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://failuremode.xyz/.ghost/activitypub/users/index", "type": "Person", "inbox": "https://failuremode.xyz/.ghost/activitypub/inbox/index", "publicKey": { "id": "https://failuremode.xyz/.ghost/activitypub/users/index#main-key", "type": "CryptographicKey", "owner": "https://failuremode.xyz/.ghost/activitypub/users/index", "publicKeyPem": "-----BEGIN PUBLIC KEY-----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\nD/5NICnZZjDtE4zzPxyM1rMCAwEAAQ==\n-----END PUBLIC KEY-----\n" }, "followers": "https://failuremode.xyz/.ghost/activitypub/followers/index", "following": "https://failuremode.xyz/.ghost/activitypub/following/index", "icon": { "type": "Image", "url": "https://failuremode.xyz/content/images/2025/03/f5b97c26-817b-4f9b-b2c4-c42c24d6dbcb_608x608-2.webp" }, "liked": "https://failuremode.xyz/.ghost/activitypub/liked/index", "name": "Failure Mode", "outbox": "https://failuremode.xyz/.ghost/activitypub/outbox/index", "preferredUsername": "index", "summary": "Why things aren't good anymore.", "url": "https://failuremode.xyz/" }