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Query on-chain wallet balances and token holdings with support for both real-time and historical (point-in-time) data.

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Base URL

https://api-gateway.sonarx.com

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Authentication

All requests require an API key in the apikey header.

EVM Token Balances

Query token balances across 21 EVM chains including Ethereum, Arbitrum, Base, Polygon, and more. Supports current balances and point-in-time queries by block number.

Solana Balances

Query SOL and SPL token balances with historical snapshots at 10-minute intervals or real-time data directly from Solana RPC.