From the use of firebase OTP verification using a phone number is FREE. The free plan of firebase has Ten Thousand Verification per month , but if you exceed this limit, you need to pay for that.1 Eyl 2021
From the use of firebase OTP verification using a phone number is FREE. The free plan of firebase has Ten Thousand Verification per month , but if you exceed this limit, you need to pay for that.1 Eyl 2021