diff --git a/app/src/Service/MediosPago/AbstractEndPoint.php b/app/src/Service/MediosPago/AbstractEndPoint.php
index 6049832..882b931 100644
--- a/app/src/Service/MediosPago/AbstractEndPoint.php
+++ b/app/src/Service/MediosPago/AbstractEndPoint.php
@@ -9,6 +9,7 @@ use Psr\Http\Message\ResponseInterface;
 use Incoviba\Common\Define\Repository;
 use Incoviba\Common\Implement\Exception\{EmptyResponse, EmptyResult};
 use Incoviba\Common\Ideal\LoggerEnabled;
+use Incoviba\Exception\InvalidResult;
 
 abstract class AbstractEndPoint extends LoggerEnabled implements EndPoint
 {
@@ -147,7 +148,7 @@ abstract class AbstractEndPoint extends LoggerEnabled implements EndPoint
      * @param string $id
      * @param string $message
      * @return array
-     * @throws EmptyResponse
+     * @throws InvalidResult
      */
     protected function doGetById(callable $callable, string $id, string $message): array
     {
@@ -155,7 +156,7 @@ abstract class AbstractEndPoint extends LoggerEnabled implements EndPoint
             $model = $callable($id);
             return json_decode(json_encode($model), true);
         } catch (EmptyResult $exception) {
-            throw new EmptyResponse($message, $exception);
+            throw new InvalidResult($message, 404, $exception);
         }
     }
 
diff --git a/app/src/Service/MediosPago/EndPoint.php b/app/src/Service/MediosPago/EndPoint.php
index bf4c2ea..3aaf17a 100644
--- a/app/src/Service/MediosPago/EndPoint.php
+++ b/app/src/Service/MediosPago/EndPoint.php
@@ -2,15 +2,23 @@
 namespace Incoviba\Service\MediosPago;
 
 use Incoviba\Common\Implement\Exception\EmptyResponse;
+use Incoviba\Exception\InvalidResult;
 
 interface EndPoint
 {
     /**
      * @param string $id
      * @return array
-     * @throws EmptyResponse
+     * @throws InvalidResult
      */
     public function getById(string $id): array;
+
+    /**
+     * @param string $id
+     * @return array
+     * @throws InvalidResult
+     */
+    public function getByExternalId(string $id): array;
     /**
      * @param string $id
      * @return array
diff --git a/app/src/Service/MediosPago/Toku.php b/app/src/Service/MediosPago/Toku.php
index 4def84a..b8347c0 100644
--- a/app/src/Service/MediosPago/Toku.php
+++ b/app/src/Service/MediosPago/Toku.php
@@ -2,10 +2,12 @@
 namespace Incoviba\Service\MediosPago;
 
 use InvalidArgumentException;
-use Psr\Http\Client\ClientInterface;
 use Psr\Log\LoggerInterface;
 use Incoviba\Common\Ideal;
 use Incoviba\Common\Implement\Exception\EmptyResponse;
+use Incoviba\Exception\InvalidResult;
+use Incoviba\Model\Persona;
+use Incoviba\Model\Venta\Propietario;
 use Incoviba\Model;
 
 class Toku extends Ideal\Service
@@ -32,16 +34,16 @@ class Toku extends Ideal\Service
     }
 
