{"examples":[{"name":"free reversible lookup","expects":"TRY_FREE","input":{"phase":"preflight","endpoint":"https://example.invalid/api/search","method":"GET","observed_at":"2026-10-04","source_urls":["https://example.invalid/discovery"],"price_usdc":"0","spend_cap_usdc":"0","request_reversible":true}},{"name":"capped paid preflight","expects":"TRY_CAPPED","input":{"phase":"preflight","endpoint":"https://example.invalid/api/report","method":"POST","observed_at":"2026-10-04","source_urls":["https://example.invalid/terms"],"price_usdc":"0.001","spend_cap_usdc":"0.002","request_reversible":true,"prepayment_cancelable":true,"network":"eip155:8453","payment_header_shape":"PAYMENT-SIGNATURE x402 v2","unpaid_transcript":true}},{"name":"irreversible request preflight","expects":"HOLD","input":{"phase":"preflight","endpoint":"https://example.invalid/api/report","method":"POST","observed_at":"2026-10-04","source_urls":["https://example.invalid/terms"],"price_usdc":"0.001","spend_cap_usdc":"0.002","request_reversible":false,"prepayment_cancelable":true,"network":"eip155:8453","payment_header_shape":"PAYMENT-SIGNATURE x402 v2","unpaid_transcript":true}}]}