ChainCheckAPI
Validate Crypto Addresses Instantly.
The lightweight validation layer for 100+ chains. Verify addresses with sub-millisecond latency.
api-example.sh
Request
POST /v1/validate
{
"address": "0x742d35Cc...f44cb",
"chain": "ETH"
}
Response
{
"chain": "ETH",
"address": "0x742d35Cc...f44cb",
"valid": true,
"usage_left": "99",
}
Trusted validation for the world's top networks
Bitcoin
Ethereum
Solana
Polygon
Avalanche