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_climate_crisis/statuses/114651475592715173", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-09T04:18:01Z", "url": "https://halo.nu/@theguardian_climate_crisis/114651475592715173", "attributedTo": "https://halo.nu/users/theguardian_climate_crisis", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://halo.nu/users/theguardian_climate_crisis/followers" ], "sensitive": false, "atomUri": "https://halo.nu/users/theguardian_climate_crisis/statuses/114651475592715173", "inReplyToAtomUri": null, "conversation": "tag:halo.nu,2025-06-09:objectId=426554:objectType=Conversation", "content": "<p>The scientists warning the world about ocean acidification – ‘evil twin’ of the climate crisis <a href=\"https://www.theguardian.com/environment/2025/jun/09/the-scientists-warning-the-world-about-ocean-acidification-evil-twin-of-the-climate-crisis\" 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/09/the-scientists-warning-the-world-about-ocean-acidification-evil-twin-of-the-climate-crisis</span></a> <a href=\"https://halo.nu/tags/Greenhousegasemissions\" class=\"mention hashtag\" rel=\"tag\">#<span>Greenhousegasemissions</span></a> <a href=\"https://halo.nu/tags/Endangeredhabitats\" class=\"mention hashtag\" rel=\"tag\">#<span>Endangeredhabitats</span></a> <a href=\"https://halo.nu/tags/Climatecrisis\" class=\"mention hashtag\" rel=\"tag\">#<span>Climatecrisis</span></a> <a href=\"https://halo.nu/tags/Conservation\" class=\"mention hashtag\" rel=\"tag\">#<span>Conservation</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/Worldnews\" class=\"mention hashtag\" rel=\"tag\">#<span>Worldnews</span></a> <a href=\"https://halo.nu/tags/Oceans\" class=\"mention hashtag\" rel=\"tag\">#<span>Oceans</span></a></p>", "contentMap": { "en": "<p>The scientists warning the world about ocean acidification – ‘evil twin’ of the climate crisis <a href=\"https://www.theguardian.com/environment/2025/jun/09/the-scientists-warning-the-world-about-ocean-acidification-evil-twin-of-the-climate-crisis\" 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/09/the-scientists-warning-the-world-about-ocean-acidification-evil-twin-of-the-climate-crisis</span></a> <a href=\"https://halo.nu/tags/Greenhousegasemissions\" class=\"mention hashtag\" rel=\"tag\">#<span>Greenhousegasemissions</span></a> <a href=\"https://halo.nu/tags/Endangeredhabitats\" class=\"mention hashtag\" rel=\"tag\">#<span>Endangeredhabitats</span></a> <a href=\"https://halo.nu/tags/Climatecrisis\" class=\"mention hashtag\" rel=\"tag\">#<span>Climatecrisis</span></a> <a href=\"https://halo.nu/tags/Conservation\" class=\"mention hashtag\" rel=\"tag\">#<span>Conservation</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/Worldnews\" class=\"mention hashtag\" rel=\"tag\">#<span>Worldnews</span></a> <a href=\"https://halo.nu/tags/Oceans\" class=\"mention hashtag\" rel=\"tag\">#<span>Oceans</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://halo.nu/tags/greenhousegasemissions", "name": "#greenhousegasemissions" }, { "type": "Hashtag", "href": "https://halo.nu/tags/endangeredhabitats", "name": "#endangeredhabitats" }, { "type": "Hashtag", "href": "https://halo.nu/tags/climatecrisis", "name": "#climatecrisis" }, { "type": "Hashtag", "href": "https://halo.nu/tags/conservation", "name": "#conservation" }, { "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/worldnews", "name": "#worldnews" }, { "type": "Hashtag", "href": "https://halo.nu/tags/oceans", "name": "#oceans" } ], "replies": { "id": "https://halo.nu/users/theguardian_climate_crisis/statuses/114651475592715173/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://halo.nu/users/theguardian_climate_crisis/statuses/114651475592715173/replies?only_other_accounts=true&page=true", "partOf": "https://halo.nu/users/theguardian_climate_crisis/statuses/114651475592715173/replies", "items": [] } } }