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Authentication | FAQs - General

Looking for an answer to a specific question? We've collected the most frequently asked questions about Authentication for you. 

If any questions arise while reading, you can contact us under support@tyntec.com. 

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General

Frequently Asked Questions

What is the difference between 2FA API and tyntec’s OTP SMS API?
How does the 2FA API work?
What usecases does the 2FA API support?
Can I use the 2FA API with any number in the world?
How can I retry a verification attempt?
How much is tyntec’s 2FA API?
Is there a charge for additional verification attempts?
How long does it take to verify a phone number with tyntec’s two-factor authentication codes?
How are PIN codes for 2FA generated?
How do I map the PIN code/OTP the customer enters for the original request?
What is the length of a 2FA PIN code/ one-time password?
Can I provide my own 2FA codes?
What should I do if I haven't received a 2FA PIN code?
What is the validity period for 2FA API’s PIN codes?
Why is my 2FA SMS/TTS (Text-to-Speech) call not in the primary language of the destination country?
What are the benefits of using phone numbers as a digital identifier?
Why should I use SMS for authentication?
How many times can a customer enter a PIN code?
Where can I see the status of a PIN code/OTP?
What happens if the line is busy or there is no answer when receiving a TTS call?
How do I know whether TTS or SMS will be used?