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", { "manuallyApprovesFollowers": "as:manuallyApprovesFollowers", "toot": "http://joinmastodon.org/ns#", "featured": { "@id": "toot:featured", "@type": "@id" }, "featuredTags": { "@id": "toot:featuredTags", "@type": "@id" }, "alsoKnownAs": { "@id": "as:alsoKnownAs", "@type": "@id" }, "movedTo": { "@id": "as:movedTo", "@type": "@id" }, "schema": "http://schema.org#", "PropertyValue": "schema:PropertyValue", "value": "schema:value", "discoverable": "toot:discoverable", "suspended": "toot:suspended", "memorial": "toot:memorial", "indexable": "toot:indexable", "attributionDomains": { "@id": "toot:attributionDomains", "@type": "@id" }, "Emoji": "toot:Emoji", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://masto.hackers.town/users/ac0rn", "type": "Person", "following": "https://masto.hackers.town/users/ac0rn/following", "followers": "https://masto.hackers.town/users/ac0rn/followers", "inbox": "https://masto.hackers.town/users/ac0rn/inbox", "outbox": "https://masto.hackers.town/users/ac0rn/outbox", "featured": "https://masto.hackers.town/users/ac0rn/collections/featured", "featuredTags": "https://masto.hackers.town/users/ac0rn/collections/tags", "preferredUsername": "ac0rn", "name": "Erin", "summary": "<p>🏳️‍⚧️ :nonbinary:</p><p>Verified bad influence<br />Weird nerd</p><p>Quietly overwriting your state with evil<br />I boop computers<br />Possibly Trinity<br />Soft domme, but for cybersecurity</p><p>No guarantees what I post is SFW (in more than one way). But I&#39;ll make sure anything NSFW is CW&#39;d accordingly.</p><p>perfectly fine to boost things I post whether they are deep thoughts or selfies.</p>", "url": "https://masto.hackers.town/@ac0rn", "manuallyApprovesFollowers": false, "discoverable": false, "indexable": false, "published": "2025-04-14T00:00:00Z", "memorial": false, "alsoKnownAs": [ "https://hackers.town/users/ac0rn" ], "publicKey": { "id": "https://masto.hackers.town/users/ac0rn#main-key", "owner": "https://masto.hackers.town/users/ac0rn", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuy2QDSrVp2a43Ez84S2E\n/n6DJqUyMGZ9dezVy105vzM5+t891tOfl55yjcZiYcK1HlECWYJtq/fkvTYU+nXz\n8rBT8OKvc0yn3sl1Kf/DmO1CMuWNLWR9MmkpS8lzJ4MopoRNbsyIeVbGtz0FIVVU\n3Q6Hbr8lBruxXENSeErB00x5Gytg13EC+dKJFMEGOaYazXt3U1sQJ1PiOr0MEICu\nd6KKa8avY1yCZzS8/tSMnUQ5Zd2nQux4e3voYiyV+m3+A1xNEBA/gRKDt8waAsuj\nU/QWEA3NkrZQ0BJs12lY+TGIFkffWASBRiZ2EOX6eZcAAsFWSroxvfgSnHZN+QVv\nLwIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "id": "https://masto.hackers.town/emojis/8876", "type": "Emoji", "name": ":nonbinary:", "updated": "2025-04-13T03:39:09Z", "icon": { "type": "Image", "mediaType": "image/png", "url": "https://cdn.masto.host/mastohackerstown/custom_emojis/images/000/008/876/original/7c26cbcf23ac0c91.png" } } ], "attachment": [ { "type": "PropertyValue", "name": "pronouns", "value": "she/her/they" }, { "type": "PropertyValue", "name": "website", "value": "<a href=\"https://onionshark.com/\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">onionshark.com/</span><span class=\"invisible\"></span></a>" } ], "endpoints": { "sharedInbox": "https://masto.hackers.town/inbox" }, "icon": { "type": "Image", "mediaType": "image/jpeg", "url": "https://cdn.masto.host/mastohackerstown/accounts/avatars/114/336/963/735/890/677/original/99ddbb0698dd010c.jpg" }, "image": { "type": "Image", "mediaType": "image/jpeg", "url": "https://cdn.masto.host/mastohackerstown/accounts/headers/114/336/963/735/890/677/original/6f5132580d71a74d.jpg" } }