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" }, "Emoji": "toot:Emoji", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://mas.to/users/cygnusx11", "type": "Person", "following": "https://mas.to/users/cygnusx11/following", "followers": "https://mas.to/users/cygnusx11/followers", "inbox": "https://mas.to/users/cygnusx11/inbox", "outbox": "https://mas.to/users/cygnusx11/outbox", "featured": "https://mas.to/users/cygnusx11/collections/featured", "featuredTags": "https://mas.to/users/cygnusx11/collections/tags", "preferredUsername": "cygnusx11", "name": "WidgetJones :transgender:", "summary": "<p>Pronouns: she/her<br />:archlinux: :anarchy: :lineageos: :pansexual: :tux:</p><p>Transfemme : Pansexual : Anarchist : Antifascist : Cat lover</p><p>Mastodon since ~2021<br />Was @fosstodon.org</p><p>I use Linux full time, Arch BTW, 😉, Lineageos and Calyxos. </p><p>No android, No windows, No macos, No chromeos.</p><p>No accounts with apple, microsoft, google, X, meta or amazon (all gross!)</p><p>I refurbish laptops as a hobby, not for profit.</p><p>No fan of proprietary stuff. It should all be shared and expanded/improved.</p>", "url": "https://mas.to/@cygnusx11", "manuallyApprovesFollowers": false, "discoverable": false, "indexable": false, "published": "2025-04-28T00:00:00Z", "memorial": false, "alsoKnownAs": [ "https://fosstodon.org/users/cygnusx11" ], "publicKey": { "id": "https://mas.to/users/cygnusx11#main-key", "owner": "https://mas.to/users/cygnusx11", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5oYSAOsGuUqENd/F1iqz\n0kfG7n4D5B3NdSTysPWUzM0QSyek7VXPPAFBU6NAohr3qORUvZVnNnOOqwFVAhKq\n4JFUlWTSbq8RhFN81/3ScrjFj0EMyuYNpUxGGCEeIwHCq4OeE6ehHWKhpNw0s9dz\n/qWIf28g17hwIR6CUQoaT8JVtOB3RCIlAM4HXjpBA7kevi51LZK55Et4efa9qzlh\nX6+AsKxo2GJJllACgc1N/KVgcsy2upPFdPgiFxoUQjtld8EhVtwEwcaPh9MLpSHq\ny+8mrTqTi83IDcXWktCrKx1jdHiNfP1RXpJzIS1CP8+HdIYnO8qaYUEn+z1Ua/Ky\n+wIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "id": "https://mas.to/emojis/150989", "type": "Emoji", "name": ":archlinux:", "updated": "2023-01-31T02:32:19Z", "icon": { "type": "Image", "mediaType": "image/png", "url": "https://media.mas.to/custom_emojis/images/000/150/989/original/deb7262b355df665.png" } }, { "id": "https://mas.to/emojis/150987", "type": "Emoji", "name": ":anarchy:", "updated": "2025-02-13T14:05:11Z", "icon": { "type": "Image", "mediaType": "image/png", "url": "https://media.mas.to/custom_emojis/images/000/150/987/original/c0663f51c7445d3f.png" } }, { "id": "https://mas.to/emojis/764300", "type": "Emoji", "name": ":lineageos:", "updated": "2025-03-13T11:01:23Z", "icon": { "type": "Image", "mediaType": "image/png", "url": "https://media.mas.to/custom_emojis/images/000/764/300/original/ba8b577ea0f735a3.png" } }, { "id": "https://mas.to/emojis/639603", "type": "Emoji", "name": ":pansexual:", "updated": "2024-06-18T07:52:00Z", "icon": { "type": "Image", "mediaType": "image/png", "url": "https://media.mas.to/custom_emojis/images/000/639/603/original/b169ec3c857c0e2c.png" } }, { "id": "https://mas.to/emojis/151137", "type": "Emoji", "name": ":tux:", "updated": "2023-01-31T02:50:44Z", "icon": { "type": "Image", "mediaType": "image/png", "url": "https://media.mas.to/custom_emojis/images/000/151/137/original/e95f43821d2c69b5.png" } }, { "id": "https://mas.to/emojis/15559", "type": "Emoji", "name": ":transgender:", "updated": "2023-01-30T20:02:16Z", "icon": { "type": "Image", "mediaType": "image/png", "url": "https://media.mas.to/custom_emojis/images/000/015/559/original/ad55fd0c1c802a44.png" } } ], "attachment": [ { "type": "PropertyValue", "name": "Politics", "value": "Anarchist always! No one should have to go without basic necessities like health care, food, clothing, and shelter." }, { "type": "PropertyValue", "name": "Linux", "value": "Arch Linux and i3 window manager. I don&#39;t and never will need a full desktop environment. I prefer something slim and fast with quick access to the CLI." }, { "type": "PropertyValue", "name": "Music", "value": "I love all sorts of music. What I listen to depends on my mood. The key to my heart is through Death Metal, Thrash, Hardcore, Punk and Ska." }, { "type": "PropertyValue", "name": "Other distros I like", "value": "Linux From Scratch, Gentoo, GUIX and NIXOS" } ], "endpoints": { "sharedInbox": "https://mas.to/inbox" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://media.mas.to/accounts/avatars/114/417/285/863/547/796/original/a666f3066300531b.png" }, "image": { "type": "Image", "mediaType": "image/png", "url": "https://media.mas.to/accounts/headers/114/417/285/863/547/796/original/e3d9ae5252a09b8d.png" } }