HostOP Mainnet
NexFlow › Networks › OP Mainnet
live — RPC endpoint serving RPC endpointOur OP Mainnet presence is the relay: a public JSON-RPC endpoint, free for baseline reads, with a flat $25/30-day key or a per-call x402 lane (USDC, no signup) for volume.
POST https://nexflowscan.com/api/rpc/optimism
x402: POST https://rpc.nexflowscan.com/api/v1/x402/rpc/optimism
OP Mainnet RPC docs — curl examples + pricing