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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{ "id": "https://discourse.osgeo.org/ap/activity/a141e4a77e349f41eb38cb6be2bb1460", "type": "Create", "audience": "https://discourse.osgeo.org/ap/actor/e12a97a00c04f88ba48156f05cd55220", "to": "https://discourse.osgeo.org/ap/actor/e12a97a00c04f88ba48156f05cd55220", "cc": [ "https://www.w3.org/ns/activitystreams#Public" ], "published": "2025-02-12T17:33:44Z", "updated": "2025-02-12T17:33:44Z", "actor": { "id": "https://discourse.osgeo.org/ap/actor/1a582431e76511ca6b0ff2268e580e5f", "type": "Person", "updated": "2023-12-27T19:53:11Z", "url": "https://discourse.osgeo.org/u/robe", "name": "Regina Obe", "inbox": "https://discourse.osgeo.org/ap/actor/1a582431e76511ca6b0ff2268e580e5f/inbox", "outbox": "https://discourse.osgeo.org/ap/actor/1a582431e76511ca6b0ff2268e580e5f/outbox", "sharedInbox": "https://discourse.osgeo.org/ap/users/inbox", "followers": "https://discourse.osgeo.org/ap/actor/1a582431e76511ca6b0ff2268e580e5f/followers", "preferredUsername": "robe", "publicKey": { "id": "https://discourse.osgeo.org/ap/actor/1a582431e76511ca6b0ff2268e580e5f#main-key", "owner": "https://discourse.osgeo.org/ap/actor/1a582431e76511ca6b0ff2268e580e5f", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1mMIBuwAOFVRVv4bZrhL\nb89MiMhnlJPc+XipvMWW8GvP+xv5Okq9OsfP/Ntl9rCnLkQRNWf685ASEp5dK7de\nRQ7ax9wH6SGNksG15R0eWGSU7ToCdUT9Au1jrbZxgoIQAjl/7wTRm5/70zkXItkQ\nTQJkOOLze9ZxHq2kKYfuLuWrDYqaw5fpCafMUyiEH0jGMzKixO75Ked/hE67HptF\nZAppu5tARVciPZ3SodrWqOO67AxBbhkpfxclBHWWem8exN7K33fum7+JKtwI2qin\n0N1MKubK4yCxDtPNH4xn2ek7Wh9Wn7X2+tb9e3uZkWPQS9+Zi/v7EEElW5DzBXdm\nzwIDAQAB\n-----END PUBLIC KEY-----\n" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://discourse.osgeo.org/user_avatar/discourse.osgeo.org/robe/96/6_2.png" }, "@context": "https://www.w3.org/ns/activitystreams" }, "@context": "https://www.w3.org/ns/activitystreams", "object": { "id": "https://discourse.osgeo.org/ap/object/c6a24ff01daa881644300648dd90a1fe", "type": "Note", "audience": "https://discourse.osgeo.org/ap/actor/e12a97a00c04f88ba48156f05cd55220", "to": "https://discourse.osgeo.org/ap/actor/e12a97a00c04f88ba48156f05cd55220", "cc": [ "https://www.w3.org/ns/activitystreams#Public" ], "published": "2025-02-12T17:33:44Z", "updated": "2025-02-12T17:33:44Z", "url": "https://discourse.osgeo.org/t/introduction-from-omkar-gsoc-2025/112788/2", "attributedTo": "https://discourse.osgeo.org/ap/actor/1a582431e76511ca6b0ff2268e580e5f", "context": "https://discourse.osgeo.org/ap/collection/abcef41a5ff7943b5915b6b298a6c0a3", "content": "<p>Welcome Omkar. For starters ready yourself for the application process by following:</p><p><a href=\"https://github.com/pgRouting/pgrouting/wiki/GSoC-Ideas%3A-2025#pgrouting-application-requirements\">pgRouting GSOC application requirements</a></p><br><br><a href=\"https://discourse.osgeo.org/t/introduction-from-omkar-gsoc-2025/112788/2\">Discuss this on our forum.</a>", "inReplyTo": "https://discourse.osgeo.org/ap/object/77c83777dfbc46f6fbe0387573b5a876", "@context": "https://www.w3.org/ns/activitystreams" } }