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Comment by citricsquid | Hacker News Reader

When sent an SMS from Authy (in the UK) the sender is listed as "BulkSMS", would be nice if it was "Authy" or something, I didn't recognise why I would have an SMS from that sender until I opened it.

Looking at the pricing, is there any explanation of what "Users" and "Auths" mean exactly, is that people that can authenticate with the application, or people that do every month? Not entirely sure.

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#1. We wish. We use around 14 different cellphone # to bypass Spam etc on SMS. Most people don't understand how hard is to reliably send SMS internationally (twilio makes it look easy in the US :))

2. Auth's are times you call the verify/token API. Since it's an API you can decide when exactly when to call it. Most our clients authenticate tokens every 14 - 30 days. So people can authentication to your app via username - password or cookies and then sometimes via username - password - token. We only count an Auth when they do username - password - token.

I believe Twilio supports the UK.

Thanks for the clarification. Final question regarding the "large" plan, it lists "100,000+ Users" and "25,000+ Auth's/month", does the + mean there's no upper limit (with some degree of fair usage)?

The + means at the plan we you can buy more auth's granularly. So you can buy 5000 more auth's if you need or users too. Prices depend on volume.

Great, thanks!

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