diff --git a/src/Peru/Jne/Async/Dni.php b/src/Peru/Jne/Async/Dni.php
index 56daee7..448b3a7 100644
--- a/src/Peru/Jne/Async/Dni.php
+++ b/src/Peru/Jne/Async/Dni.php
@@ -50,10 +50,10 @@ public function setRequestToken(string $requestToken): void
      */
     public function get(string $dni): PromiseInterface
     {
-        $url = sprintf(Endpoints::CONSULT, $dni);
+        $params = '{"tipDocu": "1", "numDocu": "'.$dni.'", "tipPers":"1"}';
 
         return $this->client
-            ->postAsync($url, null)
+            ->postAsync(Endpoints::CONSULT, $params, ['Content-Type' => 'application/json'])
             ->then(function ($json) use ($dni) {
                 if ($json === false || !($result = json_decode($json)) || !isset($result->nombreSoli)) {
                     return null;
diff --git a/src/Peru/Jne/Dni.php b/src/Peru/Jne/Dni.php
index 3460d25..306e855 100644
--- a/src/Peru/Jne/Dni.php
+++ b/src/Peru/Jne/Dni.php
@@ -56,8 +56,8 @@ public function setRequestToken(string $requestToken): void
      */
     public function get(string $dni): ?Person
     {
-        $url = sprintf(Endpoints::CONSULT, $dni);
-        $json = $this->client->post($url, []);
+        $params = '{"tipDocu": "1", "numDocu": "'.$dni.'", "tipPers":"1"}';
+        $json = $this->client->post(Endpoints::CONSULT, $params, ['Content-Type' => 'application/json']);
 
         if ($json === false || !($result = json_decode($json)) || !isset($result->nombreSoli)) {
             return null;
diff --git a/src/Peru/Jne/Endpoints.php b/src/Peru/Jne/Endpoints.php
index 28d0807..721ee7c 100644
--- a/src/Peru/Jne/Endpoints.php
+++ b/src/Peru/Jne/Endpoints.php
@@ -6,5 +6,5 @@
 
 final class Endpoints
 {
-    public const CONSULT = 'https://ww1.sunat.gob.pe/ol-ti-itatencionf5030/registro/solicitante?tipDocu=1&numDocu=%s&tipPers=1';
+    public const CONSULT = 'https://ww1.sunat.gob.pe/ol-ti-itatencionf5030/registro/solicitante';
 }