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", "https://w3id.org/security/v1", { "ostatus": "http://ostatus.org#", "vcard": "http://www.w3.org/2006/vcard/ns#", "dfrn": "http://purl.org/macgirvin/dfrn/1.0/", "diaspora": "https://diasporafoundation.org/ns/", "litepub": "http://litepub.social/ns#", "toot": "http://joinmastodon.org/ns#", "featured": { "@id": "toot:featured", "@type": "@id" }, "schema": "http://schema.org#", "manuallyApprovesFollowers": "as:manuallyApprovesFollowers", "sensitive": "as:sensitive", "Hashtag": "as:Hashtag", "quoteUrl": "as:quoteUrl", "conversation": "ostatus:conversation", "directMessage": "litepub:directMessage", "discoverable": "toot:discoverable", "PropertyValue": "schema:PropertyValue", "value": "schema:value" } ], "id": "https://libranet.de/objects/0b6b25a8-cf075f24-03d2f79e5baf01ac", "type": "Note", "inReplyTo": null, "diaspora:guid": "0b6b25a8-cf075f24-03d2f79e5baf01ac", "published": "2025-04-25T18:00:00Z", "url": "https://libranet.de/display/0b6b25a8-cf075f24-03d2f79e5baf01ac", "attributedTo": "https://libranet.de/profile/atlas", "sensitive": false, "conversation": "https://libranet.de/objects/0b6b25a8-cf075f24-03d2f79e5baf01ac#context", "content": "<p>Carey's Castle in Hayfield, California</p><p>Hike to this 1940s miner's cabin built into a gap between two mega-sized boulders.<a href=\"https://libranet.de/search?tag=nationalparks\" class=\"mention hashtag\" rel=\"tag\">#<span>nationalparks</span></a> <a href=\"https://libranet.de/search?tag=hiking\" class=\"mention hashtag\" rel=\"tag\">#<span>hiking</span></a> <a href=\"https://libranet.de/search?tag=cabins\" class=\"mention hashtag\" rel=\"tag\">#<span>cabins</span></a> <a href=\"https://libranet.de/search?tag=hidden\" class=\"mention hashtag\" rel=\"tag\">#<span>hidden</span></a> <a href=\"https://libranet.de/search?tag=abandoned\" class=\"mention hashtag\" rel=\"tag\">#<span>abandoned</span></a> <a href=\"https://libranet.de/search?tag=section-Atlas\" class=\"mention hashtag\" rel=\"tag\">#<span>section-Atlas</span></a><br><a href=\"https://www.atlasobscura.com/places/careys-castle\" target=\"_blank\" rel=\"noopener noreferrer\">Carey's Castle</a></p>", "contentMap": { "en": "<p>Carey's Castle in Hayfield, California</p><p>Hike to this 1940s miner's cabin built into a gap between two mega-sized boulders.#<a href=\"https://libranet.de/search?tag=nationalparks\">nationalparks</a> #<a href=\"https://libranet.de/search?tag=hiking\">hiking</a> #<a href=\"https://libranet.de/search?tag=cabins\">cabins</a> #<a href=\"https://libranet.de/search?tag=hidden\">hidden</a> #<a href=\"https://libranet.de/search?tag=abandoned\">abandoned</a> #<a href=\"https://libranet.de/search?tag=section-Atlas\">section-Atlas</a><br><a href=\"https://www.atlasobscura.com/places/careys-castle\" target=\"_blank\" rel=\"noopener noreferrer\">Carey's Castle</a></p>" }, "source": { "content": "Carey's Castle in Hayfield, California\n\nHike to this 1940s miner's cabin built into a gap between two mega-sized boulders.#[url=https://libranet.de/search?tag=nationalparks]nationalparks[/url] #[url=https://libranet.de/search?tag=hiking]hiking[/url] #[url=https://libranet.de/search?tag=cabins]cabins[/url] #[url=https://libranet.de/search?tag=hidden]hidden[/url] #[url=https://libranet.de/search?tag=abandoned]abandoned[/url] #[url=https://libranet.de/search?tag=section-Atlas]section-Atlas[/url]\n[attachment type='link' url='https://www.atlasobscura.com/places/careys-castle' title='Carey&#039;s Castle' publisher_name='Atlas Obscura' publisher_url='https://www.atlasobscura.com' publisher_img='https://assets.atlasobscura.com/assets/atlas-obscura-600x60-ed42a393ab13f1f48a181388053a46d752e2d9457a23088d96e3dc5794358c50.png' author_name='Diana Hubbell' image='https://img.atlasobscura.com/_eiBXu-lrnA0u9LdB2ScGPTZixLVQM2HRuwkgY_1fB8/rs:fill:780:520:1/g:ce/q:81/sm:1/scp:1/ar:1/aHR0cHM6Ly9hdGxh/cy1kZXYuczMuYW1h/em9uYXdzLmNvbS91/cGxvYWRzL3BsYWNl/X2ltYWdlcy8zNjNm/YjE5NjdlZTYxNDVl/ODVfY2FyZXktcy1j/YXN0bGUgKDEpLmpw/Zw.jpg']Hike to this 1940s miner's cabin built into a gap between two mega-sized boulders.[/attachment]", "mediaType": "text/bbcode" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://libranet.de/search?tag=hiking", "name": "#hiking" }, { "type": "Hashtag", "href": "https://libranet.de/search?tag=abandoned", "name": "#abandoned" }, { "type": "Hashtag", "href": "https://libranet.de/search?tag=hidden", "name": "#hidden" }, { "type": "Hashtag", "href": "https://libranet.de/search?tag=NationalParks", "name": "#NationalParks" }, { "type": "Hashtag", "href": "https://libranet.de/search?tag=Cabins", "name": "#Cabins" }, { "type": "Hashtag", "href": "https://libranet.de/search?tag=section-Atlas", "name": "#section-Atlas" } ], "generator": { "type": "Application", "name": "Feed" }, "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://libranet.de/followers/atlas" ] }