If you’re into Web3, chances are you’ve already heard about Polygon — a lightning-fast, low-fee blockchain that’s fully compatible with Ethereum. It powers DeFi apps, wallets, NFT marketplaces, and basically half of the Web3 world. But here’s the thing: before your app or wallet can interact with Polygon, you need a Polygon RPC URL. That’s the digital doorway between your app and the blockchain. Through RPC, you can check balances, send transactions, and talk to smart contracts.
Now, you could try running your own Polygon node… but trust me, it’s expensive, time-consuming, and requires constant babysitting. That’s why thousands of devs choose NOWNodes — we give you instant, reliable RPC access, no setup required.
Connecting via NOWNodes: Quick Start
- Sign up and get your free API key at NOWNodes.
- Use this endpoint:
- Full Node:
matic.nownodes.io - Explorer:
maticbook.nownodes.io - WebSocket:
matic.nownodes.io/wss - BlockBook WebSocket:
maticbook.nownodes.io/wss
- Full Node:
- Plug it into your wallet, dApp, or backend — done.
For example, adding Polygon to MetaMask is as easy as pasting your NOWNodes RPC URL, setting chain ID to 137, and you’re good to go.
A Tiny Example
Want to grab a wallet’s balance on Polygon? Here’s a quick JS snippet:
curl https://matic.nownodes.io -X POST -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"eth_getBalance","params":["0x407d73d8a49eeb85d32cf465507dd71d507100c1", "latest"],"id":1}'Simple as that — you just talked to Polygon through NOWNodes.
Why Use NOWNodes?
Because it lets you skip the boring stuff and focus on building. No node maintenance, no downtime, no headaches. Just smooth, reliable access to Polygon — whether you’re building a wallet, a DeFi protocol, or your next big Web3 idea.
Ready to try? Grab your API key today at NOWNodes Polygon RPC.