     /**
-     * @param Model\Persona $persona
+     * @param Persona|Propietario $persona
      * @return array
-     * @throws EmptyResponse
+     * @throws InvalidResult
      */
     public function sendPersona(Model\Persona|Model\Venta\Propietario $persona): array
     {
         $rut = implode('', [$persona->rut, strtoupper($persona->dv)]);
         try {
             return $this->customer->getById($rut);
-        } catch (EmptyResponse $exception) {
+        } catch (InvalidResult $exception) {
             $datos = $persona->datos;
             $customerData = [
                 'rut' => $rut,
@@ -49,30 +51,38 @@ class Toku extends Ideal\Service
                 'email' => $datos?->email ?? '',
                 'telefono' => $datos?->telefono ?? ''
             ];
-            if (!$this->customer->add($customerData)) {
-                throw new EmptyResponse("Could not save Customer for Persona {$rut}", $exception);
+            try {
+                if (!$this->customer->add($customerData)) {
+                    throw new InvalidResult("Could not save Customer for Persona {$rut}", 409, $exception);
+                }
+            } catch (EmptyResponse $exception) {
+                throw new InvalidResult("Could not save Customer for Persona {$rut}", 409, $exception);
             }
             return $this->customer->getById($rut);
         }
     }
     /**
      * @param Model\Venta $venta
-     * @return bool
-     * @throws EmptyResponse
+     * @return array
+     * @throws InvalidResult
      */
     public function sendVenta(Model\Venta $venta): array
     {
         $customer = $this->sendPersona($venta->propietario());
         try {
             return $this->subscription->getById($venta->id);
-        } catch (EmptyResponse $exception) {
+        } catch (InvalidResult $exception) {
             $subscriptionData = [
                 'customer' => $customer['toku_id'],
                 'product_id' => $venta->id,
                 'venta' => $venta
             ];
-            if (!$this->subscription->add($subscriptionData)) {
-                throw new EmptyResponse("Could not save Subscription for Venta {$venta->id}", $exception);
+            try {
+                if (!$this->subscription->add($subscriptionData)) {
+                    throw new InvalidResult("Could not save Subscription for Venta {$venta->id}", 409, $exception);
+                }
+            } catch (EmptyResponse $exception) {
+                throw new InvalidResult("Could not save Subscription for Venta {$venta->id}", 409, $exception);
             }
             return $this->subscription->getById($venta->id);
         }
@@ -80,10 +90,11 @@ class Toku extends Ideal\Service
 
     /**
      * @param Model\Venta $venta
+     * @param array $cuotas_ids
      * @return array
-     * @throws EmptyResponse
+     * @throws InvalidResult
      */
-    public function sendCuotas(Model\Venta $venta): array
+    public function sendCuotas(Model\Venta $venta, array $cuotas_ids = []): array
     {
         $customer = $this->sendPersona($venta->propietario());
         $subscription = $this->sendVenta($venta);
@@ -91,9 +102,12 @@ class Toku extends Ideal\Service
         $invoices = [];
         $errors = [];
         foreach ($venta->formaPago()->pie->cuotas() as $cuota) {
+            if (count($cuotas_ids) > 0 and !in_array($cuota->id, $cuotas_ids)) {
+                continue;
+            }
             try {
                 $invoices []= $this->invoice->getById($cuota->id);
-            } catch (EmptyResponse $exception) {
+            } catch (InvalidResult $exception) {
                 try {
                     $invoiceData = [
                         'customer' => $customer['toku_id'],
@@ -116,4 +130,18 @@ class Toku extends Ideal\Service
         }
         return $invoices;
     }
+
+    /**
+     * @param array $request
+     * @return bool
+     * @throws InvalidResult
+     */
+    public function updatePago(array $request): bool
+    {
+        # If $customer is not found, it will throw an exception and stop
+        $customer = $this->customer->getByExternalId($request['customer']);
+        $invoice = $this->invoice->getByExternalId($request['invoice']);
+
+        return $this->invoice->update($invoice['id'], $request);
+    }
 }
diff --git a/app/src/Service/MediosPago/Toku/Customer.php b/app/src/Service/MediosPago/Toku/Customer.php
index eb40a7b..519b2de 100644
--- a/app/src/Service/MediosPago/Toku/Customer.php
+++ b/app/src/Service/MediosPago/Toku/Customer.php
@@ -17,6 +17,10 @@ class Customer extends AbstractEndPoint
     {
         return $this->doGetById([$this->customerRepository, 'fetchByRut'], $id, "No existe toku_id para Persona {$id}");
     }
+    public function getByExternalId(string $id): array
+    {
+        return $this->doGetById([$this->customerRepository, 'fetchByTokuId'], $id, "No existe Customer para toku_id {$id}");
+    }
     public function get(string $id): array
     {
         $request_uri = "/customers/{$id}";
diff --git a/app/src/Service/MediosPago/Toku/Invoice.php b/app/src/Service/MediosPago/Toku/Invoice.php
index 0d8237d..a818198 100644
--- a/app/src/Service/MediosPago/Toku/Invoice.php
+++ b/app/src/Service/MediosPago/Toku/Invoice.php
@@ -1,14 +1,22 @@
 <?php
 namespace Incoviba\Service\MediosPago\Toku;
 
