diff --git a/src/main/java/com/banesco/App.java b/src/main/java/com/banesco/App.java
index 0966d3e..aa92054 100644
--- a/src/main/java/com/banesco/App.java
+++ b/src/main/java/com/banesco/App.java
@@ -1,5 +1,6 @@
 package com.banesco;
 
+import com.banesco.domain.model.BackResponse;
 import com.banesco.util.StringUtil;
 
 
@@ -10,7 +11,17 @@ import com.banesco.util.StringUtil;
 public class App 
 {
     public static void main( String[] args ) {
-boolean value = StringUtil.isNumeric("45");
+        boolean value = StringUtil.isNumeric("45");
         System.out.println(value);
+
+        BackResponse backResponse = BackResponse.builder()
+                        .backendCode("200")
+                        .httpCode("420")
+                        .statusCode("420")
+                        .description("asdasd")
+                        .build();
+
+        System.out.println(backResponse);
+
     }
 }
diff --git a/src/main/java/com/banesco/domain/model/BackResponse.java b/src/main/java/com/banesco/domain/model/BackResponse.java
new file mode 100644
index 0000000..882bf56
--- /dev/null
+++ b/src/main/java/com/banesco/domain/model/BackResponse.java
@@ -0,0 +1,80 @@
+package com.banesco.domain.model;
+
+public class BackResponse {
+    private final String backendCode;
+    private final String httpCode;
+    private final String statusCode;
+    private final String description;
+
+    private BackResponse(Builder builder) {
+        this.backendCode = builder.backendCode;
+        this.httpCode = builder.httpCode;
+        this.statusCode = builder.statusCode;
+        this.description = builder.description;
+    }
+
+    public String getBackendCode() {
+        return backendCode;
+    }
+
+    public String getHttpCode() {
+        return httpCode;
+    }
+
+    public String getStatusCode() {
+        return statusCode;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public static class Builder {
+        private String backendCode;
+        private String httpCode;
+        private String statusCode;
+        private String description;
+        
+        public Builder() {}
+
+        public Builder backendCode(String backendCode) {
+            this.backendCode = backendCode;
+            return this;
+        }
+
+        public Builder httpCode(String httpCode) {
+            this.httpCode = httpCode;
+            return this;
+        }
+
+        public Builder statusCode(String statusCode) {
+            this.statusCode = statusCode;
+            return this;
+        }
+
+        public Builder description(String description) {
+            this.description = description;
+            return this;
+        }
+
+        public BackResponse build() {
+            // Validaciones de ser necesario
+            //  if (attr == null || attr.isEmpty()) {
+            //     throw new IllegalStateException("El atributo1 no puede estar vacío");
+            // }
+            return new BackResponse(this);
+        }
+
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    @Override
+    public String toString() {
+        return "BackResponse [backendCode=" + backendCode + ", httpCode=" + httpCode + ", statusCode=" + statusCode
+                + ", description=" + description + "]";
+    }
+
+}
diff --git a/src/main/java/com/banesco/domain/model/BaseResponse.java b/src/main/java/com/banesco/domain/model/BaseResponse.java
new file mode 100644
index 0000000..613a7b7
--- /dev/null
+++ b/src/main/java/com/banesco/domain/model/BaseResponse.java
@@ -0,0 +1,53 @@
+package com.banesco.domain.model;
+
+public class BaseResponse<T> {
+    private final StatusResponse statusCode;
+    private final T dataResponse;
+
+    private BaseResponse(Builder<T> builder) {
+        this.statusCode = builder.statusCode;
+        this.dataResponse = builder.dataResponse;
+    }
+
+    public StatusResponse getStatusCode() {
+        return statusCode;
+    }
+
+    public T getDataResponse() {
+        return dataResponse;
+    }
+
+    public static class Builder<T> {
+        private StatusResponse statusCode;
+        private T dataResponse;
+
+        public Builder() {}
+
+        public Builder<T> statusCode(StatusResponse statusCode) {
+            this.statusCode = statusCode;
+            return this;
+        }
+
+        public Builder<T> dataResponse(T dataResponse) {
+            this.dataResponse = dataResponse;
