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://johnwlittle.com/.ghost/activitypub/users/index", "type": "Person", "inbox": "https://johnwlittle.com/.ghost/activitypub/inbox/index", "publicKey": { "id": "https://johnwlittle.com/.ghost/activitypub/users/index#main-key", "type": "CryptographicKey", "owner": "https://johnwlittle.com/.ghost/activitypub/users/index", "publicKeyPem": "-----BEGIN PUBLIC KEY-----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\nkWfkTZumMK79R/QjoViYQIMCAwEAAQ==\n-----END PUBLIC KEY-----\n" }, "followers": "https://johnwlittle.com/.ghost/activitypub/followers/index", "following": "https://johnwlittle.com/.ghost/activitypub/following/index", "icon": { "type": "Image", "url": "https://johnwlittle.com/content/images/2025/03/meblog-1.jpg" }, "liked": "https://johnwlittle.com/.ghost/activitypub/liked/index", "name": "John W. Little", "outbox": "https://johnwlittle.com/.ghost/activitypub/outbox/index", "preferredUsername": "index", "summary": "AI, Intelligence, Tech & Culture ", "url": "https://johnwlittle.com/" }