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", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://mastodon.social/users/unspeaker/statuses/114172373175497680/replies", "type": "Collection", "first": { "id": "https://mastodon.social/users/unspeaker/statuses/114172373175497680/replies?page=true", "type": "CollectionPage", "next": "https://mastodon.social/users/unspeaker/statuses/114172373175497680/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/unspeaker/statuses/114172373175497680/replies", "items": [ { "id": "https://mastodon.social/users/unspeaker/statuses/114172377599164710", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.social/users/unspeaker/statuses/114172373175497680", "published": "2025-03-16T13:37:06Z", "url": "https://mastodon.social/@unspeaker/114172377599164710", "attributedTo": "https://mastodon.social/users/unspeaker", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/unspeaker/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/unspeaker/statuses/114172377599164710", "inReplyToAtomUri": "https://mastodon.social/users/unspeaker/statuses/114172373175497680", "conversation": "tag:mastodon.social,2025-03-15:objectId=946604109:objectType=Conversation", "content": "<p>yesterday <a href=\"https://mastodon.social/tags/helix\" class=\"mention hashtag\" rel=\"tag\">#<span>helix</span></a>, today <a href=\"https://mastodon.social/tags/nix\" class=\"mention hashtag\" rel=\"tag\">#<span>nix</span></a> <a href=\"https://mastodon.social/tags/flakes\" class=\"mention hashtag\" rel=\"tag\">#<span>flakes</span></a> ... what&#39;s next? <a href=\"https://mastodon.social/tags/microsoft\" class=\"mention hashtag\" rel=\"tag\">#<span>microsoft</span></a> leveraging the persuasive power of <a href=\"https://mastodon.social/tags/ai\" class=\"mention hashtag\" rel=\"tag\">#<span>ai</span></a> to make me finally buy a new laptop?</p><p>naaah</p>", "contentMap": { "en": "<p>yesterday <a href=\"https://mastodon.social/tags/helix\" class=\"mention hashtag\" rel=\"tag\">#<span>helix</span></a>, today <a href=\"https://mastodon.social/tags/nix\" class=\"mention hashtag\" rel=\"tag\">#<span>nix</span></a> <a href=\"https://mastodon.social/tags/flakes\" class=\"mention hashtag\" rel=\"tag\">#<span>flakes</span></a> ... what&#39;s next? <a href=\"https://mastodon.social/tags/microsoft\" class=\"mention hashtag\" rel=\"tag\">#<span>microsoft</span></a> leveraging the persuasive power of <a href=\"https://mastodon.social/tags/ai\" class=\"mention hashtag\" rel=\"tag\">#<span>ai</span></a> to make me finally buy a new laptop?</p><p>naaah</p>" }, "updated": "2025-03-16T20:57:36Z", "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/helix", "name": "#helix" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/flakes", "name": "#flakes" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/microsoft", "name": "#microsoft" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/ai", "name": "#ai" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/nix", "name": "#nix" } ], "replies": { "id": "https://mastodon.social/users/unspeaker/statuses/114172377599164710/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/unspeaker/statuses/114172377599164710/replies?min_id=114174106755885269&page=true", "partOf": "https://mastodon.social/users/unspeaker/statuses/114172377599164710/replies", "items": [ "https://mastodon.social/users/unspeaker/statuses/114174106755885269" ] } }, "likes": { "id": "https://mastodon.social/users/unspeaker/statuses/114172377599164710/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon.social/users/unspeaker/statuses/114172377599164710/shares", "type": "Collection", "totalItems": 0 } }, { "id": "https://mastodon.social/users/unspeaker/statuses/114180875823161468", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.social/users/unspeaker/statuses/114172373175497680", "published": "2025-03-18T01:38:19Z", "url": "https://mastodon.social/@unspeaker/114180875823161468", "attributedTo": "https://mastodon.social/users/unspeaker", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/unspeaker/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/unspeaker/statuses/114180875823161468", "inReplyToAtomUri": "https://mastodon.social/users/unspeaker/statuses/114172373175497680", "conversation": "tag:mastodon.social,2025-03-15:objectId=946604109:objectType=Conversation", "content": "<p>here&#39;s a video of <a href=\"https://mastodon.social/tags/taggart\" class=\"mention hashtag\" rel=\"tag\">#<span>taggart</span></a> resizing columns using <a href=\"https://docs.rs/unicode-width/latest/unicode_width/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">docs.rs/unicode-width/latest/u</span><span class=\"invisible\">nicode_width/</span></a> to cut the string at the correct locations!