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://spacey.space/users/spaceflight/statuses/114358444987368384", "type": "Note", "summary": null, "inReplyTo": "https://spacey.space/users/spaceflight/statuses/114318374560110521", "published": "2025-04-18T10:16:29Z", "url": "https://spacey.space/@spaceflight/114358444987368384", "attributedTo": "https://spacey.space/users/spaceflight", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://spacey.space/users/spaceflight/followers" ], "sensitive": false, "atomUri": "https://spacey.space/users/spaceflight/statuses/114358444987368384", "inReplyToAtomUri": "https://spacey.space/users/spaceflight/statuses/114318374560110521", "conversation": "tag:spacey.space,2024-06-12:objectId=15403694:objectType=Conversation", "content": "<p><a href=\"https://spacey.space/tags/Starship\" class=\"mention hashtag\" rel=\"tag\">#<span>Starship</span></a> would take between a mere 80 and 150 days to reach <a href=\"https://spacey.space/tags/Mars\" class=\"mention hashtag\" rel=\"tag\">#<span>Mars</span></a> 🔴, depending on the launch window. </p><p>A shorter transfer time comes at the cost of higher fuel ⛽ requirements and less payload mass. Not only is it more difficult to reach the required delta-V, it’s also more difficult to stop. The spacecraft will need to brake harder to match velocities with Mars upon arrival <a href=\"https://www.marssociety.ca/2021/01/22/rocket-physics-how-to-go-to-mars\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">marssociety.ca/2021/01/22/rock</span><span class=\"invisible\">et-physics-how-to-go-to-mars</span></a></p>", "contentMap": { "en": "<p><a href=\"https://spacey.space/tags/Starship\" class=\"mention hashtag\" rel=\"tag\">#<span>Starship</span></a> would take between a mere 80 and 150 days to reach <a href=\"https://spacey.space/tags/Mars\" class=\"mention hashtag\" rel=\"tag\">#<span>Mars</span></a> 🔴, depending on the launch window. </p><p>A shorter transfer time comes at the cost of higher fuel ⛽ requirements and less payload mass. Not only is it more difficult to reach the required delta-V, it’s also more difficult to stop. The spacecraft will need to brake harder to match velocities with Mars upon arrival <a href=\"https://www.marssociety.ca/2021/01/22/rocket-physics-how-to-go-to-mars\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">marssociety.ca/2021/01/22/rock</span><span class=\"invisible\">et-physics-how-to-go-to-mars</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://spacey.space/tags/starship", "name": "#starship" }, { "type": "Hashtag", "href": "https://spacey.space/tags/mars", "name": "#mars" } ], "replies": { "id": "https://spacey.space/users/spaceflight/statuses/114358444987368384/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://spacey.space/users/spaceflight/statuses/114358444987368384/replies?min_id=114358711530691146&page=true", "partOf": "https://spacey.space/users/spaceflight/statuses/114358444987368384/replies", "items": [ "https://spacey.space/users/spaceflight/statuses/114358711530691146" ] } }, "likes": { "id": "https://spacey.space/users/spaceflight/statuses/114358444987368384/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://spacey.space/users/spaceflight/statuses/114358444987368384/shares", "type": "Collection", "totalItems": 1 } }