Send a one-time verification code to a phone number. Handles blocked numbers automatically with one free retry. Code valid for 5 minutes.
The phone number to verify in E.164 format. e.g. +14155552671
Options for the phone verification, such as code_size, locale, and preferred_channel.
A dictionary of signals for fraud detection. Keys are signal names (string) and values are signal values (string).
A unique identifier for the vendor or user, such as a UUID or email. This field enables proper session tracking and user data aggregation across multiple verification sessions.