-use Incoviba\Model\Venta\Cuota;
+use DateTimeImmutable;
+use DateMalformedStringException;
 use Psr\Http\Client\ClientInterface;
+use Incoviba\Exception\InvalidResult;
+use Incoviba\Common\Implement\Exception\EmptyResult;
+use Incoviba\Model;
 use Incoviba\Repository;
 use Incoviba\Service\MediosPago\AbstractEndPoint;
+use Incoviba\Service\UF;
+use Incoviba\Service\Venta\Pago;
 
 class Invoice extends AbstractEndPoint
 {
-    public function __construct(ClientInterface $client, protected Repository\MediosPago\Toku\Invoice $invoiceRepository)
+    public function __construct(ClientInterface $client,
+                                protected Repository\MediosPago\Toku\Invoice $invoiceRepository,
+                                protected Pago $pagoService, protected UF $ufService)
     {
         parent::__construct($client);
     }
@@ -17,6 +25,10 @@ class Invoice extends AbstractEndPoint
     {
         return $this->doGetById([$this->invoiceRepository, 'fetchByCuota'], $id, "No existe toku_id para Cuota {$id}");
     }
+    public function getByExternalId(string $id): array
+    {
+        return $this->doGetById([$this->invoiceRepository, 'fetchByTokuId'], $id, "No existe Invoice para toku_id {$id}");
+    }
     public function get(string $id): array
     {
         $request_uri = "/invoices/{$id}";
@@ -38,6 +50,38 @@ class Invoice extends AbstractEndPoint
         $this->sendDelete($request_uri, [204], [404, 409]);
     }
 
+    /**
+     * @param string $invoice_toku_id
+     * @param array $data
+     * @return bool
+     * @throws InvalidResult
+     */
+    public function update(string $invoice_toku_id, array $data): bool
+    {
+        try {
+            $invoice = $this->invoiceRepository->fetchByTokuId($invoice_toku_id);
+        } catch (EmptyResult $exception) {
+            throw new InvalidResult("No existe Invoice para toku_id {$invoice_toku_id}", 404, $exception);
+        }
+        if ($data['status'] !== 'AUTHORIZED') {
+            throw new InvalidResult("Pago no autorizado", 422);
+        }
+        try {
+            $date = new DateTimeImmutable($data['transaction_date']);
+        } catch (DateMalformedStringException $exception) {
+            throw new InvalidResult("Fecha no válida: {$data['transaction_date']}", 422, $exception);
+        }
+        $uf = $this->ufService->get($date);
+        if ($uf === 0.0) {
+            throw new InvalidResult("No hay UF para la fecha: {$data['transaction_date']}", 422);
+        }
+        $valor = $data['amount'] / $uf;
+        if (abs($valor - $invoice->cuota->pago->valor()) >= 0.0001) {
+            throw new InvalidResult("Valor en UF no coincide: {$data['amount']}", 422);
+        }
+        return $this->pagoService->depositar($invoice->cuota->pago, $date);
+    }
+
     protected function save(array $data): bool
     {
         return $this->doSave($this->invoiceRepository, $data);
@@ -71,7 +115,7 @@ class Invoice extends AbstractEndPoint
                 continue;
             }
             if ($ref === 'valor') {
-                $params[$key] = $data['cuota']->pago->valor;
+                $params[$key] = $data['cuota']->pago->valor();
                 continue;
             }
             if ($ref === 'datosCuota') {
@@ -104,7 +148,7 @@ class Invoice extends AbstractEndPoint
         return $mappedData;
     }
 
-    protected function datosCuota(Cuota $cuota): string
+    protected function datosCuota(Model\Venta\Cuota $cuota): string
     {
         return json_encode([
             'Numero' => $cuota->numero,
diff --git a/app/src/Service/MediosPago/Toku/Subscription.php b/app/src/Service/MediosPago/Toku/Subscription.php
index b365a55..c31b773 100644
--- a/app/src/Service/MediosPago/Toku/Subscription.php
+++ b/app/src/Service/MediosPago/Toku/Subscription.php
@@ -17,6 +17,11 @@ class Subscription extends AbstractEndPoint
     {
         return $this->doGetById([$this->subscriptionRepsitory, 'fetchByVenta'], $id, "No existe toku_id para Venta {$id}");
     }
+    public function getByExternalId(string $id): array
+    {
+        return $this->doGetById([$this->subscriptionRepsitory, 'fetchByTokuId'], $id, "No existe Subscription para toku_id {$id}");
+    }
+
     public function get(string $id): array
     {
         $request_uri = "/subscriptions/{$id}";