# Firebase SMS security authentication without email possibile?
**URL:** https://community.thunkable.com/t/firebase-sms-security-authentication-without-email-possibile/75692
**Category:** Questions about Thunkable X
**Tags:** firebase, sms
**Created:** [May 2, 2019, 3:42pm UTC](https://community.thunkable.com/t/firebase-sms-security-authentication-without-email-possibile/75692 "2019-05-02T15:42:13Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@maxb](https://community.thunkable.com/u/maxb)
#### Post date: [May 2, 2019, 3:42pm UTC](https://community.thunkable.com/t/firebase-sms-security-authentication-without-email-possibile/75692/1 "2019-05-02T15:42:13Z")
I’d like to have firebase authentication through SMS OTP, without using the email (slower and less userfriendly), is it possible in Thunk X?
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### Author:  [@domhnallohanlon](https://community.thunkable.com/u/domhnallohanlon)
#### Post date: [July 9, 2019, 2:41pm UTC](https://community.thunkable.com/t/firebase-sms-security-authentication-without-email-possibile/75692/2 "2019-07-09T14:41:00Z")
2 posts were merged into an existing topic: [I really need help understanding Firebase Security… Help Please](https://community.thunkable.com/t/i-really-need-help-understanding-firebase-security-help-please/73341)
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### Author:  [@domhnallohanlon](https://community.thunkable.com/u/domhnallohanlon)
#### Post date: [July 9, 2019, 2:41pm UTC](https://community.thunkable.com/t/firebase-sms-security-authentication-without-email-possibile/75692/3 "2019-07-09T14:41:01Z")