diff --git a/src/Command/ContactUncontactedCommand.php b/src/Command/ContactUncontactedCommand.php
index 6158d39..cdc39ab 100644
--- a/src/Command/ContactUncontactedCommand.php
+++ b/src/Command/ContactUncontactedCommand.php
@@ -75,7 +75,7 @@ class ContactUncontactedCommand extends Command
 
             // 3. Contact the HTTP REST API
             try {
-                $response = $this->httpClient->request('GET', self::$apiEndpoint, [
+                $response = $this->httpClient->request('POST', self::$apiEndpoint, [
                     'headers' => [
                         'X-CM-PRODUCTTOKEN' => $this->sms_gateway_api_key,
                         'Accept' => 'application/json',