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" }, "Hashtag": "as:Hashtag", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://channels.im/users/mlb", "type": "Person", "following": "https://channels.im/users/mlb/following", "followers": "https://channels.im/users/mlb/followers", "inbox": "https://channels.im/users/mlb/inbox", "outbox": "https://channels.im/users/mlb/outbox", "featured": "https://channels.im/users/mlb/collections/featured", "featuredTags": "https://channels.im/users/mlb/collections/tags", "preferredUsername": "mlb", "name": "MLB News", "summary": "<p>MLB News<br /><a href=\"https://channels.im/tags/MLB\" class=\"mention hashtag\" rel=\"tag\">#<span>MLB</span></a><br /><a href=\"https://channels.im/tags/Baseball\" class=\"mention hashtag\" rel=\"tag\">#<span>Baseball</span></a><br /><a href=\"https://channels.im/tags/RAWCHILI\" class=\"mention hashtag\" rel=\"tag\">#<span>RAWCHILI</span></a></p>", "url": "https://channels.im/@mlb", "manuallyApprovesFollowers": false, "discoverable": true, "indexable": true, "published": "2025-04-26T00:00:00Z", "memorial": false, "publicKey": { "id": "https://channels.im/users/mlb#main-key", "owner": "https://channels.im/users/mlb", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqEPljESMlBCaT3CxvMbj\nGcM6jx2QFeAZxP/RoSr3IdbVxp0C575I0yqoGkStxHq8xLqqkRV/l2+xkYSkrsUy\nOaB3IQZUmTxKv7PjS9VYCvSJpYv//SchWMKrtbblRwmcPeLMPMDyn+FmPTuTLhUA\n5cucwNw0qu4mbj4mLy7AcpJ93IMqzuCKV370TFqLNmDvCryCB4h4SX1yAuwcCDDh\nifyGgkduHMBuE06VZviXZ1Q2WNGRmO9JC7Cr2/I7cN2vGa+ScEl0fupSob8C0CBi\n4HWcP9N8M4fdQE3+oDybJDAWaX28hLeph7eH2VB0UAwHSf5x1GmcCHrTCNvT+j0l\nRQIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "type": "Hashtag", "href": "https://channels.im/tags/mlb", "name": "#mlb" }, { "type": "Hashtag", "href": "https://channels.im/tags/rawchili", "name": "#rawchili" }, { "type": "Hashtag", "href": "https://channels.im/tags/baseball", "name": "#baseball" } ], "attachment": [ { "type": "PropertyValue", "name": "Website", "value": "<a href=\"https://www.rawchili.com/mlb\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">rawchili.com/mlb</span><span class=\"invisible\"></span></a>" } ], "endpoints": { "sharedInbox": "https://channels.im/inbox" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://media.channels.im/accounts/avatars/114/403/745/199/576/417/original/27f683af48680b22.png" }, "image": { "type": "Image", "mediaType": "image/png", "url": "https://media.channels.im/accounts/headers/114/403/745/199/576/417/original/b2c955dea3deb19b.png" } }