DioError (DioError [DioErrorType.RESPONSE]: Http status error [404])

extension EmailValidator on String {
bool isValidEmail() {
return RegExp(
r'^(([^<>()[]\.,;:\s@"]+(.[^<>()[]\.,;:\s@"]+)*)|(".+"))@(([[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}])|(([a-zA-Z-0-9]+.)+[a-zA-Z]{2,}))$')
.hasMatch(this);
}
}

class Config {
static String key = "";
static String sceret = "";
static String url = "https://yazumart.com/wp-json/wc/v3/products?";
static String customerURL = "customers";
static String tokenURL = "";
}

import 'dart:convert';
import 'dart:io';
import 'package:awesam_app/Config.dart';
import 'package:awesam_app/models/customers.dart';
import 'package:dio/dio.dart';

class APIservice {
Future createCustomer(CustomerModel model) async {
var authToken = base64.encode(
utf8.encode(Config.key + ":" + Config.sceret),
);

bool ret = false;

try {
  var response = await Dio().post(Config.url + Config.customerURL,
      data: model.toJson(),
      options: new Options(headers: {
        HttpHeaders.authorizationHeader: 'Basic $authToken',
        HttpHeaders.contentTypeHeader: "application/json"
      }));

  if (response.statusCode == 201) {
    ret = true;
  }
} on DioError catch (e) {
  if (e.response.statusCode == 404) {
    ret = false;
  } else {
    ret = false;
  }
}
return ret;

}
}