EthereumEthereum API Endpoints

eth_subscribe

Subscribes to specific event types and returns a subscription ID to receive asynchronous notifications via the eth_subscription method.

Path parameters

apiKeystringRequired

Request

This endpoint expects an object.
Subscription TypestringOptional

The type of event to subscribe to (e.g., “newHeads”, “logs”, “newPendingTransactions”, “syncing”).

Optionsmap from strings to anyOptional

Optional subscription parameters, such as filtering topics for logs.

Response

A unique identifier for the subscription, returned as a 32-byte hex string.