</p><p>still doesn&#39;t save, still crashes on backspace, but at least it looks cute now! next - make it save tags, thanks to <a href=\"https://docs.rs/lofty\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">docs.rs/lofty</span><span class=\"invisible\"></span></a> (as recommended by <a href=\"https://codeberg.org/Frieder_Hannenheim\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">codeberg.org/Frieder_Hannenheim</span><span class=\"invisible\"></span></a>), and that&#39;ll probably be the v0.1</p><p>TrimString and TrimStringRef are now available in the underlying framework, <a href=\"https://mastodon.social/tags/tengri\" class=\"mention hashtag\" rel=\"tag\">#<span>tengri</span></a>. all work on this precipitates into <a href=\"https://mastodon.social/tags/tek\" class=\"mention hashtag\" rel=\"tag\">#<span>tek</span></a>, the original <a href=\"https://mastodon.social/tags/tui\" class=\"mention hashtag\" rel=\"tag\">#<span>tui</span></a> <a href=\"https://mastodon.social/tags/daw\" class=\"mention hashtag\" rel=\"tag\">#<span>daw</span></a> 😉</p><p><a href=\"https://mastodon.social/tags/rustlang\" class=\"mention hashtag\" rel=\"tag\">#<span>rustlang</span></a></p>", "contentMap": { "en": "<p>here&#39;s a video of <a href=\"https://mastodon.social/tags/taggart\" class=\"mention hashtag\" rel=\"tag\">#<span>taggart</span></a> resizing columns using <a href=\"https://docs.rs/unicode-width/latest/unicode_width/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">docs.rs/unicode-width/latest/u</span><span class=\"invisible\">nicode_width/</span></a> to cut the string at the correct locations!</p><p>still doesn&#39;t save, still crashes on backspace, but at least it looks cute now! next - make it save tags, thanks to <a href=\"https://docs.rs/lofty\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">docs.rs/lofty</span><span class=\"invisible\"></span></a> (as recommended by <a href=\"https://codeberg.org/Frieder_Hannenheim\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">codeberg.org/Frieder_Hannenheim</span><span class=\"invisible\"></span></a>), and that&#39;ll probably be the v0.1</p><p>TrimString and TrimStringRef are now available in the underlying framework, <a href=\"https://mastodon.social/tags/tengri\" class=\"mention hashtag\" rel=\"tag\">#<span>tengri</span></a>. all work on this precipitates into <a href=\"https://mastodon.social/tags/tek\" class=\"mention hashtag\" rel=\"tag\">#<span>tek</span></a>, the original <a href=\"https://mastodon.social/tags/tui\" class=\"mention hashtag\" rel=\"tag\">#<span>tui</span></a> <a href=\"https://mastodon.social/tags/daw\" class=\"mention hashtag\" rel=\"tag\">#<span>daw</span></a> 😉</p><p><a href=\"https://mastodon.social/tags/rustlang\" class=\"mention hashtag\" rel=\"tag\">#<span>rustlang</span></a></p>" }, "updated": "2025-03-18T03:54:39Z", "attachment": [ { "type": "Document", "mediaType": "video/mp4", "url": "https://files.mastodon.social/media_attachments/files/114/180/811/168/398/009/original/eba032c74fcde4d2.mp4", "name": "text user interface of a table containing metadata about music files. the columns are grown and expanded without any characters leaking outside the column (well, except for a thing with the column background)", "blurhash": "U684i4t5oftR_4WBogax?wV]jZWU~qWBWBay", "focalPoint": [ 0, 0 ], "width": 1024, "height": 720 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/taggart", "name": "#taggart" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/tengri", "name": "#tengri" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/tek", "name": "#tek" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/tui", "name": "#tui" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/daw", "name": "#daw" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/rustlang", "name": "#rustlang" } ], "replies": { "id": "https://mastodon.social/users/unspeaker/statuses/114180875823161468/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/unspeaker/statuses/114180875823161468/replies?min_id=114212866417443243&page=true", "partOf": "https://mastodon.social/users/unspeaker/statuses/114180875823161468/replies", "items": [ "https://mastodon.social/users/unspeaker/statuses/114212866417443243" ] } }, "likes": { "id": "https://mastodon.social/users/unspeaker/statuses/114180875823161468/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.social/users/unspeaker/statuses/114180875823161468/shares", "type": "Collection", "totalItems": 1 } } ] } }