말 그대로 400에러가 일어납니다 ``` console.log('토스페이먼츠 빌링키 요청:', { method: 'CARD', successUrl: '{{ url(route("settings.bill.card.register.success")) }}', failUrl: '{{ url(route("settings.bill.card.register.fail")) }}', customerEmail: customerEmail, customerName: customerName, }); // 빌링키 발급 요청 await payment.requestBillingAuth({ method: 'CARD', successUrl: '{{ url(route("settings.bill.card.register.success")) }}', failUrl: '{{ url(route("settings.bill.card.register.fail")) }}', customerEmail: customerEmail, customerName: customerName, }); ``` 콘솔 ``` customerEmail: "dealer@amuz.co.kr" customerName: "dealer" failUrl: "https://dealer.dealer-desk.test/settings/bill/card/register/fail" method: "CARD" successUrl: "https://dealer.dealer-desk.test/settings/bill/card/register/success" ```