X402_HEADER_IDEMPOTENCY_KEY
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constX402_HEADER_IDEMPOTENCY_KEY:"Idempotency-Key"
Defined in: src/x402/encoding.ts:71
Name of the optional request header that carries a reasoning-step idempotency
key (M5-1). Standard Idempotency-Key (IETF draft / Stripe-compatible). When
present, the x402 server deduplicates on this logical key; the EIP-3009 nonce
remains the on-chain fund backstop. See docs/rfc/m5-1-reasoning-step-idempotency.md.