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", { "mostr": "http://mostr.pub/ns#", "Zap": "mostr:Zap", "xsd": "http://www.w3.org/2001/XMLSchema#", "fep": "https://w3id.org/fep/", "proxyOf": { "@id": "fep:fffd/proxyOf", "@type": "@id", "@container": "@set" }, "protocol": { "@id": "fep:fffd/protocol", "@type": "@id" }, "proxied": { "@id": "fep:fffd/proxied", "@type": "xsd:string" }, "authoritative": { "@id": "fep:fffd/authoritative", "@type": "xsd:boolean" } } ], "type": "Note", "id": "https://mostr.pub/objects/56f5124bcb0b56bcd5755422e61497feea491f4ce4f0d1aadea966b813f3ffe3", "attributedTo": "https://mostr.pub/users/76c71aae3a491f1d9eec47cba17e229cda4113a0bbb6e6ae1776d7643e29cafa", "content": "Exciting to see that Foursquare has open sourced their POI database. Imagine a satlantis but with 100 million venues. <br /><br /><a href=\"https://simonwillison.net/2024/Nov/20/foursquare-open-source-places/\">https://simonwillison.net/2024/Nov/20/foursquare-open-source-places/</a>", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mostr.pub/users/76c71aae3a491f1d9eec47cba17e229cda4113a0bbb6e6ae1776d7643e29cafa/followers" ], "tag": [], "attachment": [], "sensitive": false, "published": "2024-11-21T17:31:29.000Z", "quoteUrl": "https://fedi.simonwillison.net/users/simon/statuses/113513784088708400", "proxyOf": [ { "protocol": "https://github.com/nostr-protocol/nostr", "proxied": "note12m63yj7tpdtte4t42s3wv9yhlm4yj86vuncdr2k749ntsylnll3s2yxk8a", "authoritative": true } ] }