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://halo.nu/users/theguardian_science/statuses/114745399154388434", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-25T18:24:01Z", "url": "https://halo.nu/@theguardian_science/114745399154388434", "attributedTo": "https://halo.nu/users/theguardian_science", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://halo.nu/users/theguardian_science/followers" ], "sensitive": false, "atomUri": "https://halo.nu/users/theguardian_science/statuses/114745399154388434", "inReplyToAtomUri": null, "conversation": "tag:halo.nu,2025-06-25:objectId=444580:objectType=Conversation", "content": "<p>Overfishing has caused cod to halve in body size since 1990s, study finds <a href=\"https://www.theguardian.com/environment/2025/jun/25/cod-shrinking-size-overfishing-study\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">theguardian.com/environment/20</span><span class=\"invisible\">25/jun/25/cod-shrinking-size-overfishing-study</span></a> <a href=\"https://halo.nu/tags/Fishingindustry\" class=\"mention hashtag\" rel=\"tag\">#<span>Fishingindustry</span></a> <a href=\"https://halo.nu/tags/Environment\" class=\"mention hashtag\" rel=\"tag\">#<span>Environment</span></a> <a href=\"https://halo.nu/tags/Marinelife\" class=\"mention hashtag\" rel=\"tag\">#<span>Marinelife</span></a> <a href=\"https://halo.nu/tags/Evolution\" class=\"mention hashtag\" rel=\"tag\">#<span>Evolution</span></a> <a href=\"https://halo.nu/tags/Fishing\" class=\"mention hashtag\" rel=\"tag\">#<span>Fishing</span></a> <a href=\"https://halo.nu/tags/Science\" class=\"mention hashtag\" rel=\"tag\">#<span>Science</span></a> <a href=\"https://halo.nu/tags/Fish\" class=\"mention hashtag\" rel=\"tag\">#<span>Fish</span></a></p>", "contentMap": { "en": "<p>Overfishing has caused cod to halve in body size since 1990s, study finds <a href=\"https://www.theguardian.com/environment/2025/jun/25/cod-shrinking-size-overfishing-study\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">theguardian.com/environment/20</span><span class=\"invisible\">25/jun/25/cod-shrinking-size-overfishing-study</span></a> <a href=\"https://halo.nu/tags/Fishingindustry\" class=\"mention hashtag\" rel=\"tag\">#<span>Fishingindustry</span></a> <a href=\"https://halo.nu/tags/Environment\" class=\"mention hashtag\" rel=\"tag\">#<span>Environment</span></a> <a href=\"https://halo.nu/tags/Marinelife\" class=\"mention hashtag\" rel=\"tag\">#<span>Marinelife</span></a> <a href=\"https://halo.nu/tags/Evolution\" class=\"mention hashtag\" rel=\"tag\">#<span>Evolution</span></a> <a href=\"https://halo.nu/tags/Fishing\" class=\"mention hashtag\" rel=\"tag\">#<span>Fishing</span></a> <a href=\"https://halo.nu/tags/Science\" class=\"mention hashtag\" rel=\"tag\">#<span>Science</span></a> <a href=\"https://halo.nu/tags/Fish\" class=\"mention hashtag\" rel=\"tag\">#<span>Fish</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://halo.nu/tags/fishingindustry", "name": "#fishingindustry" }, { "type": "Hashtag", "href": "https://halo.nu/tags/environment", "name": "#environment" }, { "type": "Hashtag", "href": "https://halo.nu/tags/marinelife", "name": "#marinelife" }, { "type": "Hashtag", "href": "https://halo.nu/tags/evolution", "name": "#evolution" }, { "type": "Hashtag", "href": "https://halo.nu/tags/fishing", "name": "#fishing" }, { "type": "Hashtag", "href": "https://halo.nu/tags/science", "name": "#science" }, { "type": "Hashtag", "href": "https://halo.nu/tags/fish", "name": "#fish" } ], "replies": { "id": "https://halo.nu/users/theguardian_science/statuses/114745399154388434/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://halo.nu/users/theguardian_science/statuses/114745399154388434/replies?only_other_accounts=true&page=true", "partOf": "https://halo.nu/users/theguardian_science/statuses/114745399154388434/replies", "items": [] } } }