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", "https://w3id.org/security/v1", { "manuallyApprovesFollowers": "as:manuallyApprovesFollowers", "toot": "http://joinmastodon.org/ns#", "featured": { "@id": "toot:featured", "@type": "@id" }, "featuredTags": { "@id": "toot:featuredTags", "@type": "@id" }, "alsoKnownAs": { "@id": "as:alsoKnownAs", "@type": "@id" }, "movedTo": { "@id": "as:movedTo", "@type": "@id" }, "schema": "http://schema.org#", "PropertyValue": "schema:PropertyValue", "value": "schema:value", "discoverable": "toot:discoverable", "suspended": "toot:suspended", "memorial": "toot:memorial", "indexable": "toot:indexable", "attributionDomains": { "@id": "toot:attributionDomains", "@type": "@id" }, "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://fosstodon.org/users/eurorust", "type": "Person", "following": "https://fosstodon.org/users/eurorust/following", "followers": "https://fosstodon.org/users/eurorust/followers", "inbox": "https://fosstodon.org/users/eurorust/inbox", "outbox": "https://fosstodon.org/users/eurorust/outbox", "featured": "https://fosstodon.org/users/eurorust/collections/featured", "featuredTags": "https://fosstodon.org/users/eurorust/collections/tags", "preferredUsername": "eurorust", "name": "EuroRust", "summary": "<p>EuroRust is a 2-day conference for the European Rust community. We cover all things Rust. Presented by <span class=\"h-card\" translate=\"no\"><a href=\"https://fosstodon.org/@mainmatter\" class=\"u-url mention\">@<span>mainmatter</span></a></span>.</p><p>October, 9th &amp; 10th 2025, Paris &amp; online</p>", "url": "https://fosstodon.org/@eurorust", "manuallyApprovesFollowers": false, "discoverable": false, "indexable": false, "published": "2023-02-19T00:00:00Z", "memorial": false, "publicKey": { "id": "https://fosstodon.org/users/eurorust#main-key", "owner": "https://fosstodon.org/users/eurorust", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr+ILyh8rqscUu7dspswO\ndqwAwyTY/jRWkplfrx7zitrAssKGp1mIbNdDTZGk3LNzp7prw00Viwfldn1b3X01\n6fI7q5u69ZcqzcvgNL5rn6leUiBZuMMNa7Y5x77VXFGVG/UjeVHL78rKCQAvkmMB\nNxrtf6IZm+11ysXdbr+iOXwzPE9fX0hANKXFe1T0qakdOn5u1Pt42eJgvRzp20/3\nTxLIs5KLLX5Z0G4x9iRy0LnqzeyZMQBEp/40YymN5yvxlsHZbYGih7u/XtXpu9jl\nw8h5BmX/GE4KkbVKZFMznILJJ2FTU5BjzeJR9fyUn94f4Me3Wd2lar0DAZ058Pav\n/QIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [], "attachment": [ { "type": "PropertyValue", "name": "Website", "value": "<a href=\"https://eurorust.eu\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">eurorust.eu</span><span class=\"invisible\"></span></a>" }, { "type": "PropertyValue", "name": "Host City", "value": "Paris" } ], "endpoints": { "sharedInbox": "https://fosstodon.org/inbox" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://cdn.fosstodon.org/accounts/avatars/109/892/312/873/220/045/original/52850f41dfbbc031.png" }, "image": { "type": "Image", "mediaType": "image/png", "url": "https://cdn.fosstodon.org/accounts/headers/109/892/312/873/220/045/original/a732fd5da1530856.png" } }