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://mas.to/users/returntosender/statuses/114786824218478387", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-07-03T01:58:57Z", "url": "https://mas.to/@returntosender/114786824218478387", "attributedTo": "https://mas.to/users/returntosender", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mas.to/users/returntosender/followers" ], "sensitive": false, "atomUri": "https://mas.to/users/returntosender/statuses/114786824218478387", "inReplyToAtomUri": null, "conversation": "tag:mas.to,2025-07-03:objectId=514204118:objectType=Conversation", "content": "<p>the chair is broken <br /><a href=\"https://mas.to/tags/catsofmastodon\" class=\"mention hashtag\" rel=\"tag\">#<span>catsofmastodon</span></a> <a href=\"https://mas.to/tags/cats\" class=\"mention hashtag\" rel=\"tag\">#<span>cats</span></a> <a href=\"https://mas.to/tags/Humor\" class=\"mention hashtag\" rel=\"tag\">#<span>Humor</span></a></p>", "contentMap": { "en": "<p>the chair is broken <br /><a href=\"https://mas.to/tags/catsofmastodon\" class=\"mention hashtag\" rel=\"tag\">#<span>catsofmastodon</span></a> <a href=\"https://mas.to/tags/cats\" class=\"mention hashtag\" rel=\"tag\">#<span>cats</span></a> <a href=\"https://mas.to/tags/Humor\" class=\"mention hashtag\" rel=\"tag\">#<span>Humor</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://media.mas.to/media_attachments/files/114/786/806/256/007/410/original/449d66a655350170.jpg", "name": "Photo of an amish style chair at the kitchen table. Two of the chair spindles look broken off at the top. \nThere's a black cat who's sitting in the chair, obstructing the spindles. ", "blurhash": "UfJQyJxuWVoL4.WBayof~WbIf6R*nhs:WBfQ", "width": 1281, "height": 1281 } ], "tag": [ { "type": "Hashtag", "href": "https://mas.to/tags/humor", "name": "#humor" }, { "type": "Hashtag", "href": "https://mas.to/tags/cats", "name": "#cats" }, { "type": "Hashtag", "href": "https://mas.to/tags/catsofmastodon", "name": "#catsofmastodon" } ], "replies": { "id": "https://mas.to/users/returntosender/statuses/114786824218478387/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mas.to/users/returntosender/statuses/114786824218478387/replies?only_other_accounts=true&page=true", "partOf": "https://mas.to/users/returntosender/statuses/114786824218478387/replies", "items": [] } }, "likes": { "id": "https://mas.to/users/returntosender/statuses/114786824218478387/likes", "type": "Collection", "totalItems": 186 }, "shares": { "id": "https://mas.to/users/returntosender/statuses/114786824218478387/shares", "type": "Collection", "totalItems": 79 } }