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/7240f2532328fe87e86eac8f4e09e558", "type": "Announce", "audience": "https://discourse.osgeo.org/ap/actor/108260f8d305b5d15bca66c17067a7a7", "to": "https://discourse.osgeo.org/ap/actor/108260f8d305b5d15bca66c17067a7a7", "cc": [ "https://www.w3.org/ns/activitystreams#Public" ], "updated": "2025-02-07T23:30:27Z", "actor": { "id": "https://discourse.osgeo.org/ap/actor/108260f8d305b5d15bca66c17067a7a7", "type": "Group", "updated": "2024-01-07T17:02:45Z", "url": "https://discourse.osgeo.org/c/website/2", "name": "OSGeo Discuss Website", "inbox": "https://discourse.osgeo.org/ap/actor/108260f8d305b5d15bca66c17067a7a7/inbox", "outbox": "https://discourse.osgeo.org/ap/actor/108260f8d305b5d15bca66c17067a7a7/outbox", "followers": "https://discourse.osgeo.org/ap/actor/108260f8d305b5d15bca66c17067a7a7/followers", "preferredUsername": "site-feedback", "publicKey": { "id": "https://discourse.osgeo.org/ap/actor/108260f8d305b5d15bca66c17067a7a7#main-key", "owner": "https://discourse.osgeo.org/ap/actor/108260f8d305b5d15bca66c17067a7a7", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvI4dKAGGv2Rfp8AWQe4o\narRKiayahOvRpXWm1oRqjwlCgYJOzSLYHNnEMpjNAZiVu15hPKr6ZqMM56RAcnPh\nb4QC5LPKMDRBBExrWXrfnnnd4vfmpoq/zp8dXFP/b7vxkJWXzBxgCQPrRuUd4tRB\nAQMn1iLk/EnfYPXNintCDWjmab1SVlEsRTyEMICB53ZrJCKVRIYJu7M500bIbajA\ngjCjV5hGGR0+RwkSf9a31T2Zt24/FbXWcue0wxnG1TW8cz3NKlpR+mfKCpMAnXoL\n2El09HPSvOvKHAHQ9FRMh7JI62+hUWiiQTBfWvH3OVFDumdN0/tBRdIWI8LJwrdN\nuQIDAQAB\n-----END PUBLIC KEY-----\n" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://discourse.osgeo.org/uploads/default/original/1X/ee3ef3d3bbb18af37d0356eeb3a5fa47223a871c.png" }, "@context": "https://www.w3.org/ns/activitystreams" }, "@context": "https://www.w3.org/ns/activitystreams", "object": { "id": "https://discourse.osgeo.org/ap/activity/cc884f4ecd614cb8be85bb8ee317e37f", "type": "Like", "audience": "https://discourse.osgeo.org/ap/actor/108260f8d305b5d15bca66c17067a7a7", "to": "https://discourse.osgeo.org/ap/actor/108260f8d305b5d15bca66c17067a7a7", "cc": [ "https://www.w3.org/ns/activitystreams#Public" ], "published": "2025-02-07T23:30:27Z", "updated": "2025-02-07T23:30:27Z", "actor": { "id": "https://discourse.osgeo.org/ap/actor/c431e4a5a6acc72591990f0920c951ec", "type": "Person", "updated": "2024-12-08T17:41:25Z", "url": "https://discourse.osgeo.org/u/jsonsingh", "inbox": "https://discourse.osgeo.org/ap/actor/c431e4a5a6acc72591990f0920c951ec/inbox", "outbox": "https://discourse.osgeo.org/ap/actor/c431e4a5a6acc72591990f0920c951ec/outbox", "sharedInbox": "https://discourse.osgeo.org/ap/users/inbox", "followers": "https://discourse.osgeo.org/ap/actor/c431e4a5a6acc72591990f0920c951ec/followers", "preferredUsername": "jsonsingh", "publicKey": { "id": "https://discourse.osgeo.org/ap/actor/c431e4a5a6acc72591990f0920c951ec#main-key", "owner": "https://discourse.osgeo.org/ap/actor/c431e4a5a6acc72591990f0920c951ec", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq2p2geFTu80t/7y8K0bb\nVBWcs7hUXBKcXd690OGTpfjDHp+soZXpTKPFEY+QRk/XWMb5HiYwiTdzPpcTTMoX\nWykcOfHtKnSej6YjFSVT3DtipzXxyTxbdvatbsmvNkaPh6dF0/u64WIYRhyjmGIU\n5biE7HqvuNhgGmNKmwOs3uquvObdnzPcbNosXfWJx+vajAMEBt5+zxpu/JxgQzHO\nExktnkpXZD3AgH6cvZO6UqibTYWx+m1i91x+2PAgkG4nW7m1C6fgg60iNK/daGlH\nvd1LioxvR+jjwivt+2UJY6rA5jMONl0JPKZsISJICcMYkUl8MjM3l7ighmOxcVKg\nWwIDAQAB\n-----END PUBLIC KEY-----\n" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://discourse.osgeo.org/user_avatar/discourse.osgeo.org/jsonsingh/96/10664_2.png" }, "@context": "https://www.w3.org/ns/activitystreams" }, "@context": "https://www.w3.org/ns/activitystreams", "object": { "id": "https://discourse.osgeo.org/ap/object/fba2e2f89ab6dcc3f9728ce8c58e825c", "type": "Note", "audience": "https://discourse.osgeo.org/ap/actor/108260f8d305b5d15bca66c17067a7a7", "to": "https://discourse.osgeo.org/ap/actor/108260f8d305b5d15bca66c17067a7a7", "cc": [ "https://www.w3.org/ns/activitystreams#Public" ], "published": "2025-02-07T23:30:27Z", "updated": "2025-02-07T23:30:27Z", "url": "https://discourse.osgeo.org/t/job-portal-on-the-osgeo-website/112439/7", "attributedTo": "https://discourse.osgeo.org/ap/actor/1a582431e76511ca6b0ff2268e580e5f", "context": "https://discourse.osgeo.org/ap/collection/628037eb75c66c36f8a5e464501c114e", "content": "<p>I've created the category here <a href=\"https://discourse.osgeo.org/c/jobs/68\">https://discourse.osgeo.org/c/jobs/68</a></p><p>and approved a job post that came recently in General and moved it to this new category.</p><br><br><a href=\"https://discourse.osgeo.org/t/job-portal-on-the-osgeo-website/112439/7\">Discuss this on our forum.</a>", "inReplyTo": "https://discourse.osgeo.org/ap/object/5bc3d8412aa9d906042f2622ce77295f", "@context": "https://www.w3.org/ns/activitystreams" } } }