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", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.sdf.org/users/davbucci/statuses/113682063499596890", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.sdf.org/users/davbucci/statuses/113670814997486145", "published": "2024-12-19T23:23:47Z", "url": "https://mastodon.sdf.org/@davbucci/113682063499596890", "attributedTo": "https://mastodon.sdf.org/users/davbucci", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.sdf.org/users/davbucci/followers" ], "sensitive": false, "atomUri": "https://mastodon.sdf.org/users/davbucci/statuses/113682063499596890", "inReplyToAtomUri": "https://mastodon.sdf.org/users/davbucci/statuses/113670814997486145", "conversation": "tag:mastodon.sdf.org,2024-12-15:objectId=229306891:objectType=Conversation", "content": "<p>I spent the evening tweaking the user interface of the MIDI2SwinSID. I start really liking this little <a href=\"https://mastodon.sdf.org/tags/synth\" class=\"mention hashtag\" rel=\"tag\">#<span>synth</span></a>. I implemented a basic handling of the channel and MIDI mode that I’ll have to complete later. <a href=\"https://mastodon.sdf.org/tags/electronics\" class=\"mention hashtag\" rel=\"tag\">#<span>electronics</span></a> <a href=\"https://mastodon.sdf.org/tags/diy\" class=\"mention hashtag\" rel=\"tag\">#<span>diy</span></a> <a href=\"https://mastodon.sdf.org/tags/stm32\" class=\"mention hashtag\" rel=\"tag\">#<span>stm32</span></a> <a href=\"https://mastodon.sdf.org/tags/sid\" class=\"mention hashtag\" rel=\"tag\">#<span>sid</span></a> <a href=\"https://mastodon.sdf.org/tags/midi\" class=\"mention hashtag\" rel=\"tag\">#<span>midi</span></a> <a href=\"https://mastodon.sdf.org/tags/retrocomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>retrocomputing</span></a> <a href=\"https://mastodon.sdf.org/tags/music\" class=\"mention hashtag\" rel=\"tag\">#<span>music</span></a> <a href=\"https://mastodon.sdf.org/tags/commodore64\" class=\"mention hashtag\" rel=\"tag\">#<span>commodore64</span></a></p>", "contentMap": { "en": "<p>I spent the evening tweaking the user interface of the MIDI2SwinSID. I start really liking this little <a href=\"https://mastodon.sdf.org/tags/synth\" class=\"mention hashtag\" rel=\"tag\">#<span>synth</span></a>. I implemented a basic handling of the channel and MIDI mode that I’ll have to complete later. <a href=\"https://mastodon.sdf.org/tags/electronics\" class=\"mention hashtag\" rel=\"tag\">#<span>electronics</span></a> <a href=\"https://mastodon.sdf.org/tags/diy\" class=\"mention hashtag\" rel=\"tag\">#<span>diy</span></a> <a href=\"https://mastodon.sdf.org/tags/stm32\" class=\"mention hashtag\" rel=\"tag\">#<span>stm32</span></a> <a href=\"https://mastodon.sdf.org/tags/sid\" class=\"mention hashtag\" rel=\"tag\">#<span>sid</span></a> <a href=\"https://mastodon.sdf.org/tags/midi\" class=\"mention hashtag\" rel=\"tag\">#<span>midi</span></a> <a href=\"https://mastodon.sdf.org/tags/retrocomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>retrocomputing</span></a> <a href=\"https://mastodon.sdf.org/tags/music\" class=\"mention hashtag\" rel=\"tag\">#<span>music</span></a> <a href=\"https://mastodon.sdf.org/tags/commodore64\" class=\"mention hashtag\" rel=\"tag\">#<span>commodore64</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://mastodon.sdf.org/system/media_attachments/files/113/682/051/312/010/661/original/2f91ed599e04017c.png", "name": "A closeup of the display of the STM32F429I-DISCO card showing the characteristics of a synth sound. ", "blurhash": "UW4MM_kQnbe[oHj?j[junbjcbLj=oGfRa$f6", "width": 1152, "height": 1536 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/synth", "name": "#synth" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/electronics", "name": "#electronics" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/diy", "name": "#diy" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/stm32", "name": "#stm32" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/sid", "name": "#sid" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/midi", "name": "#midi" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/retrocomputing", "name": "#retrocomputing" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/music", "name": "#music" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/commodore64", "name": "#commodore64" } ], "replies": { "id": "https://mastodon.sdf.org/users/davbucci/statuses/113682063499596890/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.sdf.org/users/davbucci/statuses/113682063499596890/replies?min_id=113697657908450986&page=true", "partOf": "https://mastodon.sdf.org/users/davbucci/statuses/113682063499596890/replies", "items": [ "https://mastodon.sdf.org/users/davbucci/statuses/113697657908450986" ] } } }