Virtual number for flatkey
Receive your flatkey OTP / verification SMS on a temporary phone number. 1 countries · instant activation.
From $0.20
Get a one-time flatkey OTP
Pick a country, click Buy. The SMS arrives in seconds.
Need flatkey on the same number every month?
Rent a virtual number for 1 month, 12 months, or 3 years. The number is yours for the period.
Frequently asked questions
How do I receive flatkey OTP on a virtual number?
Pick a country below, click Buy, and the SMS will appear in your dashboard within seconds.
Does this work for flatkey verification in my country?
Most major countries are supported. Pick the country flatkey expects you to verify with.
Is the number reusable?
Temp-OTP numbers are single-use — perfect for one verification. For long-term use, rent a number from our Numbers page.