Retell AI offers an API for creating voice agents with human-like speech capabilities for developer integration.

Synthflow is a no-code voice AI platform that enables enterprises to automate high-volume customer calls, from appointment scheduling to support and lead qualification. With 200+ integrations and enterprise-grade security, Synthflow helps organizations scale 24/7 service while reducing costs by up to 90%.

AI Voice Generator and research lab. Convert text to speech in any voice, style and language with the most powerful AI speech tool ever.

Kore.ai is a leading provider of advanced AI with a decade of experience in helping enterprises realize business value through the safe and responsible use of AI. The company’s innovative platform, no-code tools and solutions are used to deliver end-to-end customer and employee experiences from automated to human-assisted and to build generative AI-enabled applications. Kore.ai takes an open approach allowing companies to choose the LLMs and infrastructure that best meet their business needs. Trusted by over 200 partners and 400 Fortune 2000 companies, Kore.ai helps them navigate their AI strategy. The company has a strong patent portfolio in the AI space and has been recognized as a leader and an innovator by top analysts. Headquartered in Orlando Kore.ai has a network of offices to support customers including in India, the UK, the Middle East, Japan, South Korea, and Europe.

Five9 is the leading global provider of on-demand call center software for telesales, telemarketing, customer service, help desks and order processing.