NexFlow › RPC › Monad Testnet

Monad Testnet RPC endpoint

Testnet JSON-RPC over HTTPS POST (chain id 10143). Baseline reads are free — no API key, no signup. After the first week of low-volume access, a flat $25/mo key (pay once in USDC on Solana or Base) unlocks volume; machine-payable x402 calls work out of the box.

Endpoint

https://nexflowscan.com/api/rpc/monad-testnet

Try it

curl -s -X POST https://nexflowscan.com/api/rpc/monad-testnet -H 'content-type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"eth_chainId","params":[]}'

All 82 supported chains