Polygon RPC

The 4EVERLAND RPC request data format adheres to the Ethereum standard JSON-RPC and supports most methods specified in the PolygonRPC API Reference (including Ethereum,Net,Web3,Debug,TxPool). This tutorial will provide an example of the request format for the eth_getBalance method, which can be used as a reference for other methods.

API Endpoints

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

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

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

Example

Task the eth_getBalance method as an example

Parameters

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://polygon-mainnet.4everland.org/v1/1659dfb40aa24bbb8153a677b98064d7 \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "params": [
    "0x145BD3C05D8d3117d133f577fa9af538ba353e8C",
    "latest"
  ],
  "method": "eth_getBalance"
}
'

Response Example

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

Networks

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

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