In April 2026, the Linux Foundation made x402 a public standard — backed by Coinbase, Google, AWS, Stripe, Visa, Cloudflare.
Two months later, the facilitators are already diverging.
Coinbase CDP rejects valid upto payloads. OpenGradient uses Permit2. OpenLedger uses EIP-712. Same standard, three incompatible implementations. AI agents lose money on every failed inference call.
@decision3/interouter-core is the first facilitator-agnostic middleware for x402. Unified 5-stage payment lifecycle: readState → preparePayment → sign → submit → awaitFinality
What's live today (v0.1.7):
