I wrote a blog post about their API - IPO. At one point when I was building a SAAS sms app, I emailed 579 SMS providers to find quotes on better pricing. http

I wrote a blog post about their API - IPO. At one point when I was building a SAAS sms app, I emailed 579 SMS providers to find quotes on better pricing. https://medium.com/@datarade/twilio-ipo-thoughts-997c36c9440c#.j8fn79aik https://medium.com/@datarade/twilio-ipo-thoughts-997c36c9440... One thing that I find incredibly surprising is that they often white-label and sell on top of other providers like infobip/nexmo. They don't have tier 1 connections and as well they don't scale very well internationally.