diff --git a/common/Alias/Model.php b/common/Alias/Model.php
index 81df5c6..915a095 100644
--- a/common/Alias/Model.php
+++ b/common/Alias/Model.php
@@ -39,7 +39,7 @@ abstract class Model extends BaseModel implements ModelInterface {
     }
     return $definitions;
   }
-  public function parentOf(string $child_class, array $definitions): ?array {
+  public function parentOf(string $child_class, array $definitions): bool|array {
     $definitions = $this->validateDefinitions(
       $definitions,
       [Model::CHILD_KEY, Model::SELF_KEY],
@@ -48,7 +48,7 @@ abstract class Model extends BaseModel implements ModelInterface {
     $where = [[$definitions[Model::CHILD_KEY], $this->{$definitions[Model::SELF_KEY]}]];
     return $this->factory->find($child_class)->where($where)->many();
   }
-  public function childOf(string $parent_class, array $definitions): ?ModelInterface {
+  public function childOf(string $parent_class, array $definitions): bool|ModelInterface {
     $definitions = $this->validateDefinitions(
       $definitions,
       [Model::PARENT_KEY, Model::SELF_KEY],
diff --git a/common/Controller/Ventas.php b/common/Controller/Ventas.php
index ba3025a..d95ff6b 100644
--- a/common/Controller/Ventas.php
+++ b/common/Controller/Ventas.php
@@ -45,6 +45,69 @@ class Ventas {
         'href' => str_replace("/venta/{$venta_id}", "/propiedad/{$venta->propiedad}", $request->getUri())
       ]
     ];
+    if ($venta->pie()) {
+      $output['links'] []= [
+        'rel' => 'pie',
+        'title' => 'Pie',
+        'href' => str_replace("/venta/{$venta_id}", "/pie/{$venta->pie}", $request->getUri())
+      ];
+    }
+    if ($venta->bono()) {
+      $output['links'] []= [
+        'rel' => 'bono_pie',
+        'title' => 'Bono Pie',
+        'href' => str_replace("/venta/{$venta_id}", "/bono/{$venta->bono_pie}", $request->getUri())
+      ];
+    }
+    if ($venta->credito()) {
+      $output['links'] []= [
+        'rel' => 'credito',
+        'title' => 'Credito',
+        'href' => str_replace("/venta/{$venta_id}", "/credito/{$venta->credito}", $request->getUri())
+      ];
+    }
+    if ($venta->escritura()) {
+      $output['links'] []= [
+        'rel' => 'escritura',
+        'title' => 'Escritura',
+        'href' => str_replace("/venta/{$venta_id}", "/escritura/{$venta->escritura}", $request->getUri())
+      ];
+    }
+    if ($venta->subsidio()) {
+      $output['links'] []= [
+        'rel' => 'subsidio',
+        'title' => 'Subsidio',
+        'href' => str_replace("/venta/{$venta_id}", "/subsidio/{$venta->subsidio}", $request->getUri())
+      ];
+    }
+    if ($venta->entrega()) {
+      $output['links'] []= [
+        'rel' => 'entrega',
+        'title' => 'Entrega',
+        'href' => str_replace("/venta/{$venta_id}", "/entrega/{$venta->entrega}", $request->getUri())
+      ];
+    }
+    if ($venta->proyectoAgente()) {
+      $output['links'] []= [
+        'rel' => 'proyecto_agente',
+        'title' => 'Proyecto Agente',
+        'href' => str_replace("/venta/{$venta_id}", "/proyecto_agente/{$venta->agente}", $request->getUri())
+      ];
+    }
+    if ($venta->promocion()) {
+      $output['links'] []= [
+        'rel' => 'promocion',
+        'title' => 'Promocion',
+        'href' => str_replace("/venta/{$venta_id}", "/promocion/{$venta->promocion}", $request->getUri())
+      ];
+    }
+    if ($venta->resciliacion()) {
+      $output['links'] []= [
+        'rel' => 'resciliacion',
+        'title' => 'Resciliacion',
+        'href' => str_replace("/venta/{$venta_id}", "/resciliacion/{$venta->resciliacion}", $request->getUri())
+      ];
+    }
     return $this->withJson($response, $output);
   }
   public function add(Request $request, Response $response, Factory $factory): Response {
diff --git a/common/Define/Model.php b/common/Define/Model.php
index 0356d9e..d01ebfa 100644
--- a/common/Define/Model.php
+++ b/common/Define/Model.php
@@ -21,7 +21,7 @@ interface Model {
    * @param array $definitions array of conditions for connecting to the child table
    * @return array|null
    */
-  public function parentOf(string $child_class, array $definitions): ?array;
+  public function parentOf(string $child_class, array $definitions): bool|array;
 
   /**
    * Get parent model of class {$parent_class}
@@ -29,7 +29,7 @@ interface Model {
    * @param array $definitions array of conditions for connecting to the parent table
    * @return Model|null
    */
-  public function childOf(string $parent_class, array $definitions): ?Model;
+  public function childOf(string $parent_class, array $definitions): bool|Model;
 
