--- title: Instance description: Represents the software instance of Mastodon running on this domain. menu: docs: parent: entities --- ## Example ```javascript "uri": "mastodon.social", "title": "Mastodon", "short_description": "Server run by the main developers of the project \"🐘\" It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!", "description": "Server run by the main developers of the project \"🐘\" It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!", "email": "staff@mastodon.social", "version": "3.0.1", "urls": { "streaming_api": "wss://mastodon.social" }, "stats": { "user_count": 415526, "status_count": 17085754, "domain_count": 11834 }, "thumbnail": "https://files.mastodon.social/site_uploads/files/000/000/001/original/vlcsnap-2018-08-27-16h43m11s127.png", "languages": [ "en" ], "registrations": true, "approval_required": false, "contact_account": { "id": "1", "username": "Gargron", "acct": "Gargron", "display_name": "Eugen", "locked": false, "bot": false, "created_at": "2016-03-16T14:34:26.392Z", "note": "

Developer of Mastodon and administrator of mastodon.social. I post service announcements, development updates, and personal stuff.

", "url": "https://mastodon.social/@Gargron", "avatar": "https://files.mastodon.social/accounts/avatars/000/000/001/original/d96d39a0abb45b92.jpg", "avatar_static": "https://files.mastodon.social/accounts/avatars/000/000/001/original/d96d39a0abb45b92.jpg", "header": "https://files.mastodon.social/accounts/headers/000/000/001/original/c91b871f294ea63e.png", "header_static": "https://files.mastodon.social/accounts/headers/000/000/001/original/c91b871f294ea63e.png", "followers_count": 317112, "following_count": 453, "statuses_count": 60903, "last_status_at": "2019-11-26T21:14:44.522Z", "emojis": [], "fields": [ { "name": "Patreon", "value": "https://www.patreon.com/mastodon", "verified_at": null }, { "name": "Homepage", "value": "https://zeonfederated.com", "verified_at": "2019-07-15T18:29:57.191+00:00" } ] } } ``` ## Required attributes ### `uri` **Description:** The domain name of the instance. **Type:** String **Version history:** Added in 1.1.0 ### `title` **Description:** The title of the website. **Type:** String **Version history:** Added in 1.1.0 ### `description` **Description:** Admin-defined description of the Mastodon site. **Type:** String **Version history:** Added in 1.1.0 ### `short_description` **Description:** A shorter description defined by the admin. **Type:** String **Version history:** Added in 2.9.2 ### `email` **Description:** An email that may be contacted for any inquiries. **Type:** String **Version history:** Added in 1.1.0 ### `version` **Description:** The version of Mastodon installed on the instance. **Type:** String **Version history:** Added in 1.3.0 ### `languages` **Description:** Primary langauges of the website and its staff. **Type:** Array of String \(ISO 639 Part 1-5 language codes\) **Version history:** Added in 2.3.0 ### `registrations` **Description:** Whether registrations are enabled. **Type:** Boolean **Version history:** Added in 2.7.2 ### `approval_required` **Description:** Whether registrations require moderator approval. **Type:** Boolean **Version history:** Added in 2.9.2 ### `urls` **Description:** URLs of interest for clients apps. **Type:** Hash \(`streaming_api`\) **Version history:** Added in 1.4.2 #### `urls[streaming_api]` Websockets address for push streaming. String \(URL\). ### `stats` **Description:** Statistics about how much information the instance contains. **Type:** Hash \(`user_count`, `status_count`, `domain_count`\) **Version history:** Added in 1.6.0 #### `user_count` Users registered on this instance. Number. #### `status_count` Statuses authored by users on instance. Number. #### `domain_count` Domains federated with this instance. Number. ## Optional attributes ### `thumbnail` **Description:** Banner image for the website. **Type:** String \(URL\) or null **Version history:** Added in 1.6.1 ### `contact_account` **Description:** A user that can be contacted, as an alternative to `email`. **Type:** [Account](account.md) or null **Version history:** Added in 2.3.0 ## See also {{< page-ref page="methods/instance.md" >}} {{< caption-link url="https://github.com/tootsuite/mastodon/blob/master/app/serializers/rest/instance_serializer.rb" caption="app/serializers/rest/instance\_serializer.rb" >}}