faq
Trust the server-side provider status, not a browser return URL. If payment fails, try again from the listing. If it stays pending, wait for the webhook and c
Last updated 2026-11-04
What Should I Do If My Payment Fails or Remains Pending? Trust the server-side provider status, not a browser return URL. If payment fails, try again from the listing. If it stays pending, wait for the webhook and check My Library before opening a refund.
Duplicate clicks can create a second attempt. Use one checkout at a time.
Do not paste full PAN, CVV, or OTP codes into Community or the contact form.
Last updated 4 November 2026.
Email Shanghai Menmen Technology Co., Ltd. support. Do not send passwords, API keys, or card numbers.