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.online/users/blueghost/statuses/114557396266864344", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.online/users/blueghost/statuses/114199415700246914", "published": "2025-05-23T13:32:25Z", "url": "https://mastodon.online/@blueghost/114557396266864344", "attributedTo": "https://mastodon.online/users/blueghost", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.online/users/blueghost/followers" ], "sensitive": false, "atomUri": "https://mastodon.online/users/blueghost/statuses/114557396266864344", "inReplyToAtomUri": "https://mastodon.online/users/blueghost/statuses/114199415700246914", "conversation": "tag:mastodon.online,2024-09-10:objectId=385135180:objectType=Conversation", "content": "<p>09.05.2025: GnuPG announces release of 2.5.6 for public testing, finalized PQC algorithms are supported.<br />Source: <a href=\"https://lists.gnupg.org/pipermail/gnupg-announce/2025q2/000492.html\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">lists.gnupg.org/pipermail/gnup</span><span class=\"invisible\">g-announce/2025q2/000492.html</span></a></p><p>PQC: <a href=\"https://wikipedia.org/wiki/Post-quantum_cryptography\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">wikipedia.org/wiki/Post-quantu</span><span class=\"invisible\">m_cryptography</span></a><br />GnuPG: <a href=\"https://mastodon.online/@blueghost/111974048270035570\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">mastodon.online/@blueghost/111</span><span class=\"invisible\">974048270035570</span></a><br />Harvest now, decrypt later: <a href=\"https://mastodon.online/@blueghost/111357939714657018\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">mastodon.online/@blueghost/111</span><span class=\"invisible\">357939714657018</span></a></p><p><a href=\"https://mastodon.online/tags/PQC\" class=\"mention hashtag\" rel=\"tag\">#<span>PQC</span></a> <a href=\"https://mastodon.online/tags/PostQuantum\" class=\"mention hashtag\" rel=\"tag\">#<span>PostQuantum</span></a> <a href=\"https://mastodon.online/tags/Cryptography\" class=\"mention hashtag\" rel=\"tag\">#<span>Cryptography</span></a> <a href=\"https://mastodon.online/tags/GnuPG\" class=\"mention hashtag\" rel=\"tag\">#<span>GnuPG</span></a> <a href=\"https://mastodon.online/tags/GPG\" class=\"mention hashtag\" rel=\"tag\">#<span>GPG</span></a> <a href=\"https://mastodon.online/tags/Encryption\" class=\"mention hashtag\" rel=\"tag\">#<span>Encryption</span></a> <a href=\"https://mastodon.online/tags/E2EE\" class=\"mention hashtag\" rel=\"tag\">#<span>E2EE</span></a> <a href=\"https://mastodon.online/tags/InfoSec\" class=\"mention hashtag\" rel=\"tag\">#<span>InfoSec</span></a> <a href=\"https://mastodon.online/tags/Security\" class=\"mention hashtag\" rel=\"tag\">#<span>Security</span></a> <a href=\"https://mastodon.online/tags/Privacy\" class=\"mention hashtag\" rel=\"tag\">#<span>Privacy</span></a> <a href=\"https://mastodon.online/tags/CyberSecurity\" class=\"mention hashtag\" rel=\"tag\">#<span>CyberSecurity</span></a> <a href=\"https://mastodon.online/tags/QuantumSafe\" class=\"mention hashtag\" rel=\"tag\">#<span>QuantumSafe</span></a></p>", "contentMap": { "en": "<p>09.05.2025: GnuPG announces release of 2.5.6 for public testing, finalized PQC algorithms are supported.<br />Source: <a href=\"https://lists.gnupg.org/pipermail/gnupg-announce/2025q2/000492.html\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">lists.gnupg.org/pipermail/gnup</span><span class=\"invisible\">g-announce/2025q2/000492.html</span></a></p><p>PQC: <a href=\"https://wikipedia.org/wiki/Post-quantum_cryptography\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">wikipedia.org/wiki/Post-quantu</span><span class=\"invisible\">m_cryptography</span></a><br />GnuPG: <a href=\"https://mastodon.online/@blueghost/111974048270035570\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">mastodon.online/@blueghost/111</span><span class=\"invisible\">974048270035570</span></a><br />Harvest now, decrypt later: <a href=\"https://mastodon.online/@blueghost/111357939714657018\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">mastodon.online/@blueghost/111</span><span class=\"invisible\">357939714657018</span></a></p><p><a href=\"https://mastodon.online/tags/PQC\" class=\"mention hashtag\" rel=\"tag\">#<span>PQC</span></a> <a href=\"https://mastodon.online/tags/PostQuantum\" class=\"mention hashtag\" rel=\"tag\">#<span>PostQuantum</span></a> <a href=\"https://mastodon.online/tags/Cryptography\" class=\"mention hashtag\" rel=\"tag\">#<span>Cryptography</span></a> <a href=\"https://mastodon.online/tags/GnuPG\" class=\"mention hashtag\" rel=\"tag\">#<span>GnuPG</span></a> <a href=\"https://mastodon.online/tags/GPG\" class=\"mention hashtag\" rel=\"tag\">#<span>GPG</span></a> <a href=\"https://mastodon.online/tags/Encryption\" class=\"mention hashtag\" rel=\"tag\">#<span>Encryption</span></a> <a href=\"https://mastodon.online/tags/E2EE\" class=\"mention hashtag\" rel=\"tag\">#<span>E2EE</span></a> <a href=\"https://mastodon.online/tags/InfoSec\" class=\"mention hashtag\" rel=\"tag\">#<span>InfoSec</span></a> <a href=\"https://mastodon.online/tags/Security\" class=\"mention hashtag\" rel=\"tag\">#<span>Security</span></a> <a href=\"https://mastodon.online/tags/Privacy\" class=\"mention hashtag\" rel=\"tag\">#<span>Privacy</span></a> <a href=\"https://mastodon.online/tags/CyberSecurity\" class=\"mention hashtag\" rel=\"tag\">#<span>CyberSecurity</span></a> <a href=\"https://mastodon.online/tags/QuantumSafe\" class=\"mention hashtag\" rel=\"tag\">#<span>QuantumSafe</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.online/media_attachments/files/114/557/393/352/888/667/original/7090ee3ca737a08b.png", "name": "Post-Quantum Cryptography UPDATE banner.", "blurhash": "UCJe_FsnVtsAnifQs:fQ#Sa|ozj[}FjtNGjZ", "focalPoint": [ 0, 0 ], "width": 569, "height": 191 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.online/tags/pqc", "name": "#pqc" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/postquantum", "name": "#postquantum" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/cryptography", "name": "#cryptography" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/gnupg", "name": "#gnupg" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/gpg", "name": "#gpg" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/encryption", "name": "#encryption" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/e2ee", "name": "#e2ee" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/infosec", "name": "#infosec" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/security", "name": "#security" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/privacy", "name": "#privacy" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/cybersecurity", "name": "#cybersecurity" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/quantumsafe", "name": "#quantumsafe" } ], "replies": { "id": "https://mastodon.online/users/blueghost/statuses/114557396266864344/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.online/users/blueghost/statuses/114557396266864344/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.online/users/blueghost/statuses/114557396266864344/replies", "items": [] } }, "likes": { "id": "https://mastodon.online/users/blueghost/statuses/114557396266864344/likes", "type": "Collection", "totalItems": 3 }, "shares": { "id": "https://mastodon.online/users/blueghost/statuses/114557396266864344/shares", "type": "Collection", "totalItems": 2 } }