Voice biometric authentication is becoming increasingly accessible, with APIs like Twilio making it easier for organizations to implement this technology. Unlike traditional passwords, voice biometrics use digital sampling to verify a speaker's identity, which is harder to replicate and thus more secure. While large institutions such as banks and government departments have traditionally adopted voice authentication, the technology is now available to a broader audience through services like VoiceIt, which offers integration with Twilio for a seamless user experience. The process involves creating a voice print through enrollment, where a user repeats a phrase multiple times, and this print is then used for future authentication. The system can be set up to use users' phone numbers as identifiers, simplifying the process, and is particularly useful for two-factor authentication scenarios. Through a REST API, businesses can fine-tune the matching algorithms to adjust the strictness of authentication, making it a versatile tool for enhancing security in various applications.