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://mastodon.social/users/johniac/statuses/114251808315008662", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-03-30T14:17:23Z", "url": "https://mastodon.social/@johniac/114251808315008662", "attributedTo": "https://mastodon.social/users/johniac", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/johniac/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/johniac/statuses/114251808315008662", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-03-30:objectId=959332935:objectType=Conversation", "content": "<p>SciTech Chronicles. . . . . . . . .Mar 31st, 2025</p><p><a href=\"https://bit.ly/stc033125\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">bit.ly/stc033125</span><span class=\"invisible\"></span></a></p><p><a href=\"https://mastodon.social/tags/nanostructured\" class=\"mention hashtag\" rel=\"tag\">#<span>nanostructured</span></a> <a href=\"https://mastodon.social/tags/Copper\" class=\"mention hashtag\" rel=\"tag\">#<span>Copper</span></a>-Tantalum-Lithium <a href=\"https://mastodon.social/tags/stability\" class=\"mention hashtag\" rel=\"tag\">#<span>stability</span></a> <a href=\"https://mastodon.social/tags/strength\" class=\"mention hashtag\" rel=\"tag\">#<span>strength</span></a> <a href=\"https://mastodon.social/tags/Connectome\" class=\"mention hashtag\" rel=\"tag\">#<span>Connectome</span></a> <a href=\"https://mastodon.social/tags/cortical\" class=\"mention hashtag\" rel=\"tag\">#<span>cortical</span></a> <a href=\"https://mastodon.social/tags/thickness\" class=\"mention hashtag\" rel=\"tag\">#<span>thickness</span></a> <a href=\"https://mastodon.social/tags/volume\" class=\"mention hashtag\" rel=\"tag\">#<span>volume</span></a> <a href=\"https://mastodon.social/tags/conductor\" class=\"mention hashtag\" rel=\"tag\">#<span>conductor</span></a> <a href=\"https://mastodon.social/tags/Faraday\" class=\"mention hashtag\" rel=\"tag\">#<span>Faraday</span></a> <a href=\"https://mastodon.social/tags/electrostatic\" class=\"mention hashtag\" rel=\"tag\">#<span>electrostatic</span></a> <a href=\"https://mastodon.social/tags/tube\" class=\"mention hashtag\" rel=\"tag\">#<span>tube</span></a> <a href=\"https://mastodon.social/tags/stromatolites\" class=\"mention hashtag\" rel=\"tag\">#<span>stromatolites</span></a> <a href=\"https://mastodon.social/tags/amino\" class=\"mention hashtag\" rel=\"tag\">#<span>amino</span></a>-acids <a href=\"https://mastodon.social/tags/abiogenesis\" class=\"mention hashtag\" rel=\"tag\">#<span>abiogenesis</span></a> <a href=\"https://mastodon.social/tags/carbon\" class=\"mention hashtag\" rel=\"tag\">#<span>carbon</span></a>-nitrogen <a href=\"https://mastodon.social/tags/AMSAT\" class=\"mention hashtag\" rel=\"tag\">#<span>AMSAT</span></a>-OSCAR <a href=\"https://mastodon.social/tags/AO\" class=\"mention hashtag\" rel=\"tag\">#<span>AO</span></a>-7 <a href=\"https://mastodon.social/tags/NiCd\" class=\"mention hashtag\" rel=\"tag\">#<span>NiCd</span></a> <a href=\"https://mastodon.social/tags/AE4JC\" class=\"mention hashtag\" rel=\"tag\">#<span>AE4JC</span></a></p>", "contentMap": { "en": "<p>SciTech Chronicles. . . . . . . . .Mar 31st, 2025</p><p><a href=\"https://bit.ly/stc033125\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">bit.ly/stc033125</span><span class=\"invisible\"></span></a></p><p><a href=\"https://mastodon.social/tags/nanostructured\" class=\"mention hashtag\" rel=\"tag\">#<span>nanostructured</span></a> <a href=\"https://mastodon.social/tags/Copper\" class=\"mention hashtag\" rel=\"tag\">#<span>Copper</span></a>-Tantalum-Lithium <a href=\"https://mastodon.social/tags/stability\" class=\"mention hashtag\" rel=\"tag\">#<span>stability</span></a> <a href=\"https://mastodon.social/tags/strength\" class=\"mention hashtag\" rel=\"tag\">#<span>strength</span></a> <a href=\"https://mastodon.social/tags/Connectome\" class=\"mention