+            return this;
+        }
+        
+        public BaseResponse<T> build() {
+        // Validaciones de ser necesario
+            //  if (attr == null || attr.isEmpty()) {
+            //     throw new IllegalStateException("El atributo1 no puede estar vacío");
+            // }
+            return new BaseResponse<>(this);
+        }
+    }
+    
+    public static <T> Builder<T> builder() {
+        return new Builder<>();
+    }
+
+    @Override
+    public String toString() {
+        return "BaseResponse [statusCode=" + statusCode + ", dataResponse=" + dataResponse + "]";
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/banesco/domain/model/Device.java b/src/main/java/com/banesco/domain/model/Device.java
new file mode 100644
index 0000000..041c03b
--- /dev/null
+++ b/src/main/java/com/banesco/domain/model/Device.java
@@ -0,0 +1,73 @@
+package com.banesco.domain.model;
+
+
+public class Device {
+    private final String type;
+    private final Integer description;
+    private final String ipAddress;
+
+    private Device(Builder builder) {
+        this.type = builder.type;
+        this.description = builder.description;
+        this.ipAddress = builder.ipAddress;
+    }
+    
+    public String getType() {
+        return type;
+    }
+
+    public Integer getDescription() {
+        return description;
+    }
+
+    public String getIpAddress() {
+        return ipAddress;
+    }
+
+    public static class Builder {
+        private String type;
+        private Integer description;
+        private String ipAddress;
+
+        public Builder() {}
+
+        public Builder type(String type) {
+            this.type = type;
+            return Builder.this;
+        }
+
+        public Builder description(Integer description) {
+            this.description = description;
+            return Builder.this;
+        }
+
+        public Builder ipAddress(String ipAddress) {
+            this.ipAddress = ipAddress;
+            return Builder.this;
+        }
+
+        public Device build() {
+            // Validaciones de ser necesario
+            //  if (attr == null || attr.isEmpty()) {
+            //     throw new IllegalStateException("El atributo1 no puede estar vacío");
+            // }
+            return new Device(this);
+        }
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("Device{");
+        sb.append("type=").append(type);
+        sb.append(", description=").append(description);
+        sb.append(", ipAddress=").append(ipAddress);
+        sb.append('}');
+        return sb.toString();
+    }
+
+}
diff --git a/src/main/java/com/banesco/domain/model/RegisterSecurityRq.java b/src/main/java/com/banesco/domain/model/RegisterSecurityRq.java
new file mode 100644
index 0000000..d870623
--- /dev/null
+++ b/src/main/java/com/banesco/domain/model/RegisterSecurityRq.java
@@ -0,0 +1,250 @@
+package com.banesco.domain.model;
+
+import java.util.Date;
+
+public class RegisterSecurityRq {
+    private final String codBan;
+    private final String codMon;
+    private final String codEve;
+    private final String codEve2;
+    private final String login;
+    private final Date fecHor;
+    private final String nacCli;
+    private final Long cedRifCli;
+    private final String objeto;
+    private final Integer tipoRespuesta;
+    private final String msgRespuesta;
+    private final Integer tiempoRespuesta;
+    private final String codFintech;
+    private final String nombreFintech;
+    private final String tipoDispositivo;
+    private final String desDispositivo;
+    private final String ipCli;
+    private final String sp;
+
+    private RegisterSecurityRq(Builder builder) {
+        this.codBan = builder.codBan;
+        this.codMon = builder.codMon;
+        this.codEve = builder.codEve;
+        this.codEve2 = builder.codEve2;
+        this.login = builder.login;
+        this.fecHor = builder.fecHor;
+        this.nacCli = builder.nacCli;
+        this.cedRifCli = builder.cedRifCli;
+        this.objeto = builder.objeto;
+        this.tipoRespuesta = builder.tipoRespuesta;
+        this.msgRespuesta = builder.msgRespuesta;
+        this.tiempoRespuesta = builder.tiempoRespuesta;
+        this.codFintech = builder.codFintech;
+        this.nombreFintech = builder.nombreFintech;
+        this.tipoDispositivo = builder.tipoDispositivo;
+        this.desDispositivo = builder.desDispositivo;
