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", "Hashtag": "as:Hashtag", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://hpi.social/users/Hasso_Plattner_Institute", "type": "Person", "following": "https://hpi.social/users/Hasso_Plattner_Institute/following", "followers": "https://hpi.social/users/Hasso_Plattner_Institute/followers", "inbox": "https://hpi.social/users/Hasso_Plattner_Institute/inbox", "outbox": "https://hpi.social/users/Hasso_Plattner_Institute/outbox", "featured": "https://hpi.social/users/Hasso_Plattner_Institute/collections/featured", "featuredTags": "https://hpi.social/users/Hasso_Plattner_Institute/collections/tags", "preferredUsername": "Hasso_Plattner_Institute", "name": "Hasso Plattner Institute", "summary": "<p>The Hasso Plattner Institute combines excellent <a href=\"https://hpi.social/tags/research\" class=\"mention hashtag\" rel=\"tag\">#<span>research</span></a> and <a href=\"https://hpi.social/tags/teaching\" class=\"mention hashtag\" rel=\"tag\">#<span>teaching</span></a> in <a href=\"https://hpi.social/tags/DigitalEngineering\" class=\"mention hashtag\" rel=\"tag\">#<span>DigitalEngineering</span></a></p>", "url": "https://hpi.social/@Hasso_Plattner_Institute", "manuallyApprovesFollowers": false, "discoverable": true, "published": "2023-03-03T00:00:00Z", "devices": "https://hpi.social/users/Hasso_Plattner_Institute/collections/devices", "publicKey": { "id": "https://hpi.social/users/Hasso_Plattner_Institute#main-key", "owner": "https://hpi.social/users/Hasso_Plattner_Institute", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtTrwR0zdZHSl5Uwq/5FI\n5qKdT77VtYC2Yca2Sk1J3egzoT0T/CeqUENZDgK1uW7IOft07jav14MPlrWjl0yh\nsajQsqtqr/fomvT1WvLVFQvzuJE5JRPEtvS7F70JXS1hqHM8npA15QqD6I+R8a+M\nOkq6gbPDYUCrEIPBsfSumIAwyJWJr/lIvSIbup3rjJzvRDatVXGuLsLi278MaKD6\nmx/WeM7ak+AdmhwHTE4/O/iQsJphKzk9z2vOaKk6RcyT67cuteRj0d5WYMYw2iB5\n/htvA9uWsa/JjI9PXuqXUSzw8IdDupso/FSuPqqnKpcZnCsFlHw368zdt53qzrYW\nJQIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "type": "Hashtag", "href": "https://hpi.social/tags/research", "name": "#research" }, { "type": "Hashtag", "href": "https://hpi.social/tags/teaching", "name": "#teaching" }, { "type": "Hashtag", "href": "https://hpi.social/tags/digitalengineering", "name": "#digitalengineering" } ], "attachment": [ { "type": "PropertyValue", "name": "Website", "value": "<a href=\"https://www.hpi.de\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\"><span class=\"invisible\">https://www.</span><span class=\"\">hpi.de</span><span class=\"invisible\"></span></a>" }, { "type": "PropertyValue", "name": "LinkedIn", "value": "<a href=\"https://www.linkedin.com/school/258692/admin/\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">linkedin.com/school/258692/adm</span><span class=\"invisible\">in/</span></a>" }, { "type": "PropertyValue", "name": "Instagram", "value": "<a href=\"https://www.instagram.com/hpi_de\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\"><span class=\"invisible\">https://www.</span><span class=\"\">instagram.com/hpi_de</span><span class=\"invisible\"></span></a>" } ], "endpoints": { "sharedInbox": "https://hpi.social/inbox" }, "icon": { "type": "Image", "mediaType": "image/jpeg", "url": "https://s3.openhpicloud.de/hpi-social-mastodon/accounts/avatars/109/958/894/958/380/866/original/f3e2341d1d68c2a4.jpg" }, "image": { "type": "Image", "mediaType": "image/jpeg", "url": "https://s3.openhpicloud.de/hpi-social-mastodon/accounts/headers/109/958/894/958/380/866/original/14f3b02030b17529.jpg" } }