> ## 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. # block_trade_confirmations.(currency) > Provides notifications regarding block trade approval. Supports filtering by currency. Subscribe to this channel to receive notifications about pending block trades that require your approval, filtered by a specific currency. **📖 Related Article:** [Block Trading](https://docs.deribit.com/articles/block-trading-api) ## AsyncAPI ````yaml specifications/deribit_asyncapi.json block_trade_confirmations.(currency) id: block_trade_confirmations.(currency) title: 'block_trade_confirmations.(currency) ' description: > Provides notifications regarding block trade approval. Supports filtering by currency. Subscribe to this channel to receive notifications about pending block trades that require your approval, filtered by a specific currency. **📖 Related Article:** [Block Trading](https://docs.deribit.com/articles/block-trading-api) 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: block_trade_confirmations.(currency) parameters: - id: currency jsonSchema: type: string description: |- Currency code or `any` for all **Allowed values:** `BTC`, `ETH`, `USDC`, `USDT`, `EURR`, `any` enum: - BTC - ETH - USDC - USDT - EURR - any description: |- Currency code or `any` for all **Allowed values:** `BTC`, `ETH`, `USDC`, `USDT`, `EURR`, `any` type: string required: true deprecated: false bindings: [] operations: - &ref_2 id: send_subscribe_block_trade_confirmations_currency title: Send subscribe request for block_trade_confirmations description: Client sends subscription request for block_trade_confirmations updates 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: nonce type: string description: >- Nonce that can be used to approve or reject pending block trade. required: false - name: timestamp type: integer description: >- Timestamp that can be used to approve or reject pending block trade. required: false - name: trades type: object required: false properties: - name: instrument_name type: string description: Unique instrument identifier required: false - name: direction type: string description: 'Direction: `buy`, or `sell`' enumValues: - buy - sell required: false - name: price type: number description: Price in base currency required: false - name: amount type: number description: >- Trade amount. For perpetual and inverse futures the amount is in USD units. For options and linear futures it is the underlying base currency coin. required: false - name: app_name type: string description: >- The name of the application that executed the block trade on behalf of the user (optional). required: false - name: username type: string description: Username of the user who initiated the block trade. required: false - name: role type: string description: 'Trade role of the user: `maker` or `taker`' enumValues: - maker - taker required: false - name: user_id type: integer description: Unique user identifier required: false - name: broker_code type: string description: Broker code associated with the broker block trade. required: false - name: broker_name type: string description: Name of the broker associated with the block trade. required: false - name: state type: object description: State of the pending block trade for current user. required: false - name: counterparty_state type: object description: >- State of the pending block trade for the other party (optional). required: false - name: combo_id type: string description: Combo instrument identifier required: false headers: [] jsonPayloadSchema: type: object description: Response containing notification data properties: data: type: object properties: nonce: type: string description: >- Nonce that can be used to approve or reject pending block trade. example: bF1_gfgcsd x-parser-schema-id: timestamp: type: integer description: >- Timestamp that can be used to approve or reject pending block trade. x-parser-schema-id: trades: type: object description: '' properties: instrument_name: type: string description: Unique instrument identifier example: BTC-PERPETUAL x-parser-schema-id: direction: type: string description: 'Direction: `buy`, or `sell`' enum: - buy - sell x-parser-schema-id: price: description: Price in base currency type: number x-parser-schema-id: amount: type: number description: >- Trade amount. For perpetual and inverse futures the amount is in USD units. For options and linear futures it is the underlying base currency coin. x-parser-schema-id: required: - instrument_name - direction - price - amount additionalProperties: false x-parser-schema-id: app_name: type: string description: >- The name of the application that executed the block trade on behalf of the user (optional). example: Example Application x-parser-schema-id: username: type: string description: Username of the user who initiated the block trade. example: Trader x-parser-schema-id: role: description: 'Trade role of the user: `maker` or `taker`' type: string enum: - maker - taker x-parser-schema-id: user_id: description: Unique user identifier type: integer example: 57874 x-parser-schema-id: broker_code: type: string description: Broker code associated with the broker block trade. example: jpqYKgg1 x-parser-schema-id: broker_name: type: string description: Name of the broker associated with the block trade. example: Test Broker x-parser-schema-id: state: type: object description: State of the pending block trade for current user. x-parser-schema-id: counterparty_state: type: object description: >- State of the pending block trade for the other party (optional). x-parser-schema-id: combo_id: type: string description: Combo instrument identifier example: BTC-CS-27JUN25-80000_85000 x-parser-schema-id: required: - nonce - timestamp - trades - app_name - role - user_id - state 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": { "nonce": "bt-jdqv98", "role": "maker", "user_id": 7, "state": { "value": "rejected", "timestamp": 1711468632693 }, "trades": [ { "instrument_name": "BTC-PERPETUAL", "price": 70246.66, "direction": "buy", "amount": 10 } ], "timestamp": 1711468468131 } } bindings: [] extensions: - id: x-parser-unique-object-id value: subscription_message bindings: [] extensions: &ref_0 - id: x-parser-unique-object-id value: block_trade_confirmations.(currency) - &ref_1 id: receive_block_trade_confirmations_currency_updates title: Receive block_trade_confirmations updates description: Client receives block_trade_confirmations update 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": [ "block_trade_confirmations.(currency)" ] } } 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: block_trade_confirmations.(currency) securitySchemes: [] ````