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", "Hashtag": "as:Hashtag" } ], "id": "https://chaos.social/users/delta/statuses/114710708299242142", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-19T15:21:41Z", "url": "https://chaos.social/@delta/114710708299242142", "attributedTo": "https://chaos.social/users/delta", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://chaos.social/users/delta/followers" ], "sensitive": false, "atomUri": "https://chaos.social/users/delta/statuses/114710708299242142", "inReplyToAtomUri": null, "conversation": "tag:chaos.social,2025-06-19:objectId=280448397:objectType=Conversation", "content": "<p>We are basically doing what <a href=\"https://chaos.social/tags/signal\" class=\"mention hashtag\" rel=\"tag\">#<span>signal</span></a> and in particular moxie refused to do or declares impossible: federation. </p><p>Both <a href=\"https://chaos.social/tags/email\" class=\"mention hashtag\" rel=\"tag\">#<span>email</span></a> and <a href=\"https://chaos.social/tags/activitypub\" class=\"mention hashtag\" rel=\"tag\">#<span>activitypub</span></a> ecosystems are all about federation. </p><p>However, <a href=\"https://chaos.social/tags/deltachat\" class=\"mention hashtag\" rel=\"tag\">#<span>deltachat</span></a> is vertically centralized in that all UIs use the same <a href=\"https://chaos.social/tags/rust\" class=\"mention hashtag\" rel=\"tag\">#<span>rust</span></a> core which implements all networking, encryption, chat/group/message logic in a single centralized place. The now 40+ <a href=\"https://chaos.social/tags/chatmail\" class=\"mention hashtag\" rel=\"tag\">#<span>chatmail</span></a> mail relay network is driven from centralized code. </p><p>At each level replication and federation is built in.</p>", "contentMap": { "en": "<p>We are basically doing what <a href=\"https://chaos.social/tags/signal\" class=\"mention hashtag\" rel=\"tag\">#<span>signal</span></a> and in particular moxie refused to do or declares impossible: federation. </p><p>Both <a href=\"https://chaos.social/tags/email\" class=\"mention hashtag\" rel=\"tag\">#<span>email</span></a> and <a href=\"https://chaos.social/tags/activitypub\" class=\"mention hashtag\" rel=\"tag\">#<span>activitypub</span></a> ecosystems are all about federation. </p><p>However, <a href=\"https://chaos.social/tags/deltachat\" class=\"mention hashtag\" rel=\"tag\">#<span>deltachat</span></a> is vertically centralized in that all UIs use the same <a href=\"https://chaos.social/tags/rust\" class=\"mention hashtag\" rel=\"tag\">#<span>rust</span></a> core which implements all networking, encryption, chat/group/message logic in a single centralized place. The now 40+ <a href=\"https://chaos.social/tags/chatmail\" class=\"mention hashtag\" rel=\"tag\">#<span>chatmail</span></a> mail relay network is driven from centralized code. </p><p>At each level replication and federation is built in.</p>" }, "updated": "2025-06-19T19:15:34Z", "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://chaos.social/tags/signal", "name": "#signal" }, { "type": "Hashtag", "href": "https://chaos.social/tags/email", "name": "#email" }, { "type": "Hashtag", "href": "https://chaos.social/tags/activitypub", "name": "#activitypub" }, { "type": "Hashtag", "href": "https://chaos.social/tags/deltachat", "name": "#deltachat" }, { "type": "Hashtag", "href": "https://chaos.social/tags/rust", "name": "#rust" }, { "type": "Hashtag", "href": "https://chaos.social/tags/chatmail", "name": "#chatmail" } ], "replies": { "id": "https://chaos.social/users/delta/statuses/114710708299242142/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://chaos.social/users/delta/statuses/114710708299242142/replies?only_other_accounts=true&page=true", "partOf": "https://chaos.social/users/delta/statuses/114710708299242142/replies", "items": [] } }, "likes": { "id": "https://chaos.social/users/delta/statuses/114710708299242142/likes", "type": "Collection", "totalItems": 75 }, "shares": { "id": "https://chaos.social/users/delta/statuses/114710708299242142/shares", "type": "Collection", "totalItems": 47 } }