code: public function create(string $name, array $numbers): ?array
      {
          $body = Body::json([
              [
                  'name'          => $name,
                  'phone_numbers' => $numbers,
              ],
          ]);
          $response = Request::post($this->baseUrl.'contact', [], $body);
  
          if ($response->code != 200) {
              if (!empty($response->body->message)) {
                  Log::error($response->body->message);
              }
          }
  
          return [
              'code'    => $response->code,
              'message' => ($response->code == 200) ? 'OK' : $response->body->message ?? '',
              'data'    => $response->body,
          ];
      }
docs: Store new contact to SMSGateway.me.
  
  @param string $name
  @param array  $numbers
  
  @return array|null