben Werdmuller", "url": "https://werd.io/" }