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/myfear/statuses/114533019970030103", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-19T06:13:12Z", "url": "https://mastodon.online/@myfear/114533019970030103", "attributedTo": "https://mastodon.online/users/myfear", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.online/users/myfear/followers" ], "sensitive": false, "atomUri": "https://mastodon.online/users/myfear/statuses/114533019970030103", "inReplyToAtomUri": null, "conversation": "tag:mastodon.online,2025-05-19:objectId=509826690:objectType=Conversation", "content": "<p>Containerize This! A Hands-On Guide to Quarkus with Buildpacks<br />Learn how to containerize your Java applications the modern way, using Quarkus and CNCF Buildpacks for faster builds, smaller images <br /><a href=\"https://myfear.substack.com/p/quarkus-cloud-native-buildpacks-java-container\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">myfear.substack.com/p/quarkus-</span><span class=\"invisible\">cloud-native-buildpacks-java-container</span></a><br /><a href=\"https://mastodon.online/tags/Java\" class=\"mention hashtag\" rel=\"tag\">#<span>Java</span></a> <a href=\"https://mastodon.online/tags/Quarkus\" class=\"mention hashtag\" rel=\"tag\">#<span>Quarkus</span></a> <a href=\"https://mastodon.online/tags/CNCF\" class=\"mention hashtag\" rel=\"tag\">#<span>CNCF</span></a> <a href=\"https://mastodon.online/tags/Buildpacks\" class=\"mention hashtag\" rel=\"tag\">#<span>Buildpacks</span></a> <a href=\"https://mastodon.online/tags/Container\" class=\"mention hashtag\" rel=\"tag\">#<span>Container</span></a></p>", "contentMap": { "en": "<p>Containerize This! A Hands-On Guide to Quarkus with Buildpacks<br />Learn how to containerize your Java applications the modern way, using Quarkus and CNCF Buildpacks for faster builds, smaller images <br /><a href=\"https://myfear.substack.com/p/quarkus-cloud-native-buildpacks-java-container\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">myfear.substack.com/p/quarkus-</span><span class=\"invisible\">cloud-native-buildpacks-java-container</span></a><br /><a href=\"https://mastodon.online/tags/Java\" class=\"mention hashtag\" rel=\"tag\">#<span>Java</span></a> <a href=\"https://mastodon.online/tags/Quarkus\" class=\"mention hashtag\" rel=\"tag\">#<span>Quarkus</span></a> <a href=\"https://mastodon.online/tags/CNCF\" class=\"mention hashtag\" rel=\"tag\">#<span>CNCF</span></a> <a href=\"https://mastodon.online/tags/Buildpacks\" class=\"mention hashtag\" rel=\"tag\">#<span>Buildpacks</span></a> <a href=\"https://mastodon.online/tags/Container\" class=\"mention hashtag\" rel=\"tag\">#<span>Container</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.online/media_attachments/files/114/533/019/832/767/118/original/1b901267343b628d.jpeg", "name": null, "blurhash": "UG8g2QAuRj=GW=son%SN1h,osTAawyOES4wb", "width": 1536, "height": 1024 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.online/tags/Java", "name": "#Java" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/Quarkus", "name": "#Quarkus" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/cncf", "name": "#cncf" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/Buildpacks", "name": "#Buildpacks" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/container", "name": "#container" } ], "replies": { "id": "https://mastodon.online/users/myfear/statuses/114533019970030103/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.online/users/myfear/statuses/114533019970030103/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.online/users/myfear/statuses/114533019970030103/replies", "items": [] } }, "likes": { "id": "https://mastodon.online/users/myfear/statuses/114533019970030103/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.online/users/myfear/statuses/114533019970030103/shares", "type": "Collection", "totalItems": 1 } }