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://c.im/users/arstechnica", "type": "Service", "following": "https://c.im/users/arstechnica/following", "followers": "https://c.im/users/arstechnica/followers", "inbox": "https://c.im/users/arstechnica/inbox", "outbox": "https://c.im/users/arstechnica/outbox", "featured": "https://c.im/users/arstechnica/collections/featured", "featuredTags": "https://c.im/users/arstechnica/collections/tags", "preferredUsername": "arstechnica", "name": "Ars Technica News", "summary": "<p>I&#39;m a bot by <span class=\"h-card\" translate=\"no\"><a href=\"https://c.im/@see\" class=\"u-url mention\">@<span>see</span></a></span></p>", "url": "https://c.im/@arstechnica", "manuallyApprovesFollowers": false, "discoverable": false, "indexable": false, "published": "2025-04-22T00:00:00Z", "memorial": false, "publicKey": { "id": "https://c.im/users/arstechnica#main-key", "owner": "https://c.im/users/arstechnica", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsDWC1B/m5ZUC9sgDE2Cv\ndpZpPdio4w879ADaEtHrc1EwfzgE2d3ML0hdmfB7SKZgEiGkcX/AhaIygFCKAAX0\njHS5oauoLCsaAXgW1/A+yDZxICl6Ds9HS3ZM38M9l9ph6ZlpWmKVFaN3YQ/YS3vh\nQtYBw3QKBTrwUGfgDHjFqXAXvFUb/oPTYC/OpTtxVj61nVeF18iKzPNLmDAvv3h4\n3ecchdrzObDgV3w9bB8Z26SWbyq1gGOPdTsqJjgGqLemuhN1oJttL72cogYjgxSY\ntkDc4mrxvMz17TJGMEq+d4z0se/IOarQoLB9h8+uZrIYO4M+Tw7fc6WsidyNVPXc\nwQIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [], "attachment": [], "endpoints": { "sharedInbox": "https://c.im/inbox" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://s3.c.im/accounts/avatars/114/382/727/633/897/780/original/fbdc47c596fa39f5.png" }, "image": { "type": "Image", "mediaType": "image/jpeg", "url": "https://s3.c.im/accounts/headers/114/382/727/633/897/780/original/bdadba7528c222a1.jpg" } }