qntx/r402

x402 Payment Protocol SDK for Rust.

Rust154 stars34 forks

Topics

#rust#x402#ethereum#solana#x402-facilitator

What it does

r402 is a modular Rust SDK designed for the x402 payment protocol, enabling client signing, server gating, and facilitator settlement over HTTP 402. It enhances the functionality of the previous x402-rs implementation with new features like Permit2 transfers and lifecycle hooks.

Star history

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Tracking

Last trending: 2026-02-21

Creator kit

Hook

Unlock the power of payments with the r402 SDK for Rust, tailored for the x402 payment protocol!

Content angles

Create a tutorial on integrating the r402 SDK into a Rust application for payment processing.
Discuss the advantages of using the x402 payment protocol in modern web applications.
Explore the differences between r402 and its predecessor x402-rs, highlighting new features.

Who should care

Developers looking to implement payment solutions in Rust applications.