diff --git a/src/Pix.php b/src/Pix.php
index d0f02a6..cc66bc5 100644
--- a/src/Pix.php
+++ b/src/Pix.php
@@ -79,4 +79,49 @@ class Pix extends Kore
             $payload
         );
     }
+
+    
+    public function pixCobrancaDinamicoImediatoSaqueSemValor($payload)
+    {
+        pixCobrancaImediataSaqueSemValorRules($payload);
+        $korePayload = [
+            'calendario' => [
+                'expiracao' => $payload['expiracao'] ?? 86400,
+            ],
+            'valor' => [
+                'original' => 0,
+                'retirada' => [
+                    'saque' => [
+                        'valor' => $payload['valor'] ?? 0,
+                        'modalidadeAlteracao' => 0,
+                        'prestadorDoServicoDeSaque' => $payload['ispb'],
+                        'modalidadeAgente' => $payload['modalidadeAgente']
+                    ]
+                ]
+            ],
+            'chave' => $payload['chave'],
+            'txid' => $payload['txid'],
+            'solicitacaoPagador' => $payload['solicitacaoPagador'] ?? null
+        ];
+
+        if (isset($payload['devedor'])){
+            if (strlen($payload['devedor']['documento']) > 11){
+                $korePayload['devedor']['cnpj'] = $payload['devedor']['documento'];
+            }else{
+                $korePayload['devedor']['cpf'] = $payload['devedor']['documento'];
+            }
+            $korePayload['devedor']['nome'] = $payload['devedor'];
+        }
+        
+        return curlRequest(
+            'https://httpbin.org/post',
+            'POST',
+            [],
+            [
+                'x-kore-drone-uid: drone:' . $this->drone,
+                'x-kore-drone-sign: ' . $this->signBody($korePayload)
+            ],
+            $payload
+        );
+    }
 }
diff --git a/src/rules.php b/src/rules.php
index d54bfa2..20ec273 100644
--- a/src/rules.php
+++ b/src/rules.php
@@ -43,3 +43,27 @@ function pixCobrancaImediataSemValorRules(array $data)
         return true;
     }
 }
+
+
+function pixCobrancaImediataSaqueSemValorRules(array $data)
+{
+    $rules = [
+        'expiracao' => 'integer',
+        'devedor' => 'sometimes|array',
+        'devedor.documento' => 'sometimes|string|min:11|max:18',
+        'devedor.nome' => 'sometimes|required_with:devedor.documento|string|max:100',
+        'valor' => 'sometimes|integer',
+        'chave' => 'required|string',
+        'txid' => 'required|string|max:100',
+        'solicitacaoPagador' => 'string|max:140',
+        'ispb' => 'required|string',
+        'modalidadeAgente' => 'required|string|in:agtec,agtot,agpss'
+    ];
+    
+    $validate = validate($data, $rules);
+    if (!$validate['valid']) {
+        throw new Exception(json_encode(array_slice($validate['errors'], 0, 1)), 500);
+    } else {
+        return true;
+    }
+}
diff --git a/src/validator.php b/src/validator.php
index a3a1403..42033d8 100644
--- a/src/validator.php
+++ b/src/validator.php
@@ -80,6 +80,22 @@ function validate_array($field, $value, $param = null, $data = [])
     return true;
 }
 
+function validate_in($field, $value, $param, $data = [])
+{
+    if ($param === null) {
+        return "The rule 'in' requires a list of accepted values.";
+    }
+
+    $accepted = explode(',', $param);
+
+    if (!in_array((string) $value, $accepted, true)) {
+        return "The field '$field' must be one of: " . implode(', ', $accepted) . ".";
+    }
+
+    return true;
+}
+
+
 function validate_integer($field, $value, $param = null, $data = [])
 {
     if (!is_int($value)) {