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" }, "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://mastodon.acm.org/users/CoolSWEng", "type": "Person", "following": "https://mastodon.acm.org/users/CoolSWEng/following", "followers": "https://mastodon.acm.org/users/CoolSWEng/followers", "inbox": "https://mastodon.acm.org/users/CoolSWEng/inbox", "outbox": "https://mastodon.acm.org/users/CoolSWEng/outbox", "featured": "https://mastodon.acm.org/users/CoolSWEng/collections/featured", "featuredTags": "https://mastodon.acm.org/users/CoolSWEng/collections/tags", "preferredUsername": "CoolSWEng", "name": "Diomidis Spinellis", "summary": "<p>Professor of software engineering, programmer, technology author. (Tech tweets here. Follow <span class=\"h-card\" translate=\"no\"><a href=\"https://mstdn.social/@DSpinellis\" class=\"u-url mention\">@<span>DSpinellis</span></a></span> for Greek/Greece tweets.)</p>", "url": "https://mastodon.acm.org/@CoolSWEng", "manuallyApprovesFollowers": false, "discoverable": true, "indexable": false, "published": "2023-02-07T00:00:00Z", "memorial": false, "alsoKnownAs": [ "https://fosstodon.org/users/CoolSWEng" ], "publicKey": { "id": "https://mastodon.acm.org/users/CoolSWEng#main-key", "owner": "https://mastodon.acm.org/users/CoolSWEng", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAobQFi08HLHHf5Wt3PorA\nyyKU3PYcK1yW7AkbzMfmC3tZYZYRnHoULQ8taiZh4D7RPUNRXSbeuuLbRvuJkV8Y\nz6J5jzWpUzJAlGai3QtWstNyp9qd76BS9OyXQEyQv4dt/NhWtkKR+LEkm15GncdU\nHao6MigLdqbWI9mrBvW/imvBGR1UK+0hf4SvsUM6bhkW18IBz4H2jKzK14rPxxjG\nLcbUKpyD8EC5HDWzphRGRr19tC4R2+D2GU0vwGzrmV7YCFalqtPT1iPvwZRruqzk\nIaURx4wB3f/VMxw7P4YHFJZozg4m88f9yb46R4HE8GPb/ZQKuXTBisBsNtX/Khx3\nyQIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [], "attachment": [ { "type": "PropertyValue", "name": "Home page", "value": "<a href=\"https://www.spinellis.gr/index.en.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">spinellis.gr/index.en.html</span><span class=\"invisible\"></span></a>" }, { "type": "PropertyValue", "name": "GitHub", "value": "<a href=\"https://github.com/dspinellis/\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">github.com/dspinellis/</span><span class=\"invisible\"></span></a>" } ], "endpoints": { "sharedInbox": "https://mastodon.acm.org/inbox" }, "icon": { "type": "Image", "mediaType": "image/jpeg", "url": "https://mastodon.acm.org/system/accounts/avatars/109/825/032/655/979/389/original/ffd38d98bd48bea5.jpg" } }