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/ocramius/statuses/114511955936168377", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.social/users/ocramius/statuses/114511889020625245", "published": "2025-05-15T12:56:20Z", "url": "https://mastodon.social/@ocramius/114511955936168377", "attributedTo": "https://mastodon.social/users/ocramius", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/ocramius/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/ocramius/statuses/114511955936168377", "inReplyToAtomUri": "https://mastodon.social/users/ocramius/statuses/114511889020625245", "conversation": "tag:mastodon.social,2025-05-15:objectId=997503456:objectType=Conversation", "content": "<p>Here&#39;s the API to literally &quot;hook&quot; into any function/interface execution through the <a href=\"https://mastodon.social/tags/OpenTelemetry\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenTelemetry</span></a> <a href=\"https://mastodon.social/tags/PHP\" class=\"mention hashtag\" rel=\"tag\">#<span>PHP</span></a> extension: <a href=\"https://mastodon.social/tags/phpday\" class=\"mention hashtag\" rel=\"tag\">#<span>phpday</span></a></p>", "contentMap": { "en": "<p>Here&#39;s the API to literally &quot;hook&quot; into any function/interface execution through the <a href=\"https://mastodon.social/tags/OpenTelemetry\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenTelemetry</span></a> <a href=\"https://mastodon.social/tags/PHP\" class=\"mention hashtag\" rel=\"tag\">#<span>PHP</span></a> extension: <a href=\"https://mastodon.social/tags/phpday\" class=\"mention hashtag\" rel=\"tag\">#<span>phpday</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/media_attachments/files/114/511/950/233/037/989/original/9cb918d2e55d515e.jpg", "name": "Conference slide: shows a `hook()` method of the OpenTelemetry extension, used to inject code before/after any function or method", "blurhash": "UPH2Zo?aQ+%MR*M{IoMxQ*of.8xt%ga}V]W?", "width": 3325, "height": 2494 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/opentelemetry", "name": "#opentelemetry" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/php", "name": "#php" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/phpday", "name": "#phpday" } ], "replies": { "id": "https://mastodon.social/users/ocramius/statuses/114511955936168377/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/ocramius/statuses/114511955936168377/replies?min_id=114512086853621085&page=true", "partOf": "https://mastodon.social/users/ocramius/statuses/114511955936168377/replies", "items": [ "https://mastodon.social/users/ocramius/statuses/114512086853621085" ] } }, "likes": { "id": "https://mastodon.social/users/ocramius/statuses/114511955936168377/likes", "type": "Collection", "totalItems": 5 }, "shares": { "id": "https://mastodon.social/users/ocramius/statuses/114511955936168377/shares", "type": "Collection", "totalItems": 1 } }