Is a Failed SMS Billed?

International SMSs are billed only after an API is invoked or a send task is submitted using the Group SMS Assistant and the SMS platform does not return a status report that contains an error code specified by status. Even if a subsequent status report indicates that the SMS fails to be sent due to reasons other than the SMS platform, the SMS is also billed. This is because international carriers bill SMSs based on the sending status.
Chinese Mainland SMSs are billed based on the number of SMSs that are successfully sent. SMSs that fail to be sent are not billed.

Parent topic: Package and Fee

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