{"simulated":true,"steps":[{"step":1,"action":"create checkout","request":"POST https://api.ogenalabs.com/api/gate402/v1/checkout/create","body":{"network":"solana","merchantPayTo":"<YOUR_SOLANA_ADDRESS>","amountUsd":"9.99","memo":"order-1"}},{"step":2,"action":"show buyer the terms","terms":{"scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","amount":"9990000","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"<YOUR_SOLANA_ADDRESS>","memo":"order-1","checkoutId":"chk_sandbox_demo"}},{"step":3,"action":"buyer pays merchant directly, then verify","request":"POST https://api.ogenalabs.com/api/gate402/v1/checkout/chk_sandbox_demo/verify","body":{"paymentSignature":"<base64 x402 PaymentPayload>"},"receipt":{"status":"paid","transaction":"<BUYER_TX_SIG>"}}]}