> ## Documentation Index > Fetch the complete documentation index at: https://docs.deribit.com/llms.txt > Use this file to discover all available pages before exploring further. # announcements > General announcements concerning the Deribit platform. Subscribe to receive operational messages such as maintenance notices, incidents, and important platform updates. ## AsyncAPI ````yaml specifications/deribit_asyncapi.json announcements id: announcements title: 'announcements ' description: > General announcements concerning the Deribit platform. Subscribe to receive operational messages such as maintenance notices, incidents, and important platform updates. servers: - id: production protocol: wss host: deribit.com/ws/api/v2 bindings: [] variables: [] - id: testnet protocol: wss host: test.deribit.com/ws/api/v2 bindings: [] variables: [] address: announcements parameters: [] bindings: [] operations: - &ref_2 id: send_subscribe_announcements title: Send subscribe request description: Client sends subscription request for announcements type: send messages: - &ref_4 id: subscription_message contentType: application/json payload: - name: Subscription Notification Data description: Server sends subscription notification data type: object properties: - name: data type: object required: true properties: - name: id type: integer description: Announcement's identifier required: false - name: title type: string description: Announcement's title required: false - name: body type: string description: HTML-formatted announcement body required: false - name: publication_timestamp type: integer description: >- The timestamp (milliseconds since the Unix epoch) of announcement publication required: false - name: important type: boolean description: Whether the announcement is marked as important required: false - name: confirmation type: boolean description: >- Whether the user confirmation is required for this announcement required: false - name: unread type: integer description: >- The number of previous unread announcements (optional, only for authorized users). required: false - name: action type: string description: >- Action taken by the platform administrators. Published a `new` announcement, or `delete`d the old one enumValues: - new - deleted required: false headers: [] jsonPayloadSchema: type: object description: Response containing notification data properties: data: type: object properties: id: type: integer description: Announcement's identifier example: 1532593832021 x-parser-schema-id: title: type: string description: Announcement's title example: Example announcement x-parser-schema-id: body: type: string description: HTML-formatted announcement body example: Lorem ipsum dolor sit amet, consectetur adipiscing elit. x-parser-schema-id: publication_timestamp: type: integer description: >- The timestamp (milliseconds since the Unix epoch) of announcement publication example: 1532593832021 x-parser-schema-id: important: type: boolean description: Whether the announcement is marked as important x-parser-schema-id: confirmation: type: boolean description: >- Whether the user confirmation is required for this announcement x-parser-schema-id: unread: type: integer description: >- The number of previous unread announcements (optional, only for authorized users). x-parser-schema-id: action: type: string description: >- Action taken by the platform administrators. Published a `new` announcement, or `delete`d the old one enum: - new - deleted x-parser-schema-id: required: - id - action - title - body - publication_timestamp - important additionalProperties: false x-parser-schema-id: required: - data additionalProperties: false x-parser-schema-id: title: Subscription Notification Data description: Server sends subscription notification data example: |- { "data": { "id": 123, "title": "", "body": "", "publication_timestamp": 123, "important": true, "confirmation": true, "unread": 123, "action": "" } } bindings: [] extensions: - id: x-parser-unique-object-id value: subscription_message bindings: [] extensions: &ref_0 - id: x-parser-unique-object-id value: announcements - &ref_1 id: receive_announcements title: Receive announcements description: Client receives announcements notifications type: receive messages: - &ref_3 id: subscribe_request contentType: application/json payload: - name: Subscription Request description: >- Client sends subscription request to subscribe to notification channel. Please refer to [Notification page](https://deribit.mintlify.app/articles/notifications) for more information. type: object properties: [] headers: [] jsonPayloadSchema: properties: {} additionalProperties: false x-parser-schema-id: title: Subscription Request description: >- Client sends subscription request to subscribe to notification channel. Please refer to [Notification page](https://deribit.mintlify.app/articles/notifications) for more information. example: |- { "jsonrpc": "2.0", "method": "public/subscribe", "id": 42, "params": { "channels": [ "announcements" ] } } bindings: [] extensions: - id: x-parser-unique-object-id value: subscribe_request bindings: [] extensions: *ref_0 sendOperations: - *ref_1 receiveOperations: - *ref_2 sendMessages: - *ref_3 receiveMessages: - *ref_4 extensions: - id: x-parser-unique-object-id value: announcements securitySchemes: [] ````