...

1. 1. Verify the validity of access token
   2. Check user scopes in order to perform this action
      1. In case error - generate 401 response

Verify code

1. 1. Search active code for phone number
   2. Check code expiration period
   3. Compare codes

Matched

1. 1. Deactivate code

   2. Add phone number to verified_phones

Not matched

1. 1. Deactivate code

   2. Invoke Send verification code
   3. Return errorcall Complete OTP Verification method