diff --git a/src/main/java/com/acquirex/approval/domain/ApprovalRequest.java b/src/main/java/com/acquirex/approval/domain/ApprovalRequest.java
new file mode 100644
index 0000000..926f18f
--- /dev/null
+++ b/src/main/java/com/acquirex/approval/domain/ApprovalRequest.java
@@ -0,0 +1,90 @@
+package com.acquirex.approval.domain;
+
+import jakarta.persistence.*;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Positive;
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+
+@Entity
+@Table(name = "approval_requests")
+public class ApprovalRequest {
+
+    public enum ApprovalStatus {
+        PENDING, APPROVED, DECLINED, CANCELLED, ERROR
+    }
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @NotBlank
+    @Column(name = "card_number", length = 19)
+    private String cardNumber;
+
+    @NotBlank
+    @Column(name = "merchant_id", length = 15)
+    private String merchantId;
+
+    @NotNull
+    @Positive
+    @Column(name = "amount", precision = 15, scale = 2)
+    private BigDecimal amount;
+
+    @NotBlank
+    @Column(name = "currency", length = 3)
+    private String currency;
+
+    @Enumerated(EnumType.STRING)
+    @Column(name = "status", length = 20)
+    private ApprovalStatus status;
+
+    @Column(name = "approval_code", length = 10)
+    private String approvalCode;
+
+    @Column(name = "created_at")
+    private LocalDateTime createdAt;
+
+    @Column(name = "updated_at")
+    private LocalDateTime updatedAt;
+
+    public ApprovalRequest() {}
+
+    public ApprovalRequest(String cardNumber, String merchantId, BigDecimal amount, String currency) {
+        this.cardNumber = cardNumber;
+        this.merchantId = merchantId;
+        this.amount = amount;
+        this.currency = currency;
+        this.status = ApprovalStatus.PENDING;
+        this.createdAt = LocalDateTime.now();
+    }
+
+    @PrePersist
+    protected void onCreate() {
+        createdAt = LocalDateTime.now();
+        updatedAt = LocalDateTime.now();
+    }
+
+    @PreUpdate
+    protected void onUpdate() {
+        updatedAt = LocalDateTime.now();
+    }
+
+    public Long getId() { return id; }
+    public void setId(Long id) { this.id = id; }
+    public String getCardNumber() { return cardNumber; }
+    public void setCardNumber(String cardNumber) { this.cardNumber = cardNumber; }
+    public String getMerchantId() { return merchantId; }
+    public void setMerchantId(String merchantId) { this.merchantId = merchantId; }
+    public BigDecimal getAmount() { return amount; }
+    public void setAmount(BigDecimal amount) { this.amount = amount; }
+    public String getCurrency() { return currency; }
+    public void setCurrency(String currency) { this.currency = currency; }
+    public ApprovalStatus getStatus() { return status; }
+    public void setStatus(ApprovalStatus status) { this.status = status; }
+    public String getApprovalCode() { return approvalCode; }
+    public void setApprovalCode(String approvalCode) { this.approvalCode = approvalCode; }
+    public LocalDateTime getCreatedAt() { return createdAt; }
+    public LocalDateTime getUpdatedAt() { return updatedAt; }
+}
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