diff --git a/src/Pix.php b/src/Pix.php
index 23c97bc..e508a6d 100644
--- a/src/Pix.php
+++ b/src/Pix.php
@@ -168,4 +168,49 @@ class Pix extends Kore
             $payload
         );
     }
+
+    public function pixCobrancaDinamicoImediatoTrocoSemValor($payload)
+    {
+        pixCobrancaImediataTrocoSemValorRules($payload);
+        $korePayload = [
+            'calendario' => [
+                'expiracao' => $payload['expiracao'] ?? 86400,
+            ],
+            'valor' => [
+                'original' => 0,
+                'retirada' => [
+                    'troco' => [
+                        'valor' => $payload['valor'] ?? 0,
+                        'modalidadeAlteracao' => 1,
+                        '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(
+            $this->url . '/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 38e37c3..f8d4051 100644
--- a/src/rules.php
+++ b/src/rules.php
@@ -88,3 +88,26 @@ function pixCobrancaImediataSaqueComValorRules(array $data)
         return true;
     }
 }
+
+function pixCobrancaImediataTrocoSemValorRules(array $data)
+{
+    $rules = [
+        'expiracao' => 'sometimes|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'
+    ];
+
+    $validate = validate($data, $rules);
+    if (!$validate['valid']) {
+        throw new Exception(json_encode(array_slice($validate['errors'], 0, 1)), 500);
+    } else {
+        return true;
+    }
+}