Integration

x402

Same Intent → Authorize → Reserve → Execute → Observe → Reconcile → Evidence; x402-guard enforces policy before sign.

x402

● ADAPTER
  • Pre-sign policy✓
  • Replay✓
  • Rolling budgets✓

Failure coverageAPF-001 · APF-002

Execution rail inside Gateway — not a separate product.

Try: railguard attack

Reproduce this proof

Same commands and repo paths we use for testnet verification.

Verify
railguard attack
Code
packages/kernel/src/adapters/x402Rail.ts
Rail
x402

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