x402 Payments (Hedera) Pay-per-use pattern: store protected bytes off-chain, record access terms separately (on-chain or config), gate HTTP resources with HTTP 402 + a self-hosted Hedera facilitator that verifies and settles native HBAR transfers. The resource server never holds facilitator keys . Settlement uses a funded ECDSA fee-payer account on the facilitator process. Quick Reference | Piece | Role | | ----- | ---- | | Payment asset | — native HBAR; amounts in tinybars (1 HBAR = 1e8) | | Resource server | + → talks to facilitator over HTTP | | Facilitator | , , , | | Client | Request → r…