Skip to main content

JSON-RPC methods

Optimism uses the Go Ethereum (Geth) API and supports the standard Ethereum JSON-RPC-APIs.

For custom Optimism methods, please check the official Optimism Ethereum JSON-RPC API documentation.


The custom Optimism API is subject to change. Please refer to the official API documentation for the latest information.


The Optimism Bedrock migration supports different JSON-RPC methods. Refer to the Optimism Bedrock documentation for more information.