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", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.social/users/pomarede/statuses/114448777549996703", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-04T09:09:15Z", "url": "https://mastodon.social/@pomarede/114448777549996703", "attributedTo": "https://mastodon.social/users/pomarede", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/pomarede/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/pomarede/statuses/114448777549996703", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-05-04:objectId=988334768:objectType=Conversation", "content": "<p>New Mastcam mosaic captured by the Curiosity rover. </p><p><a href=\"https://mastodon.social/tags/Mars\" class=\"mention hashtag\" rel=\"tag\">#<span>Mars</span></a> May 1st, 2025 (Sol 4527) <br />Credits images: NASA/JPL-Caltech/MSSS/fredk</p><p><a href=\"https://mastodon.social/tags/Curiosity\" class=\"mention hashtag\" rel=\"tag\">#<span>Curiosity</span></a> <a href=\"https://mastodon.social/tags/rover\" class=\"mention hashtag\" rel=\"tag\">#<span>rover</span></a> <a href=\"https://mastodon.social/tags/Sol4527\" class=\"mention hashtag\" rel=\"tag\">#<span>Sol4527</span></a> <a href=\"https://mastodon.social/tags/GhostMountain\" class=\"mention hashtag\" rel=\"tag\">#<span>GhostMountain</span></a> <a href=\"https://mastodon.social/tags/Boxwork\" class=\"mention hashtag\" rel=\"tag\">#<span>Boxwork</span></a> <a href=\"https://mastodon.social/tags/geology\" class=\"mention hashtag\" rel=\"tag\">#<span>geology</span></a> <a href=\"https://mastodon.social/tags/CuriosityRover\" class=\"mention hashtag\" rel=\"tag\">#<span>CuriosityRover</span></a> <a href=\"https://mastodon.social/tags/space\" class=\"mention hashtag\" rel=\"tag\">#<span>space</span></a> <a href=\"https://mastodon.social/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a> <a href=\"https://mastodon.social/tags/STEM\" class=\"mention hashtag\" rel=\"tag\">#<span>STEM</span></a> <a href=\"https://mastodon.social/tags/Astrodon\" class=\"mention hashtag\" rel=\"tag\">#<span>Astrodon</span></a></p>", "contentMap": { "en": "<p>New Mastcam mosaic captured by the Curiosity rover. </p><p><a href=\"https://mastodon.social/tags/Mars\" class=\"mention hashtag\" rel=\"tag\">#<span>Mars</span></a> May 1st, 2025 (Sol 4527) <br />Credits images: NASA/JPL-Caltech/MSSS/fredk</p><p><a href=\"https://mastodon.social/tags/Curiosity\" class=\"mention hashtag\" rel=\"tag\">#<span>Curiosity</span></a> <a href=\"https://mastodon.social/tags/rover\" class=\"mention hashtag\" rel=\"tag\">#<span>rover</span></a> <a href=\"https://mastodon.social/tags/Sol4527\" class=\"mention hashtag\" rel=\"tag\">#<span>Sol4527</span></a> <a href=\"https://mastodon.social/tags/GhostMountain\" class=\"mention hashtag\" rel=\"tag\">#<span>GhostMountain</span></a> <a href=\"https://mastodon.social/tags/Boxwork\" class=\"mention hashtag\" rel=\"tag\">#<span>Boxwork</span></a> <a href=\"https://mastodon.social/tags/geology\" class=\"mention hashtag\" rel=\"tag\">#<span>geology</span></a> <a href=\"https://mastodon.social/tags/CuriosityRover\" class=\"mention hashtag\" rel=\"tag\">#<span>CuriosityRover</span></a> <a href=\"https://mastodon.social/tags/space\" class=\"mention hashtag\" rel=\"tag\">#<span>space</span></a> <a href=\"https://mastodon.social/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a> <a href=\"https://mastodon.social/tags/STEM\" class=\"mention hashtag\" rel=\"tag\">#<span>STEM</span></a> <a href=\"https://mastodon.social/tags/Astrodon\" class=\"mention hashtag\" rel=\"tag\">#<span>Astrodon</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/media_attachments/files/114/448/770/351/910/523/original/69bd53b934616de2.jpeg", "name": "An ochre-toned mosaic capturing a Martian landscape.", "blurhash": "UQDR~Et7j?t6NIIpNGaz0gIos:of-U-U%1of", "focalPoint": [ 0, 0 ], "width": 3689, "height": 739 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/media_attachments/files/114/448/770/759/109/008/original/f1b450ef535b72f6.jpeg", "name": "An ochre-toned mosaic capturing a Martian landscape.", "blurhash": "U5Dk}J^*tR-oOZNyozj[0h9uR*o04;4;E2WB", "focalPoint": [ 0, 0 ], "width": 4976, "height": 1667 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/media_attachments/files/114/448/771/062/718/732/original/5cab30e0191c08d0.jpg", "name": "An ochre-toned mosaic capturing a Martian landscape.", "blurhash": "U2D[nE?aI@%1S%E+%LWX0#0hNHM|I=4;E2M{", "focalPoint": [ 0, 0 ], "width": 2628, "height": 1562 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/media_attachments/files/114/448/771/371/556/151/original/4c588a817e24b065.jpg", "name": "An ochre-toned mosaic capturing a Martian landscape.", "blurhash": "U1Dubw~U%1-U^O589vE3^j58E3EM~BIpIp9u", "focalPoint": [ 0, 0 ], "width": 2396, "height": 1462 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/mars", "name": "#mars" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/curiosity", "name": "#curiosity" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/rover", "name": "#rover" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/sol4527", "name": "#sol4527" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/ghostmountain", "name": "#ghostmountain" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/boxwork", "name": "#boxwork" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/geology", "name": "#geology" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/curiosityrover", "name": "#curiosityrover" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/space", "name": "#space" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/science", "name": "#science" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/stem", "name": "#stem" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/Astrodon", "name": "#Astrodon" } ], "replies": { "id": "https://mastodon.social/users/pomarede/statuses/114448777549996703/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/pomarede/statuses/114448777549996703/replies?min_id=114454356648150301&page=true", "partOf": "https://mastodon.social/users/pomarede/statuses/114448777549996703/replies", "items": [ "https://mastodon.social/users/pomarede/statuses/114454356648150301" ] } }, "likes": { "id": "https://mastodon.social/users/pomarede/statuses/114448777549996703/likes", "type": "Collection", "totalItems": 4 }, "shares": { "id": "https://mastodon.social/users/pomarede/statuses/114448777549996703/shares", "type": "Collection", "totalItems": 1 } }