Hi Wei,
If you are useing automatic recharge then please refer to the following support article: https://community.sinch.com/t5/Billing-Pricing/Why-is-Automatic-Recharge-not-working/ta-p/18591 .
If you are having issue trying to add credit to your account - please contact the Online Support team for assistance. Thanks and kind regards,
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Hello, I’ve tried to recharge several times, but it always fails. Even
when the payment goes through, the amount is refunded back to me. Could
you please check what the problem is and let me know how to fix it?
Thank you.
