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://social.edu.nl/users/GeertAarts", "type": "Person", "following": "https://social.edu.nl/users/GeertAarts/following", "followers": "https://social.edu.nl/users/GeertAarts/followers", "inbox": "https://social.edu.nl/users/GeertAarts/inbox", "outbox": "https://social.edu.nl/users/GeertAarts/outbox", "featured": "https://social.edu.nl/users/GeertAarts/collections/featured", "featuredTags": "https://social.edu.nl/users/GeertAarts/collections/tags", "preferredUsername": "GeertAarts", "name": "Geert Aarts", "summary": "<p>Marine mammal biologist, also interested in sustainability and statistics | Working @ Wageningen University &amp; Reseach. Living on Texel, love the outdoors. Previous account geertaarts@mastodon@green (since Oct 2022). <br /><a href=\"https://social.edu.nl/tags/ecology\" class=\"mention hashtag\" rel=\"tag\">#<span>ecology</span></a> <a href=\"https://social.edu.nl/tags/marinemammals\" class=\"mention hashtag\" rel=\"tag\">#<span>marinemammals</span></a> <a href=\"https://social.edu.nl/tags/seals\" class=\"mention hashtag\" rel=\"tag\">#<span>seals</span></a> <a href=\"https://social.edu.nl/tags/statistics\" class=\"mention hashtag\" rel=\"tag\">#<span>statistics</span></a> <a href=\"https://social.edu.nl/tags/sealife\" class=\"mention hashtag\" rel=\"tag\">#<span>sealife</span></a> <a href=\"https://social.edu.nl/tags/sustainability\" class=\"mention hashtag\" rel=\"tag\">#<span>sustainability</span></a> <a href=\"https://social.edu.nl/tags/degrowth\" class=\"mention hashtag\" rel=\"tag\">#<span>degrowth</span></a> <a href=\"https://social.edu.nl/tags/conservation\" class=\"mention hashtag\" rel=\"tag\">#<span>conservation</span></a> <a href=\"https://social.edu.nl/tags/rstats\" class=\"mention hashtag\" rel=\"tag\">#<span>rstats</span></a> <a href=\"https://social.edu.nl/tags/running\" class=\"mention hashtag\" rel=\"tag\">#<span>running</span></a> <a href=\"https://social.edu.nl/tags/drones\" class=\"mention hashtag\" rel=\"tag\">#<span>drones</span></a> <a href=\"https://social.edu.nl/tags/uav\" class=\"mention hashtag\" rel=\"tag\">#<span>uav</span></a></p>", "url": "https://social.edu.nl/@GeertAarts", "manuallyApprovesFollowers": false, "discoverable": false, "indexable": false, "published": "2025-02-22T00:00:00Z", "memorial": false, "alsoKnownAs": [ "https://mastodon.green/users/geertaarts" ], "publicKey": { "id": "https://social.edu.nl/users/GeertAarts#main-key", "owner": "https://social.edu.nl/users/GeertAarts", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAghxRmBH94vOBnF1eySCh\nLWABWrEwfhHUaBxdQSGJfvlhVAMc6MxTH+QfgGt5/O1lFBHZRV3G/bkR6tGD+9gZ\nGgqiA5tPRVHGNYh5voAHYiIsZNIqe/qdRWZebgwncFRcr7UgO4kp1ecTdaJ9yZry\n6CHUddQeX/SHS7+npl163pieIsxzJqFOsKFEWsjp7bb1RoYAgcPTg9xjpPykJz8v\nZCZ0ahXCMlCqHKwoDNl3DsNBAapL8mB30VZ71Ag00fLpnLBDzqfJW8cnaegiNMuM\nK87a9vgnSZ7EYtMzFGGqI+VoUKdGP9Paye6dmTK8RCD+618hoWwgCXF/1CaTmBXd\nMQIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "type": "Hashtag", "href": "https://social.edu.nl/tags/sustainability", "name": "#sustainability" }, { "type": "Hashtag", "href": "https://social.edu.nl/tags/drones", "name": "#drones" }, { "type": "Hashtag", "href": "https://social.edu.nl/tags/running", "name": "#running" }, { "type": "Hashtag", "href": "https://social.edu.nl/tags/degrowth", "name": "#degrowth" }, { "type": "Hashtag", "href": "https://social.edu.nl/tags/statistics", "name": "#statistics" }, { "type": "Hashtag", "href": "https://social.edu.nl/tags/ecology", "name": "#ecology" }, { "type": "Hashtag", "href": "https://social.edu.nl/tags/rstats", "name": "#rstats" }, { "type": "Hashtag", "href": "https://social.edu.nl/tags/conservation", "name": "#conservation" }, { "type": "Hashtag", "href": "https://social.edu.nl/tags/sealife", "name": "#sealife" }, { "type": "Hashtag", "href": "https://social.edu.nl/tags/marinemammals", "name": "#marinemammals" }, { "type": "Hashtag", "href": "https://social.edu.nl/tags/seals", "name": "#seals" }, { "type": "Hashtag", "href": "https://social.edu.nl/tags/uav", "name": "#uav" } ], "attachment": [], "endpoints": { "sharedInbox": "https://social.edu.nl/inbox" }, "icon": { "type": "Image", "mediaType": "image/jpeg", "url": "https://objectstore.surf.nl/mastodon/accounts/avatars/114/047/079/851/174/027/original/3d17f508d822a51e.jpg" }, "image": { "type": "Image", "mediaType": "image/jpeg", "url": "https://objectstore.surf.nl/mastodon/accounts/headers/114/047/079/851/174/027/original/b1d8650be5cfbea9.jpg" } }