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" }, "Hashtag": "as:Hashtag", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://mastodon.themetaldog.net/users/TheMetalDog", "type": "Person", "following": "https://mastodon.themetaldog.net/users/TheMetalDog/following", "followers": "https://mastodon.themetaldog.net/users/TheMetalDog/followers", "inbox": "https://mastodon.themetaldog.net/users/TheMetalDog/inbox", "outbox": "https://mastodon.themetaldog.net/users/TheMetalDog/outbox", "featured": "https://mastodon.themetaldog.net/users/TheMetalDog/collections/featured", "featuredTags": "https://mastodon.themetaldog.net/users/TheMetalDog/collections/tags", "preferredUsername": "TheMetalDog", "name": "🤘 The Metal Dog 🤘", "summary": "<p>Posting my <a href=\"https://mastodon.themetaldog.net/tags/NowPlaying\" class=\"mention hashtag\" rel=\"tag\">#<span>NowPlaying</span></a> and music-oriented articles helps create more tags. </p><p>If you happen to enjoy some of the same tags, right on, we have something in common. 🤘</p><p>Direct-follow the account for all the B.S. </p><p>Follow <a href=\"https://mastodon.themetaldog.net/tags/TheMetalDogIsNowPlaying\" class=\"mention hashtag\" rel=\"tag\">#<span>TheMetalDogIsNowPlaying</span></a> for everything I&#39;m listening to, across multiple genres. Fair Warning: It&#39;s not always metal.</p><p>Follow <a href=\"https://mastodon.themetaldog.net/tags/TheMetalDogArticleList\" class=\"mention hashtag\" rel=\"tag\">#<span>TheMetalDogArticleList</span></a> for misc articles.</p><p><a href=\"https://mastodon.themetaldog.net/tags/TheMetalDogAIArtList\" class=\"mention hashtag\" rel=\"tag\">#<span>TheMetalDogAIArtList</span></a> for AI Art </p><p>Otherwise, stick to the targeted band or genre hashtags.</p><p><a href=\"https://mastodon.themetaldog.net/tags/TheMetalDogToots\" class=\"mention hashtag\" rel=\"tag\">#<span>TheMetalDogToots</span></a></p>", "url": "https://mastodon.themetaldog.net/@TheMetalDog", "manuallyApprovesFollowers": false, "discoverable": false, "indexable": false, "published": "2025-04-26T00:00:00Z", "memorial": false, "publicKey": { "id": "https://mastodon.themetaldog.net/users/TheMetalDog#main-key", "owner": "https://mastodon.themetaldog.net/users/TheMetalDog", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0xX0GdKddCMe7bMaqSFM\nIZFu6BTMBNhxKlBEu2EuVkS2yeBPGDh/JLzmdaYFJzmqgQ9jgYwRLH8q2veex1K2\nhOKUIp7uIcVrYFaypJJfzCY3RDOCrn3JUqBdkaOQ8U+9WM3RzfRNPHJ6mUrEQCaO\nK3Yv2Mts57iFwc/srz9M3IGsrIz22UI+evMv/a3jKWTjNC21A0Pte98S0lrqvIyI\n7nsAhOa86e3NdjC61juA/tZ1n2l38Pm6EW+q2O44du5tF06cga/wchq+xsvCC0wS\nMnfdSfOxttmAdRryfm0GL2veWBlHAzbvFr2mkKam5eFk2BSkzyWif33PwxCZ2Pz+\ntwIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "type": "Hashtag", "href": "https://mastodon.themetaldog.net/tags/nowplaying", "name": "#nowplaying" }, { "type": "Hashtag", "href": "https://mastodon.themetaldog.net/tags/themetaldogisnowplaying", "name": "#themetaldogisnowplaying" }, { "type": "Hashtag", "href": "https://mastodon.themetaldog.net/tags/themetaldogarticlelist", "name": "#themetaldogarticlelist" }, { "type": "Hashtag", "href": "https://mastodon.themetaldog.net/tags/themetaldogaiartlist", "name": "#themetaldogaiartlist" }, { "type": "Hashtag", "href": "https://mastodon.themetaldog.net/tags/themetaldogtoots", "name": "#themetaldogtoots" } ], "attachment": [], "endpoints": { "sharedInbox": "https://mastodon.themetaldog.net/inbox" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://mastodon.themetaldog.net/system/accounts/avatars/114/405/465/516/625/870/original/2094538bcddd8157.png" }, "image": { "type": "Image", "mediaType": "image/gif", "url": "https://mastodon.themetaldog.net/system/accounts/headers/114/405/465/516/625/870/original/cc904feb35d9decc.gif" } }