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", "Device": "toot:Device", "Ed25519Signature": "toot:Ed25519Signature", "Ed25519Key": "toot:Ed25519Key", "Curve25519Key": "toot:Curve25519Key", "EncryptedMessage": "toot:EncryptedMessage", "publicKeyBase64": "toot:publicKeyBase64", "deviceId": "toot:deviceId", "claim": { "@type": "@id", "@id": "toot:claim" }, "fingerprintKey": { "@type": "@id", "@id": "toot:fingerprintKey" }, "identityKey": { "@type": "@id", "@id": "toot:identityKey" }, "devices": { "@type": "@id", "@id": "toot:devices" }, "messageFranking": "toot:messageFranking", "messageType": "toot:messageType", "cipherText": "toot:cipherText", "suspended": "toot:suspended", "memorial": "toot:memorial", "indexable": "toot:indexable", "Hashtag": "as:Hashtag", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://mastodon.nl/users/JouwZIJNinBalans", "type": "Person", "following": "https://mastodon.nl/users/JouwZIJNinBalans/following", "followers": "https://mastodon.nl/users/JouwZIJNinBalans/followers", "inbox": "https://mastodon.nl/users/JouwZIJNinBalans/inbox", "outbox": "https://mastodon.nl/users/JouwZIJNinBalans/outbox", "featured": "https://mastodon.nl/users/JouwZIJNinBalans/collections/featured", "featuredTags": "https://mastodon.nl/users/JouwZIJNinBalans/collections/tags", "preferredUsername": "JouwZIJNinBalans", "name": "Fien", "summary": "<p>Moeder van 3+4 (+)kids, +oma van 3 kids<br />Zotte vlaai<br />Kinder- en <a href=\"https://mastodon.nl/tags/Tuina\" class=\"mention hashtag\" rel=\"tag\">#<span>Tuina</span></a>-therapeut<br />Diversiteitskoor Alieco-dirigente<br />Docent Muzische Vorming<br />Kruiden-smaakpapil-ontwikkelaar<br />Geurkunstenaar<br />Omdenker: 1+1=3, blauw of misschien wel zand<br /><a href=\"https://mastodon.nl/tags/Natuurliefhebber\" class=\"mention hashtag\" rel=\"tag\">#<span>Natuurliefhebber</span></a><br /><a href=\"https://mastodon.nl/tags/Productontwikkelaar\" class=\"mention hashtag\" rel=\"tag\">#<span>Productontwikkelaar</span></a></p>", "url": "https://mastodon.nl/@JouwZIJNinBalans", "manuallyApprovesFollowers": false, "discoverable": false, "indexable": false, "published": "2025-04-11T00:00:00Z", "memorial": false, "devices": "https://mastodon.nl/users/JouwZIJNinBalans/collections/devices", "publicKey": { "id": "https://mastodon.nl/users/JouwZIJNinBalans#main-key", "owner": "https://mastodon.nl/users/JouwZIJNinBalans", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3VF9/SHE8dU2Qbk3EhDa\nLUKK4tE6rq0Oow6uDd/g5zBhyeCsAe4kEGN67msmwNJjQ+z66h9BeAgZ/rFsaXNj\n407yA0Ko2biE5Cix42prdjz6CNe99s7ecVex2EfyEwwm6LbSk1s71ZkuIfs76Q6B\nTQKWV155g89Tmx1nOkT2s8GoKD3zo0sC00s1eJHHtRckH3xA3ouO90eKsB3dwyM8\nMEGBDCybfWjGznR3mZUGQ2RmSJPuq/sJEZnuTKDSnZt1mCgVOSyu7HihaF9jme/V\nAM9vKeqGJ5vQ5O1hsNwAQcsmqtPBLnNgae0580umoEDLSGlC6/ZDtVV3Nw0R195D\n8QIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "type": "Hashtag", "href": "https://mastodon.nl/tags/natuurliefhebber", "name": "#natuurliefhebber" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/tuina", "name": "#tuina" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/productontwikkelaar", "name": "#productontwikkelaar" } ], "attachment": [], "endpoints": { "sharedInbox": "https://mastodon.nl/inbox" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://mastodon.nl/system/accounts/avatars/114/318/999/038/179/783/original/95ae68cd81d207a9.png" }, "image": { "type": "Image", "mediaType": "image/jpeg", "url": "https://mastodon.nl/system/accounts/headers/114/318/999/038/179/783/original/16e2484052e72cfd.jpg" } }