Just browsing through AWS documentation, it looks like you can set the SMSType to Transactional for critical messages that support customer transactions. I'm no

Just browsing through AWS documentation, it looks like you can set the SMSType to Transactional for critical messages that support customer transactions. I'm not sure if other providers have this option but looking for an SMS Type you can set may be a good place to start. The link to where I found the information is below. They don't talk too much about it. They use the example of an OTP so that should work for your use case as well. https://docs.aws.amazon.com/sns/latest/dg/sms_publish-to-phone.html https://docs.aws.amazon.com/sns/latest/dg/sms_publish-to-pho...