Check USDT (BEP20) Wallet Balance In PHP & Laravel
Learn how to check a USDT (BEP20) wallet balance on BNB Smart Chain using PHP and Laravel. This guide covers the eth_call JSON-RPC method, ABI-encoded balanceOf requests, and precision-safe GMP conversion for 18-decimal token balances. Includes production-ready code, Laravel service classes, Artisan commands, caching strategies, multi-wallet batch lookups, and RPC error troubleshooting — everything needed to reliably fetch BEP20 USDT balances in real-world PHP applications.