Delivery rates on AWS are not great in my experience, and there's no easy way to automate some kind of event triggering when a delivery has failed (ended up cre

Delivery rates on AWS are not great in my experience, and there's no easy way to automate some kind of event triggering when a delivery has failed (ended up creating a lambda that reads the fail events from cloud watch). Plus, you have to specify a monthly spending limit that must be manually reviewed and enabled by Amazon, if you go over the limit, Amazon starts failing the SMS delivery, even when SNS responds with a successful status. AWS is great, but the biggest advantage of Twilio and other SMS providers is that they are way easier and straightforward to integrate.