slotUnsubscribe | Solana

The slotUnsubscribe method in Solana allows a client to unsubscribe from a slot subscription. This method can be used to cancel an existing subscription to slot updates.

See also slotSubscribe | Solana.

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Parameters

• integer - The ID of the subscription that you want to cancel. This is the subscription ID that was returned when calling slotSubscribe.

Response

• boolean - A boolean value indicating if the subscription was removed successfully. true if removed successfully, false if not.

slotUnsubscribe code examples

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Note that subscriptions require a WebSocket connection. You can use a WebSocket client library for your programming language of choice to interact with Solana's WebSocket API.

$ wscat -c YOUR_CHAINSTACK_WEBSOCKET_ENDPOINT
# Wait for the connection to be established

Connected (press CTRL+C to quit)

> {"jsonrpc":"2.0","id":1,"method":"slotUnsubscribe","params":[0]}

Use case

The slotUnsubscribe method is important for proper resource management in applications that use slot subscriptions. Common use cases include:

• Cleanup: Remove slot subscriptions when monitoring is no longer needed
• Resource management: Free up system resources by unsubscribing from unused slot notifications
• Connection handling: Clean up subscriptions during application shutdown or WebSocket disconnections
• Subscription rotation: Remove old subscriptions when establishing new ones

By properly managing slot subscriptions through unsubscribe calls, applications can maintain optimal performance and prevent resource leaks.