Rust is a popular choice for performance-critical payment infrastructure — facilitators, proxies and high-throughput services where verification latency directly costs money. These crates implement the x402 flow for Rust servers and clients, with frameworks like axum and actix.
Here are the Rust x402 and agent-payment crates we track.
The Rust category right now
The directory currently tracks 74 Rust crates. machi leads the group with 566 stars, and 8 of them have cleared 100 stars. Half the group sits at 3 stars or below, which is the honest shape of this space today: a short head of real adoption and a long tail of experiments.
Rust (88%) and TypeScript (8%) dominate the implementation languages here, and qntx is the most prolific publisher with 3 Rust repositories. The recurring GitHub topics are rust, x402, payments.
25 of the 74 crates were updated in the last 30 days and 43 in the last 90 (58%), so activity is uneven — check the last-commit date before adopting. The newest entrant is AIephant-AI-Agent-Gateway, first published 2026-05.
Figures recomputed from the tracked repositories on every build.
