Retell AI

Retell AI, previously recognized as Adam Translate, operates out of San Francisco, CA, and employs a team of five. As a participant in Y Combinator’s W24 batch, the company focuses on the B2B sector, specifically providing conversational Voice API for LLM integration across the United States and Canada. Retell AI is dedicated to improving the Voice AI user experience by addressing common issues such as awkward conversational flows, misunderstandings, and robotic tones. The company’s technology enables rapid deployment of Voice AI systems, reducing setup time from months to just a day, and supports integration into various products across any industry. Retell AI offers a no-code playground for API testing, extensive documentation, and tutorials for developers. Its pricing model includes a pay-as-you-go option with 10 minutes of free access and an enterprise plan for larger or specialized needs. Noteworthy updates in its changelog include the introduction of new TTS providers like Deepgram, additional voice options from 11labs, and enhanced control features for voice modulation. The company also highlights a customer story with Avvy Tech and has upgraded its technology stack, including a Python backend with FastAPI and an improved web frontend SDK.