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.

Open in browser →
{ "@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://masto.ai/users/architecture/statuses/114606815683201051", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-01T07:00:25Z", "url": "https://masto.ai/@architecture/114606815683201051", "attributedTo": "https://masto.ai/users/architecture", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://masto.ai/users/architecture/followers" ], "sensitive": false, "atomUri": "https://masto.ai/users/architecture/statuses/114606815683201051", "inReplyToAtomUri": null, "conversation": "tag:masto.ai,2025-06-01:objectId=267455686:objectType=Conversation", "content": "<p>DesignBoom : 3D printed marble dust installation looks into regenerative materials at the venice biennale <a href=\"https://www.designboom.com/design/3d-printed-marble-dust-installation-regenerative-materials-venice-architecture-biennale-2025-ozruh-eth-zurich-06-01-2025/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">designboom.com/design/3d-print</span><span class=\"invisible\">ed-marble-dust-installation-regenerative-materials-venice-architecture-biennale-2025-ozruh-eth-zurich-06-01-2025/</span></a> <a href=\"https://masto.ai/tags/venicearchitecturebiennale2025\" class=\"mention hashtag\" rel=\"tag\">#<span>venicearchitecturebiennale2025</span></a> <a href=\"https://masto.ai/tags/marbleandstonedesign\" class=\"mention hashtag\" rel=\"tag\">#<span>marbleandstonedesign</span></a> <a href=\"https://masto.ai/tags/3Dprinting\" class=\"mention hashtag\" rel=\"tag\">#<span>3Dprinting</span></a> <a href=\"https://masto.ai/tags/ETHzurich\" class=\"mention hashtag\" rel=\"tag\">#<span>ETHzurich</span></a> <a href=\"https://masto.ai/tags/materials\" class=\"mention hashtag\" rel=\"tag\">#<span>materials</span></a> <a href=\"https://masto.ai/tags/recycling\" class=\"mention hashtag\" rel=\"tag\">#<span>recycling</span></a> <a href=\"https://masto.ai/tags/readers\" class=\"mention hashtag\" rel=\"tag\">#<span>readers</span></a> <a href=\"https://masto.ai/tags/design\" class=\"mention hashtag\" rel=\"tag\">#<span>design</span></a> <a href=\"https://masto.ai/tags/video\" class=\"mention hashtag\" rel=\"tag\">#<span>video</span></a></p>", "contentMap": { "fr": "<p>DesignBoom : 3D printed marble dust installation looks into regenerative materials at the venice biennale <a href=\"https://www.designboom.com/design/3d-printed-marble-dust-installation-regenerative-materials-venice-architecture-biennale-2025-ozruh-eth-zurich-06-01-2025/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">designboom.com/design/3d-print</span><span class=\"invisible\">ed-marble-dust-installation-regenerative-materials-venice-architecture-biennale-2025-ozruh-eth-zurich-06-01-2025/</span></a> <a href=\"https://masto.ai/tags/venicearchitecturebiennale2025\" class=\"mention hashtag\" rel=\"tag\">#<span>venicearchitecturebiennale2025</span></a> <a href=\"https://masto.ai/tags/marbleandstonedesign\" class=\"mention hashtag\" rel=\"tag\">#<span>marbleandstonedesign</span></a> <a href=\"https://masto.ai/tags/3Dprinting\" class=\"mention hashtag\" rel=\"tag\">#<span>3Dprinting</span></a> <a href=\"https://masto.ai/tags/ETHzurich\" class=\"mention hashtag\" rel=\"tag\">#<span>ETHzurich</span></a> <a href=\"https://masto.ai/tags/materials\" class=\"mention hashtag\" rel=\"tag\">#<span>materials</span></a> <a href=\"https://masto.ai/tags/recycling\" class=\"mention hashtag\" rel=\"tag\">#<span>recycling</span></a> <a href=\"https://masto.ai/tags/readers\" class=\"mention hashtag\" rel=\"tag\">#<span>readers</span></a> <a href=\"https://masto.ai/tags/design\" class=\"mention hashtag\" rel=\"tag\">#<span>design</span></a> <a href=\"https://masto.ai/tags/video\" class=\"mention hashtag\" rel=\"tag\">#<span>video</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://masto.ai/tags/venicearchitecturebiennale2025", "name": "#venicearchitecturebiennale2025" }, { "type": "Hashtag", "href": "https://masto.ai/tags/marbleandstonedesign", "name": "#marbleandstonedesign" }, { "type": "Hashtag", "href": "https://masto.ai/tags/3dprinting", "name": "#3dprinting" }, { "type": "Hashtag", "href": "https://masto.ai/tags/ethzurich", "name": "#ethzurich" }, { "type": "Hashtag", "href": "https://masto.ai/tags/materials", "name": "#materials" }, { "type": "Hashtag", "href": "https://masto.ai/tags/recycling", "name": "#recycling" }, { "type": "Hashtag", "href": "https://masto.ai/tags/readers", "name": "#readers" }, { "type": "Hashtag", "href": "https://masto.ai/tags/design", "name": "#design" }, { "type": "Hashtag", "href": "https://masto.ai/tags/video", "name": "#video" } ], "replies": { "id": "https://masto.ai/users/architecture/statuses/114606815683201051/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://masto.ai/users/architecture/statuses/114606815683201051/replies?only_other_accounts=true&page=true", "partOf": "https://masto.ai/users/architecture/statuses/114606815683201051/replies", "items": [] } }, "likes": { "id": "https://masto.ai/users/architecture/statuses/114606815683201051/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://masto.ai/users/architecture/statuses/114606815683201051/shares", "type": "Collection", "totalItems": 0 } }