ChainCheck API – Instant validation for 120+ cryptocurrency addresses

Summary: ChainCheck API provides instant validation of cryptocurrency addresses across more than 120 blockchain networks via a secure, lightweight REST API. It helps prevent errors by verifying address formats before transactions occur.

What it does

It validates crypto addresses programmatically by accepting an address and chain symbol through a simple API endpoint, supporting major chains like ETH, BTC, SOL, and ADA.

Who it's for

Developers and products needing reliable address validation across multiple blockchains to reduce transaction errors.

Why it matters

It prevents costly mistakes caused by invalid or mistyped crypto addresses before funds are sent on-chain.