Optimism RPC

The 4EVERLAND RPC request data format follows the Ethereum standard JSON-RPC and supports all methods specified in the Ethereum JSON RPC. This tutorial will illustrate the request method for the eth_getBalance as an example. Other methods can be referenced using this example.

API Endpoints

The requested URL, combined with the API Key, is as follows:

Endpoint(https): https://opt-mainnet.4everland.org/v1/{apikey}

Endpoint(wss): wss://opt-mainnet.4everland.org/ws/v1/{apikey}


Take eth_getBalance method as an example


  1. DATA, 20 Bytes - address to check for balance.

  2. QUANTITY|TAG - integer block number, or the string "latest", "earliest" or "pending"

params: ["0x407d73d8a49eeb85d32cf465507dd71d507100c1", "latest"]

Request Example

curl --request POST \
     --url https://opt-mainnet.4everland.org/v1/1659dfb40aa24bbb8153a677b98064d7 \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --data '
  "id": 1,
  "jsonrpc": "2.0",
  "params": [
  "method": "eth_getBalance"

Response Example

  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x2eb9bcf4ec145"


For Optimism, the supported chain is currently limited to Mainnet.

If you have any questions, please join our Discord server, or send us an email at contact@4everland.org.

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