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Rust

We are building Rust support for 4Mica based on the client integration roadmap shared here. HTTP client wrappers for Rust are coming soon. A reqwest-based wrapper with automatic 402 handling is on the roadmap. In the meantime, you can call the facilitator API directly or use the Rust SDK for collateral and wallet operations.

What Is Planned

  • reqwest middleware layer with automatic 402 retry.
  • FourMicaEvmScheme Rust implementation for EIP-712 guarantee signing.
  • Unique request ID generation and X-PAYMENT / PAYMENT-SIGNATURE header construction.
  • Multi-network client registry.