code: public static HttpRequestor.Response startPostNoAuth(DbxRequestConfig requestConfig,
                                                           String sdkUserAgentIdentifier,
                                                           String host,
                                                           String path,
                                                           /*@Nullable*/String/*@Nullable*/[] params,
                                                           /*@Nullable*/List<HttpRequestor.Header> headers)
          throws NetworkIOException {
          byte[] encodedParams = StringUtil.stringToUtf8(encodeUrlParams(requestConfig.getUserLocale(), params));
  
          headers = copyHeaders(headers);
          headers.add(new HttpRequestor.Header("Content-Type", "application/x-www-form-urlencoded; charset=utf-8"));
  
          return startPostRaw(requestConfig, sdkUserAgentIdentifier, host, path, encodedParams, headers);
      }
docs: Convenience function for making HTTP POST requests.