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/114518629003016949", "type": "Note", "summary": null, "inReplyTo": "https://spacey.space/users/spaceflight/statuses/113964747317145923", "published": "2025-05-16T17:13:23Z", "url": "https://spacey.space/@spaceflight/114518629003016949", "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/114518629003016949", "inReplyToAtomUri": "https://spacey.space/users/spaceflight/statuses/113964747317145923", "conversation": "tag:spacey.space,2024-02-23:objectId=11754068:objectType=Conversation", "content": "<p>&quot;I feel it is unacceptable that we do not even fully understand our <a href=\"https://spacey.space/tags/SolarSystem\" class=\"mention hashtag\" rel=\"tag\">#<span>SolarSystem</span></a>, while 100 billion <a href=\"https://spacey.space/tags/planetary\" class=\"mention hashtag\" rel=\"tag\">#<span>planetary</span></a> systems are in our Milky Way 🌌 galaxy alone, and 100 billion such <a href=\"https://spacey.space/tags/galaxies\" class=\"mention hashtag\" rel=\"tag\">#<span>galaxies</span></a> in the <a href=\"https://spacey.space/tags/universe\" class=\"mention hashtag\" rel=\"tag\">#<span>universe</span></a>. Before we try to understand <a href=\"https://spacey.space/tags/stars\" class=\"mention hashtag\" rel=\"tag\">#<span>stars</span></a>, galaxies, or the universe, we must first come to understand our own home: the solar system.” <a href=\"https://www.astronomy.com/science/have-astronomers-found-planet-nine\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">astronomy.com/science/have-ast</span><span class=\"invisible\">ronomers-found-planet-nine</span></a></p><p><a href=\"https://spacey.space/tags/PlanetNine\" class=\"mention hashtag\" rel=\"tag\">#<span>PlanetNine</span></a> <a href=\"https://spacey.space/tags/Astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>Astronomy</span></a></p>", "contentMap": { "en": "<p>&quot;I feel it is unacceptable that we do not even fully understand our <a href=\"https://spacey.space/tags/SolarSystem\" class=\"mention hashtag\" rel=\"tag\">#<span>SolarSystem</span></a>, while 100 billion <a href=\"https://spacey.space/tags/planetary\" class=\"mention hashtag\" rel=\"tag\">#<span>planetary</span></a> systems are in our Milky Way 🌌 galaxy alone, and 100 billion such <a href=\"https://spacey.space/tags/galaxies\" class=\"mention hashtag\" rel=\"tag\">#<span>galaxies</span></a> in the <a href=\"https://spacey.space/tags/universe\" class=\"mention hashtag\" rel=\"tag\">#<span>universe</span></a>. Before we try to understand <a href=\"https://spacey.space/tags/stars\" class=\"mention hashtag\" rel=\"tag\">#<span>stars</span></a>, galaxies, or the universe, we must first come to understand our own home: the solar system.” <a href=\"https://www.astronomy.com/science/have-astronomers-found-planet-nine\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">astronomy.com/science/have-ast</span><span class=\"invisible\">ronomers-found-planet-nine</span></a></p><p><a href=\"https://spacey.space/tags/PlanetNine\" class=\"mention hashtag\" rel=\"tag\">#<span>PlanetNine</span></a> <a href=\"https://spacey.space/tags/Astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>Astronomy</span></a></p>" }, "updated": "2025-05-16T17:17:12Z", "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://spacey.space/tags/solarsystem", "name": "#solarsystem" }, { "type": "Hashtag", "href": "https://spacey.space/tags/planetary", "name": "#planetary" }, { "type": "Hashtag", "href": "https://spacey.space/tags/galaxies", "name": "#galaxies" }, { "type": "Hashtag", "href": "https://spacey.space/tags/universe", "name": "#universe" }, { "type": "Hashtag", "href": "https://spacey.space/tags/Stars", "name": "#Stars" }, { "type": "Hashtag", "href": "https://spacey.space/tags/planetnine", "name": "#planetnine" }, { "type": "Hashtag", "href": "https://spacey.space/tags/astronomy", "name": "#astronomy" } ], "replies": { "id": "https://spacey.space/users/spaceflight/statuses/114518629003016949/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://spacey.space/users/spaceflight/statuses/114518629003016949/replies?only_other_accounts=true&page=true", "partOf": "https://spacey.space/users/spaceflight/statuses/114518629003016949/replies", "items": [] } }, "likes": { "id": "https://spacey.space/users/spaceflight/statuses/114518629003016949/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://spacey.space/users/spaceflight/statuses/114518629003016949/shares", "type": "Collection", "totalItems": 1 } }