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.kryobot.io/.ghost/activitypub/users/index", "type": "Person", "inbox": "https://www.kryobot.io/.ghost/activitypub/inbox/index", "publicKey": { "id": "https://www.kryobot.io/.ghost/activitypub/users/index#main-key", "type": "CryptographicKey", "owner": "https://www.kryobot.io/.ghost/activitypub/users/index", "publicKeyPem": "-----BEGIN PUBLIC KEY-----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\nA5SSnDdN7TnjB5L6VhTvHeUCAwEAAQ==\n-----END PUBLIC KEY-----\n" }, "followers": "https://www.kryobot.io/.ghost/activitypub/followers/index", "following": "https://www.kryobot.io/.ghost/activitypub/following/index", "icon": { "type": "Image", "url": "https://www.kryobot.io/content/images/2025/03/kryobot.jpg" }, "liked": "https://www.kryobot.io/.ghost/activitypub/liked/index", "name": "kryobot", "outbox": "https://www.kryobot.io/.ghost/activitypub/outbox/index", "preferredUsername": "social", "summary": "Emanuel Schwarz on Product Design, Video Games, and Life.", "url": "https://www.kryobot.io/" }