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.commonsdb.org/.ghost/activitypub/users/index", "type": "Person", "inbox": "https://www.commonsdb.org/.ghost/activitypub/inbox/index", "publicKey": { "id": "https://www.commonsdb.org/.ghost/activitypub/users/index#main-key", "type": "CryptographicKey", "owner": "https://www.commonsdb.org/.ghost/activitypub/users/index", "publicKeyPem": "-----BEGIN PUBLIC KEY-----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\nuj9WYoWlLg5IdD3tV4LxfRUCAwEAAQ==\n-----END PUBLIC KEY-----\n" }, "followers": "https://www.commonsdb.org/.ghost/activitypub/followers/index", "following": "https://www.commonsdb.org/.ghost/activitypub/following/index", "icon": { "type": "Image", "url": "https://www.commonsdb.org/content/images/2025/03/cdb.png" }, "liked": "https://www.commonsdb.org/.ghost/activitypub/liked/index", "name": "CommonsDB", "outbox": "https://www.commonsdb.org/.ghost/activitypub/outbox/index", "preferredUsername": "index", "summary": "We're building a public registry for Public Domain and openly licensed works", "url": "https://www.commonsdb.org/" }