+        this.ipCli = builder.ipCli;
+        this.sp = builder.sp;
+    }
+
+    public String getCodBan() {
+        return codBan;
+    }
+
+    public String getCodMon() {
+        return codMon;
+    }
+
+    public String getCodEve() {
+        return codEve;
+    }
+
+    public String getCodEve2() {
+        return codEve2;
+    }
+
+    public String getLogin() {
+        return login;
+    }
+
+    public Date getFecHor() {
+        return fecHor;
+    }
+
+    public String getNacCli() {
+        return nacCli;
+    }
+
+    public Long getCedRifCli() {
+        return cedRifCli;
+    }
+
+    public String getObjeto() {
+        return objeto;
+    }
+
+    public Integer getTipoRespuesta() {
+        return tipoRespuesta;
+    }
+
+    public String getMsgRespuesta() {
+        return msgRespuesta;
+    }
+
+    public Integer getTiempoRespuesta() {
+        return tiempoRespuesta;
+    }
+
+    public String getCodFintech() {
+        return codFintech;
+    }
+
+    public String getNombreFintech() {
+        return nombreFintech;
+    }
+
+    public String getTipoDispositivo() {
+        return tipoDispositivo;
+    }
+
+    public String getDesDispositivo() {
+        return desDispositivo;
+    }
+
+    public String getIpCli() {
+        return ipCli;
+    }
+
+    public String getSp() {
+        return sp;
+    }
+
+    public static class Builder {
+        private String codBan;
+        private String codMon;
+        private String codEve;
+        private String codEve2;
+        private String login;
+        private Date fecHor;
+        private String nacCli;
+        private Long cedRifCli;
+        private String objeto;
+        private Integer tipoRespuesta;
+        private String msgRespuesta;
+        private Integer tiempoRespuesta;
+        private String codFintech;
+        private String nombreFintech;
+        private String tipoDispositivo;
+        private String desDispositivo;
+        private String ipCli;
+        private String sp;
+
+        public Builder() {}
+
+        public Builder codBan(String codBan) {
+            this.codBan = codBan;
+            return Builder.this;
+        }
+
+        public Builder codMon(String codMon) {
+            this.codMon = codMon;
+            return Builder.this;
+        }
+
+        public Builder codEve(String codEve) {
+            this.codEve = codEve;
+            return Builder.this;
+        }
+
+        public Builder codEve2(String codEve2) {
+            this.codEve2 = codEve2;
+            return Builder.this;
+        }
+
+        public Builder login(String login) {
+            this.login = login;
+            return Builder.this;
+        }
+
+        public Builder fecHor(Date fecHor) {
+            this.fecHor = fecHor;
+            return Builder.this;
+        }
+
+        public Builder nacCli(String nacCli) {
+            this.nacCli = nacCli;
+            return Builder.this;
+        }
+
+        public Builder cedRifCli(Long cedRifCli) {
+            this.cedRifCli = cedRifCli;
+            return Builder.this;
+        }
+
+        public Builder objeto(String objeto) {
+            this.objeto = objeto;
+            return Builder.this;
+        }
+
+        public Builder tipoRespuesta(Integer tipoRespuesta) {
+            this.tipoRespuesta = tipoRespuesta;
+            return Builder.this;
+        }
+
+        public Builder msgRespuesta(String msgRespuesta) {
+            this.msgRespuesta = msgRespuesta;
+            return Builder.this;
+        }
+
+        public Builder tiempoRespuesta(Integer tiempoRespuesta) {
+            this.tiempoRespuesta = tiempoRespuesta;
+            return Builder.this;
+        }
+
+        public Builder codFintech(String codFintech) {
+            this.codFintech = codFintech;
+            return Builder.this;
+        }
+
+        public Builder nombreFintech(String nombreFintech) {
+            this.nombreFintech = nombreFintech;
+            return Builder.this;
+        }
+
+        public Builder tipoDispositivo(String tipoDispositivo) {
+            this.tipoDispositivo = tipoDispositivo;
+            return Builder.this;
+        }
+
+        public Builder desDispositivo(String desDispositivo) {
+            this.desDispositivo = desDispositivo;
+            return Builder.this;
+        }
+
+        public Builder ipCli(String ipCli) {
