HTTP 402 Checkout Standard

Native Gateway for x402 Resource Layers

Streamline micro-monetization across standard API end-points. Fast, user-approved, stablecoin-settled payment flow for the machine-to-machine economy.

HTTP 402 Interface Active Relay Node Monitors API endpoint responses
Settlement Engine Stablecoin (USDC) Instant merchant pay-out
Security & Policy Double-spend Proof Equipped with replay shield
Developer Friendly Zero-Setup SDK Include checkout headers easily

Built for Native Web Commerce

x402 Payment Gateway provides robust API monetization infrastructure that satisfies high-frequency machine payment requirements without exposing user wallets.

01

Checkout Hand-off Relay

Seamlessly hands off native client-side payment required responses back to the merchant facilitator layer for transparent settlement processing.

02

Verified Proof Headers

Each transaction produces verified spending limit authorization and proof-of-payment header outputs preventing request tampering or replay abuse.

03

B2B Policy Controller

Enforce wallet permission parameters directly at the gateway layer. Control spending caps, permission periods and target API domains.

Latest Gateway & Protocol Insights

Stay updated with standard payment required implementations, stablecoin micro-transactions and monetization architecture.

Ready to Monetize Your API Resources?

Download our gateway integration packages and start processing stablecoin-settled payments natively within minutes.