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-belgium.be/users/begasus", "type": "Person", "following": "https://mastodon-belgium.be/users/begasus/following", "followers": "https://mastodon-belgium.be/users/begasus/followers", "inbox": "https://mastodon-belgium.be/users/begasus/inbox", "outbox": "https://mastodon-belgium.be/users/begasus/outbox", "featured": "https://mastodon-belgium.be/users/begasus/collections/featured", "featuredTags": "https://mastodon-belgium.be/users/begasus/collections/tags", "preferredUsername": "begasus", "name": "Begasus", "summary": "<p>Porting libraries/applications to our beloved OS <a href=\"https://mastodon-belgium.be/tags/HaikuOS\" class=\"mention hashtag\" rel=\"tag\">#<span>HaikuOS</span></a><br />Some information on my background: <a href=\"https://www.desktoponfire.com/interview/219/lets-interview-begasus/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">desktoponfire.com/interview/21</span><span class=\"invisible\">9/lets-interview-begasus/</span></a></p>", "url": "https://mastodon-belgium.be/@begasus", "manuallyApprovesFollowers": false, "discoverable": false, "indexable": false, "published": "2025-02-26T00:00:00Z", "memorial": false, "alsoKnownAs": [ "https://mastodon.social/users/begasus" ], "publicKey": { "id": "https://mastodon-belgium.be/users/begasus#main-key", "owner": "https://mastodon-belgium.be/users/begasus", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvyyYizXG0B7AyLt1/BUr\n5OXLFZ4t4m3AyZdZyX20BVFoxke49gWo179OQ3YkenysCLDRNWxhmAl96uV+cttG\n8TK0pQM8nO0HhJkeEkOTbm2wViX3/wwkyvfs1yiUxaOPGLg6rixALWtmbAvJsBbR\nqFY+T38l4BqfpS/DD+D9PEAwAbXPw4J8MieSKp4U33KBGL4Vt+asQnlBzLRr5aRy\njWQhHv6/MnF+Xs6OhMqYoemIqYt46khTsfZiBTkEMID2aowt4jHVJcpR11elhsax\n8q+9EzQV/AUt8icyEnoFUneJKE9+B4ki7SonowLAiGW1Eqgs1IfhWTKe0GZTv3JU\nfwIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "type": "Hashtag", "href": "https://mastodon-belgium.be/tags/haikuos", "name": "#haikuos" } ], "attachment": [ { "type": "PropertyValue", "name": "https://github.com/Begasus", "value": "My personal haikuports profile" }, { "type": "PropertyValue", "name": "#Haiku-OS", "value": "Operating system" }, { "type": "PropertyValue", "name": "https://invent.kde.org/begasus", "value": "My personal KDE profile" } ], "endpoints": { "sharedInbox": "https://mastodon-belgium.be/inbox" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://mastodon-belgium.be/system/accounts/avatars/114/068/924/735/978/020/original/3f8dd575b44e3130.png" }, "image": { "type": "Image", "mediaType": "image/png", "url": "https://mastodon-belgium.be/system/accounts/headers/114/068/924/735/978/020/original/af7412ad2c191aab.png" } }