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", { "ostatus": "http://ostatus.org#", "atomUri": "ostatus:atomUri", "inReplyToAtomUri": "ostatus:inReplyToAtomUri", "conversation": "ostatus:conversation", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#", "votersCount": "toot:votersCount", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.social/users/lucas3d/statuses/113781975006726226", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.social/users/lucas3d/statuses/113765804643503841", "published": "2025-01-06T14:52:35Z", "url": "https://mastodon.social/@lucas3d/113781975006726226", "attributedTo": "https://mastodon.social/users/lucas3d", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/lucas3d/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/lucas3d/statuses/113781975006726226", "inReplyToAtomUri": "https://mastodon.social/users/lucas3d/statuses/113765804643503841", "conversation": "tag:mastodon.social,2025-01-02:objectId=885273935:objectType=Conversation", "content": "<p>I updated my <a href=\"https://mastodon.social/tags/Headscale\" class=\"mention hashtag\" rel=\"tag\">#<span>Headscale</span></a> and <a href=\"https://mastodon.social/tags/Tailscale\" class=\"mention hashtag\" rel=\"tag\">#<span>Tailscale</span></a> blog post with additional information about the Nginx Proxy Manager section (PiHole with wildcard DNS) and an improved ACL diagram that I believe is clearer and more accurate.</p><p>English: <a href=\"https://www.lucasjanin.com/2025/01/03/headscale-tailscale-in-a-self-hosted-environment\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">lucasjanin.com/2025/01/03/head</span><span class=\"invisible\">scale-tailscale-in-a-self-hosted-environment</span></a></p><p>Français: <a href=\"https://www.lucasjanin.com/2025/01/03/headscale-et-tailscale-dans-un-enviroment-auto-heberge\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">lucasjanin.com/2025/01/03/head</span><span class=\"invisible\">scale-et-tailscale-dans-un-enviroment-auto-heberge</span></a></p><p><a href=\"https://mastodon.social/tags/VPN\" class=\"mention hashtag\" rel=\"tag\">#<span>VPN</span></a> <a href=\"https://mastodon.social/tags/Headplane\" class=\"mention hashtag\" rel=\"tag\">#<span>Headplane</span></a> <a href=\"https://mastodon.social/tags/ACL\" class=\"mention hashtag\" rel=\"tag\">#<span>ACL</span></a> <a href=\"https://mastodon.social/tags/NginxProxyManager\" class=\"mention hashtag\" rel=\"tag\">#<span>NginxProxyManager</span></a> <a href=\"https://mastodon.social/tags/Synology\" class=\"mention hashtag\" rel=\"tag\">#<span>Synology</span></a> <a href=\"https://mastodon.social/tags/HomeAssistant\" class=\"mention hashtag\" rel=\"tag\">#<span>HomeAssistant</span></a> <a href=\"https://mastodon.social/tags/selfhosted\" class=\"mention hashtag\" rel=\"tag\">#<span>selfhosted</span></a> <a href=\"https://mastodon.social/tags/selfhosting\" class=\"mention hashtag\" rel=\"tag\">#<span>selfhosting</span></a> <a href=\"https://mastodon.social/tags/homelab\" class=\"mention hashtag\" rel=\"tag\">#<span>homelab</span></a></p>", "contentMap": { "en": "<p>I updated my <a href=\"https://mastodon.social/tags/Headscale\" class=\"mention hashtag\" rel=\"tag\">#<span>Headscale</span></a> and <a href=\"https://mastodon.social/tags/Tailscale\" class=\"mention hashtag\" rel=\"tag\">#<span>Tailscale</span></a> blog post with additional information about the Nginx Proxy Manager section (PiHole with wildcard DNS) and an improved ACL diagram that I believe is clearer and more accurate.</p><p>English: <a href=\"https://www.lucasjanin.com/2025/01/03/headscale-tailscale-in-a-self-hosted-environment\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">lucasjanin.com/2025/01/03/head</span><span class=\"invisible\">scale-tailscale-in-a-self-hosted-environment</span></a></p><p>Français: <a href=\"https://www.lucasjanin.com/2025/01/03/headscale-et-tailscale-dans-un-enviroment-auto-heberge\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">lucasjanin.com/2025/01/03/head</span><span class=\"invisible\">scale-et-tailscale-dans-un-enviroment-auto-heberge</span></a></p><p><a href=\"https://mastodon.social/tags/VPN\" class=\"mention hashtag\" rel=\"tag\">#<span>VPN</span></a> <a href=\"https://mastodon.social/tags/Headplane\" class=\"mention hashtag\" rel=\"tag\">#<span>Headplane</span></a> <a href=\"https://mastodon.social/tags/ACL\" class=\"mention hashtag\" rel=\"tag\">#<span>ACL</span></a> <a href=\"https://mastodon.social/tags/NginxProxyManager\" class=\"mention hashtag\" rel=\"tag\">#<span>NginxProxyManager</span></a> <a href=\"https://mastodon.social/tags/Synology\" class=\"mention hashtag\" rel=\"tag\">#<span>Synology</span></a> <a href=\"https://mastodon.social/tags/HomeAssistant\" class=\"mention hashtag\" rel=\"tag\">#<span>HomeAssistant</span></a> <a href=\"https://mastodon.social/tags/selfhosted\" class=\"mention hashtag\" rel=\"tag\">#<span>selfhosted</span></a> <a href=\"https://mastodon.social/tags/selfhosting\" class=\"mention hashtag\" rel=\"tag\">#<span>selfhosting</span></a> <a href=\"https://mastodon.social/tags/homelab\" class=\"mention hashtag\" rel=\"tag\">#<span>homelab</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/113/781/974/763/367/922/original/ebd5c47c89e00e79.png", "name": "My new Heascale ACL diagram", "blurhash": "UZL#?zRi?ItRW,nmoff#^-OXR%wcwIsAj]W;", "width": 2578, "height": 3216 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/headscale", "name": "#headscale" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/Tailscale", "name": "#Tailscale" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/vpn", "name": "#vpn" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/headplane", "name": "#headplane" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/acl", "name": "#acl" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/nginxproxymanager", "name": "#nginxproxymanager" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/synology", "name": "#synology" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/homeassistant", "name": "#homeassistant" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/selfhosted", "name": "#selfhosted" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/selfhosting", "name": "#selfhosting" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/homelab", "name": "#homelab" } ], "replies": { "id": "https://mastodon.social/users/lucas3d/statuses/113781975006726226/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/lucas3d/statuses/113781975006726226/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/lucas3d/statuses/113781975006726226/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/lucas3d/statuses/113781975006726226/likes", "type": "Collection", "totalItems": 13 }, "shares": { "id": "https://mastodon.social/users/lucas3d/statuses/113781975006726226/shares", "type": "Collection", "totalItems": 6 } }