scematica-protocol
A Rust-native implementation of the x402 (HTTP 402 Payment Required)
payment standard for Solana — the payment facilitator used by the
Scematica stack to meter and settle
paid API calls in USDC.
Ships a protocol binary (an axum HTTP server) plus the library types
(PaymentRequirements, PaymentGate, facilitator/settlement helpers) other
crates embed.
License
MIT