# DevX Multichain Balances
> One call = native + major token balances (USDC, USDT, DAI, EURC, bridged USDC, WETH, WBTC/cbBTC) on Base, Ethereum, Arbitrum, Optimism, Polygon, Avalanche, BNB Chain, plus SOL + USDC/USDT on Solana and TRX + USDT on Tron, plus custom tokens. 0.002 USDC via x402 on Base. Live reads at the latest block (cache up to 20 s).
- Paid API (x402): GET /v1/balances?address=0x...,<solana>,<T...>[&chains=base,ethereum,solana,tron][&tokens=base:0xToken,solana:<mint>]
- Free API: GET /api/basic?address=...&chain=base|...|solana|tron (native + USDC, or USDT on Tron, one chain)
- Token list: /tokens.json  - OpenAPI: /openapi.json  - MCP: https://wallet-balances.nextill-pos.workers.dev/mcp
- Related: https://address-poisoning-check.nextill-pos.workers.dev (recipient lookalike check), https://tokencheck.madebydevx.com (token check)