Building a voice AI tool presents several unique challenges, including injecting realistic conversational intelligence into the dynamic between humans and AI. Voice conversations are fluid and unpredictable, requiring low latency to create a seamless experience. Latency issues can lead to awkward pauses and interruptions that degrade the quality of interaction. Optimizing each step of the process, from efficient voice recognition algorithms to fast NLP processing and quick response generation methods, is crucial to making the interaction as close to real-time as possible. With advancements in LLMs, new applications for GenAI are emerging, including customer service and support, internal support, personalized customer experience, smart home and IoT devices, and more. The Vapi platform makes it easy to build, test, and deploy voicebots, providing a powerful tool for enhancing human-AI interaction.