+            this.ipCli = ipCli;
+            return Builder.this;
+        }
+
+        public Builder sp(String sp) {
+            this.sp = sp;
+            return Builder.this;
+        }
+
+        public RegisterSecurityRq build() {
+            // Validaciones de ser necesario
+            //  if (attr == null || attr.isEmpty()) {
+            //     throw new IllegalStateException("El atributo1 no puede estar vacío");
+            // }
+            return new RegisterSecurityRq(this);
+        }
+
+    }
+
+    @Override
+    public String toString() {
+        return "RegisterSecurityRq [codBan=" + codBan + ", codMon=" + codMon + ", codEve=" + codEve + ", codEve2="
+                + codEve2 + ", login=" + login + ", fecHor=" + fecHor + ", nacCli=" + nacCli + ", cedRifCli="
+                + cedRifCli + ", objeto=" + objeto + ", tipoRespuesta=" + tipoRespuesta + ", msgRespuesta="
+                + msgRespuesta + ", tiempoRespuesta=" + tiempoRespuesta + ", codFintech=" + codFintech
+                + ", nombreFintech=" + nombreFintech + ", tipoDispositivo=" + tipoDispositivo + ", desDispositivo="
+                + desDispositivo + ", ipCli=" + ipCli + ", sp=" + sp + "]";
+    }
+
+}
diff --git a/src/main/java/com/banesco/domain/model/SecurityAuth.java b/src/main/java/com/banesco/domain/model/SecurityAuth.java
new file mode 100644
index 0000000..1d36626
--- /dev/null
+++ b/src/main/java/com/banesco/domain/model/SecurityAuth.java
@@ -0,0 +1,61 @@
+package com.banesco.domain.model;
+
+
+public class SecurityAuth {
+    private final String sessionId;
+    private final String username;
+
+    private SecurityAuth(Builder builder) {
+        this.sessionId = builder.sessionId;
+        this.username = builder.username;
+    }
+
+    public String getSessionId() {
+        return sessionId;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public static class Builder {
+        private String sessionId;
+        private String username;
+
+        public Builder() {}
+
+        public Builder sessionId(String sessionId) {
+            this.sessionId = sessionId;
+            return Builder.this;
+        }
+
+        public Builder username(String username) {
+            this.username = username;
+            return Builder.this;
+        }
+
+        public SecurityAuth build() {
+            // Validaciones de ser necesario
+            //  if (attr == null || attr.isEmpty()) {
+            //     throw new IllegalStateException("El atributo1 no puede estar vacío");
+            // }
+            return new SecurityAuth(this);
+        }
+
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+    
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("SecurityAuth{");
+        sb.append("sessionId=").append(sessionId);
+        sb.append(", username=").append(username);
+        sb.append('}');
+        return sb.toString();
+    }
+
+}
diff --git a/src/main/java/com/banesco/domain/model/StatusResponse.java b/src/main/java/com/banesco/domain/model/StatusResponse.java
new file mode 100644
index 0000000..39f92af
--- /dev/null
+++ b/src/main/java/com/banesco/domain/model/StatusResponse.java
@@ -0,0 +1,48 @@
+package com.banesco.domain.model;
+
+
+public class StatusResponse {
+    private final String statusCode;
+    private final String statusDesc;
+
+    private StatusResponse(Builder builder) {
+        this.statusCode = builder.statusCode;
+        this.statusDesc = builder.statusDesc;
+    } 
+
+    public static class Builder {
+        private String statusCode;
+        private String statusDesc;
+
+        public Builder() {}
+
+        public Builder statusCode(String statusCode) {
+            this.statusCode = statusCode;
+            return Builder.this;
+        }
+
+        public Builder statusDesc(String statusDesc) {
+            this.statusDesc = statusDesc;
+            return Builder.this;
+        }
+
+        public StatusResponse build() {
+            // Validaciones de ser necesario
+            //  if (attr == null || attr.isEmpty()) {
+            //     throw new IllegalStateException("El atributo1 no puede estar vacío");
+            // }
+            return new StatusResponse(this);
+        }
+
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    @Override
+    public String toString() {
+        return "StatusResponse [statusCode=" + statusCode + ", statusDesc=" + statusDesc + "]";
+    }
+    
+}