Guides about NOWNodes pricing, plans, usage, supported networks, and RPC infrastructure choices.
NOWNodes offers free RPC access to a range of blockchain networks through a single API key. This guide explains how the free tier works, how to connect, and what to check before relying on it.
Read guideA NOWNodes RPC API key authenticates your requests to NOWNodes' blockchain node infrastructure. This guide explains how to obtain the key, use it in RPC calls, and secure it in production.
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Polygon
Base
Arbitrum
BNB Chain
Polkadot
Optimism