Initial commit

internal/api/payment/interface.go

@@ -0,0 +1,14 @@
+package payment
+
+import "github.com/gin-gonic/gin"
+
+// PaymentHandler defines the interface for payment operations
+type PaymentHandler interface {
+	CreatePayment(c *gin.Context)
+}
+
+// CreatePaymentRequest defines the payload for creating a payment
+type CreatePaymentRequest struct {
+	PlanID string  `json:"plan_id" binding:"required"`
+	Amount float64 `json:"amount" binding:"required"`
+}