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://ryanfeigenbaum.com/.ghost/activitypub/users/index", "type": "Person", "inbox": "https://ryanfeigenbaum.com/.ghost/activitypub/inbox/index", "publicKey": { "id": "https://ryanfeigenbaum.com/.ghost/activitypub/users/index#main-key", "type": "CryptographicKey", "owner": "https://ryanfeigenbaum.com/.ghost/activitypub/users/index", "publicKeyPem": "-----BEGIN PUBLIC KEY-----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\nuKyBdrf8E3Q+NzlH62dxRfUCAwEAAQ==\n-----END PUBLIC KEY-----\n" }, "followers": "https://ryanfeigenbaum.com/.ghost/activitypub/followers/index", "following": "https://ryanfeigenbaum.com/.ghost/activitypub/following/index", "icon": { "type": "Image", "url": "https://ryanfeigenbaum.com/content/images/2025/03/logo.png" }, "liked": "https://ryanfeigenbaum.com/.ghost/activitypub/liked/index", "name": "Ryan Feigenbaum", "outbox": "https://ryanfeigenbaum.com/.ghost/activitypub/outbox/index", "preferredUsername": "index", "summary": "Developer Advocate at GrowthBook, I make it easier to A/B test your ideas. Let's build something weird and wonderful.", "url": "https://ryanfeigenbaum.com/" }