• Ankr Build
  • Supported Chains
  • Polygon

Polygon

Polygon, (formerly MATIC) is a protocol and a framework for building and connecting Ethereum-compatible blockchain networks. It aggregates scalable solutions on Ethereum supporting a multi-chain Ethereum ecosystem.

Quick links

Polygon

Docs

Github


Connect wallet

You can set up your MetaMask wallet to connect to Polygon RPC. You can then perform transactions and interact with the network.

Get started

  1. Open your Metamask Extension and click the 'Network' drop down menu at the top.
  2. Select 'Custom RPC'.
  3. Enter the settings for the required project as follows in the table below:
ChainCustom RPC CategoryDetails
PolygonNETWORK NAME:Polygon RPC
NEW RPC URL:https://rpc.ankr.com/polygon
CHAIN ID:137
SYMBOL:MATIC

Integrate code

web3 library

  • clientVersion

Returns the current client version.

Example request

curl https://rpc.ankr.com/polygon \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{"jsonrpc":"2.0","method":"web3_clientVersion","params":[],"id":1}'

Example response

{"jsonrpc":"2.0","id":1,"result":"bor/v0.2.14-stable-10c4e89f/linux-amd64/go1.17.3"}

net library

  • net_version

Returns the current network id.

Example request

  
  curl https://rpc.ankr.com/polygon\
  -X POST \
  -H "Content-Type: application/json" \
  --data '{"jsonrpc":"2.0","method":"net_version","params":[],"id":67}'

Example response

{"jsonrpc":"2.0","id":67,"result":"137"}

eth library

Example request


curl https://rpc.ankr.com/polygon \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":67}'

Example response

{"jsonrpc":"2.0","id":67,"result":"0x18be35a"}