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", "Device": "toot:Device", "Ed25519Signature": "toot:Ed25519Signature", "Ed25519Key": "toot:Ed25519Key", "Curve25519Key": "toot:Curve25519Key", "EncryptedMessage": "toot:EncryptedMessage", "publicKeyBase64": "toot:publicKeyBase64", "deviceId": "toot:deviceId", "claim": { "@type": "@id", "@id": "toot:claim" }, "fingerprintKey": { "@type": "@id", "@id": "toot:fingerprintKey" }, "identityKey": { "@type": "@id", "@id": "toot:identityKey" }, "devices": { "@type": "@id", "@id": "toot:devices" }, "messageFranking": "toot:messageFranking", "messageType": "toot:messageType", "cipherText": "toot:cipherText", "suspended": "toot:suspended", "Emoji": "toot:Emoji", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.sdf.org/users/syntaxerror", "type": "Person", "following": "https://mastodon.sdf.org/users/syntaxerror/following", "followers": "https://mastodon.sdf.org/users/syntaxerror/followers", "inbox": "https://mastodon.sdf.org/users/syntaxerror/inbox", "outbox": "https://mastodon.sdf.org/users/syntaxerror/outbox", "featured": "https://mastodon.sdf.org/users/syntaxerror/collections/featured", "featuredTags": "https://mastodon.sdf.org/users/syntaxerror/collections/tags", "preferredUsername": "syntaxerror", "name": "SyntaxError :sdf:", "summary": "<p>Maybe I don&#39;t know anything but I&#39;m willing to learn everything you know and put it into practice.</p><p>I&#39;m fascinated with *nix systems and the old skool way of doing things. I&#39;m eager to learn and I&#39;m excited to connect with others who share my passion for the early days of computing, the Unix way of doing things, programming and retro computing.</p><p>Member of SDF Public Access UNIX System</p><p><a href=\"https://mastodon.sdf.org/tags/Unix\" class=\"mention hashtag\" rel=\"tag\">#<span>Unix</span></a> <a href=\"https://mastodon.sdf.org/tags/sdf\" class=\"mention hashtag\" rel=\"tag\">#<span>sdf</span></a> <a href=\"https://mastodon.sdf.org/tags/UnixSystems\" class=\"mention hashtag\" rel=\"tag\">#<span>UnixSystems</span></a> <a href=\"https://mastodon.sdf.org/tags/UnixGeek\" class=\"mention hashtag\" rel=\"tag\">#<span>UnixGeek</span></a> <a href=\"https://mastodon.sdf.org/tags/BSD\" class=\"mention hashtag\" rel=\"tag\">#<span>BSD</span></a> <a href=\"https://mastodon.sdf.org/tags/asm\" class=\"mention hashtag\" rel=\"tag\">#<span>asm</span></a> <a href=\"https://mastodon.sdf.org/tags/cprogramming\" class=\"mention hashtag\" rel=\"tag\">#<span>cprogramming</span></a> <a href=\"https://mastodon.sdf.org/tags/ComputingHistory\" class=\"mention hashtag\" rel=\"tag\">#<span>ComputingHistory</span></a> <a href=\"https://mastodon.sdf.org/tags/RetroProgramming\" class=\"mention hashtag\" rel=\"tag\">#<span>RetroProgramming</span></a> <a href=\"https://mastodon.sdf.org/tags/RetroBytes\" class=\"mention hashtag\" rel=\"tag\">#<span>RetroBytes</span></a></p>", "url": "https://mastodon.sdf.org/@syntaxerror", "manuallyApprovesFollowers": true, "discoverable": true, "published": "2024-08-20T00:00:00Z", "devices": "https://mastodon.sdf.org/users/syntaxerror/collections/devices", "publicKey": { "id": "https://mastodon.sdf.org/users/syntaxerror#main-key", "owner": "https://mastodon.sdf.org/users/syntaxerror", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxP0HIIE0GKSSLKEEmbJs\nwVX+CRcVdU05Awmy+f4SnW6E5R50jta1bXhtGHXIdEtE4CF0hS40cvhpSbusnJof\nsbFZjOxdG3RuDV4sEyGERoVwJ4+JhrX3HsaNgf7PAScWiFl9KFMkMKru+jtoL6ao\no/xFr8Q1CFPLBMbIPLrsDQWAUiY3SBglMN0JHJ7w7qHaYPyxJCvNou5DaolrY6LL\n/lCtW8USMUJF7EcccwRwv6svrxlXK326W0TblYT2EVLy8F3aS9rw2u5B1F+ohjc0\n7h62Axw0wMg5XJAsn2oEoe4DrOuP/rmGUmCWA6cJqaEYBnqMd+Trheb4USBaLyYb\ncwIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "id": "https://mastodon.sdf.org/emojis/302683", "type": "Emoji", "name": ":sdf:", "updated": "2022-12-08T14:40:25Z", "icon": { "type": "Image", "mediaType": "image/png", "url": "https://mastodon.sdf.org/system/custom_emojis/images/000/302/683/original/5cad19a88a2925cd.png" } }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/unixsystems", "name": "#unixsystems" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/unixgeek", "name": "#unixgeek" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/bsd", "name": "#bsd" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/asm", "name": "#asm" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/cprogramming", "name": "#cprogramming" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/computinghistory", "name": "#computinghistory" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/retroprogramming", "name": "#retroprogramming" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/RetroBytes", "name": "#RetroBytes" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/unix", "name": "#unix" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/sdf", "name": "#sdf" } ], "attachment": [ { "type": "PropertyValue", "name": "gopher://", "value": "<a href=\"gopher://sdf.org/1/users/syntaxerror\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\"><span class=\"invisible\"></span><span class=\"ellipsis\">gopher://sdf.org/1/users/synta</span><span class=\"invisible\">xerror</span></a>" }, { "type": "PropertyValue", "name": "http://", "value": "<a href=\"http://syntaxerror.sdf.org/\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\"><span class=\"invisible\">http://</span><span class=\"\">syntaxerror.sdf.org/</span><span class=\"invisible\"></span></a>" } ], "endpoints": { "sharedInbox": "https://mastodon.sdf.org/inbox" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://mastodon.sdf.org/system/accounts/avatars/112/996/011/258/459/292/original/a78ec0a28275bcdf.png" }, "image": { "type": "Image", "mediaType": "image/png", "url": "https://mastodon.sdf.org/system/accounts/headers/112/996/011/258/459/292/original/5f9c3f30695e3be8.png" } }