hashtag\" rel=\"tag\">#<span>Connectome</span></a> <a href=\"https://mastodon.social/tags/cortical\" class=\"mention hashtag\" rel=\"tag\">#<span>cortical</span></a> <a href=\"https://mastodon.social/tags/thickness\" class=\"mention hashtag\" rel=\"tag\">#<span>thickness</span></a> <a href=\"https://mastodon.social/tags/volume\" class=\"mention hashtag\" rel=\"tag\">#<span>volume</span></a> <a href=\"https://mastodon.social/tags/conductor\" class=\"mention hashtag\" rel=\"tag\">#<span>conductor</span></a> <a href=\"https://mastodon.social/tags/Faraday\" class=\"mention hashtag\" rel=\"tag\">#<span>Faraday</span></a> <a href=\"https://mastodon.social/tags/electrostatic\" class=\"mention hashtag\" rel=\"tag\">#<span>electrostatic</span></a> <a href=\"https://mastodon.social/tags/tube\" class=\"mention hashtag\" rel=\"tag\">#<span>tube</span></a> <a href=\"https://mastodon.social/tags/stromatolites\" class=\"mention hashtag\" rel=\"tag\">#<span>stromatolites</span></a> <a href=\"https://mastodon.social/tags/amino\" class=\"mention hashtag\" rel=\"tag\">#<span>amino</span></a>-acids <a href=\"https://mastodon.social/tags/abiogenesis\" class=\"mention hashtag\" rel=\"tag\">#<span>abiogenesis</span></a> <a href=\"https://mastodon.social/tags/carbon\" class=\"mention hashtag\" rel=\"tag\">#<span>carbon</span></a>-nitrogen <a href=\"https://mastodon.social/tags/AMSAT\" class=\"mention hashtag\" rel=\"tag\">#<span>AMSAT</span></a>-OSCAR <a href=\"https://mastodon.social/tags/AO\" class=\"mention hashtag\" rel=\"tag\">#<span>AO</span></a>-7 <a href=\"https://mastodon.social/tags/NiCd\" class=\"mention hashtag\" rel=\"tag\">#<span>NiCd</span></a> <a href=\"https://mastodon.social/tags/AE4JC\" class=\"mention hashtag\" rel=\"tag\">#<span>AE4JC</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/nanostructured", "name": "#nanostructured" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/copper", "name": "#copper" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/stability", "name": "#stability" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/strength", "name": "#strength" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/connectome", "name": "#connectome" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/cortical", "name": "#cortical" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/thickness", "name": "#thickness" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/volume", "name": "#volume" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/conductor", "name": "#conductor" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/faraday", "name": "#faraday" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/electrostatic", "name": "#electrostatic" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/tube", "name": "#tube" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/stromatolites", "name": "#stromatolites" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/amino", "name": "#amino" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/abiogenesis", "name": "#abiogenesis" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/carbon", "name": "#carbon" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/amsat", "name": "#amsat" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/ao", "name": "#ao" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/nicd", "name": "#nicd" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/ae4jc", "name": "#ae4jc" } ], "replies": { "id": "https://mastodon.social/users/johniac/statuses/114251808315008662/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/johniac/statuses/114251808315008662/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/johniac/statuses/114251808315008662/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/johniac/statuses/114251808315008662/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon.social/users/johniac/statuses/114251808315008662/shares", "type": "Collection", "totalItems": 0 } }