Solana RPC — Direct Blockchain Interaction The Solana JSON-RPC API provides direct read/write access to the blockchain. Use it for account state queries, token balance lookups, transaction building and submission, and program account enumeration. This is the low-level foundation when higher-level APIs (Birdeye, Helius, SolanaTracker) don't have the data you need. Quick Start RPC Providers | Provider | Free Tier | Paid | Notes | |----------|-----------|------|-------| | Helius | 50K credits/day | $49+/mo | Enhanced RPCs, DAS API | | QuickNode | Limited | $49+/mo | Multi-chain, WebSocket | | Tr…