   /**
    * Get all siblings of class {$sibling_class}
diff --git a/src/Venta/Agente.php b/src/Venta/Agente.php
index 7d46f08..bf68982 100644
--- a/src/Venta/Agente.php
+++ b/src/Venta/Agente.php
@@ -2,5 +2,28 @@
 namespace Incoviba\Venta;
 
 use Incoviba\API\Common\Alias\Model;
+use Incoviba\Common\Direccion;
 
-class Agente extends Model {}
+/**
+ * @property int $id
+ * @property TipoAgente $tipo
+ * @property int $rut
+ * @property string $descripcion
+ * @property string $representante
+ * @property int $telefono
+ * @property string $correo
+ * @property Direccion $direccion
+ * @property string $giro
+ * @property string $abreviacion
+ */
+class Agente extends Model {
+  public static $_table = 'agente';
+
+  protected $ats;
+  public function agenteTipos() {
+    if ($this->ats === null) {
+      $this->ats = $this->parentOf(AgenteTipo::class, [Model::CHILD_KEY => 'agente']);
+    }
+    return $this->ats;
+  }
+}
diff --git a/src/Venta/AgenteTipo.php b/src/Venta/AgenteTipo.php
new file mode 100644
index 0000000..edf8c14
--- /dev/null
+++ b/src/Venta/AgenteTipo.php
@@ -0,0 +1,31 @@
+<?php
+namespace Incoviba\Venta;
+
+use Incoviba\API\Common\Alias\Model;
+
+class AgenteTipo extends Model {
+  public static $_table = 'agente_tipo';
+
+  protected $agente_o;
+  public function agente() {
+    if ($this->agente_o === null) {
+      $this->agente_o = $this->childOf(Agente::class, [Model::SELF_KEY => 'agente']);
+    }
+    return $this->agente_o;
+  }
+  protected $tipo_o;
+  public function tipo() {
+    if ($this->tipo_o === null) {
+      $this->tipo_o = $this->childOf(TipoAgente::class, [Model::SELF_KEY => 'tipo']);
+    }
+    return $this->tipo_o;
+  }
+
+  protected $pas;
+  public function proyectoAgentes() {
+    if ($this->pas === null) {
+      $this->pas = $this->parentOf(ProyectoAgente::class, [Model::CHILD_KEY => 'agente']);
+    }
+    return $this->pas;
+  }
+}
diff --git a/src/Venta/ProyectoAgente.php b/src/Venta/ProyectoAgente.php
new file mode 100644
index 0000000..f92ea60
--- /dev/null
+++ b/src/Venta/ProyectoAgente.php
@@ -0,0 +1,24 @@
+<?php
+namespace Incoviba\Venta;
+
+use Incoviba\API\Common\Alias\Model;
+use Incoviba\Proyecto\Proyecto;
+
+class ProyectoAgente extends Model {
+  public static $_table = 'proyecto_agente';
+
+  protected $at;
+  public function agenteTipo() {
+    if ($this->at === null) {
+      $this->at = $this->childOf(AgenteTipo::class, [Model::SELF_KEY => 'agente']);
+    }
+    return $this->at;
+  }
+  protected $proyecto_o;
+  public function proyecto() {
+    if ($this->proyecto_o === null) {
+      $this->proyecto_o = $this->childOf(Proyecto::class, [Model::SELF_KEY => 'proyecto']);
+    }
+    return $this->proyecto_o;
+  }
+}
diff --git a/src/Venta/TipoAgente.php b/src/Venta/TipoAgente.php
new file mode 100644
index 0000000..fc88a17
--- /dev/null
+++ b/src/Venta/TipoAgente.php
@@ -0,0 +1,16 @@
+<?php
+namespace Incoviba\Venta;
+
+use Incoviba\API\Common\Alias\Model;
+
+class TipoAgente extends Model {
+  public static $_table = 'tipo_agente';
+
+  protected $ats;
+  public function agentesTipos() {
+    if ($this->ats === null) {
+      $this->ats = $this->parentOf(AgenteTipo::class, [Model::CHILD_KEY => 'tipo']);
+    }
+    return $this->ats;
+  }
+}
diff --git a/src/Venta/Venta.php b/src/Venta/Venta.php
index a38bf60..1179a3d 100644
--- a/src/Venta/Venta.php
+++ b/src/Venta/Venta.php
@@ -14,7 +14,7 @@ use Incoviba\API\Common\Alias\Model;
  * @property ?Escritura $escritura
  * @property ?Subsidio $subsidio
  * @property ?DateTime $escriturado
- * @property ?Entrega $entrga
+ * @property ?Entrega $entrega
  * @property ?DateTime $entregado
  * @property DateTime $fecha
  * @property double $valor_uf
@@ -90,12 +90,12 @@ class Venta extends Model {
     }
     return $this->entrega_o;
   }
-  protected $agente_o;
-  public function agente() {
-    if ($this->agente_o === null) {
-      $this->agente_o = $this->childOf(Agente::class, [Model::SELF_KEY => 'agente']);
+  protected $pa;
+  public function proyectoAgente() {
+    if ($this->pa === null) {
+      $this->pa = $this->childOf(ProyectoAgente::class, [Model::SELF_KEY => 'agente']);
     }
-    return $this->agente_o;
+    return $this->pa;
   }
   protected $promocion_o;
   public function promocion() {