Question: Is there a text-to-speech platform that can integrate with my existing app or service, and offer a range of voices and languages?

If you need a text-to-speech platform that can be integrated with your existing app or service, Acapela Group is a good option. It offers support for more than 30 languages and 200 voices, all generated with neural network technology for natural-sounding digital voices. It also offers SDKs and APIs for easy integration, and is good for accessibility, customer service, and education.

Another big option is LOVO, which has more than 500 voices in 100 languages. Its features include voice generation with precise timing, AI script generation and auto subtitles in multiple languages. LOVO also offers an API for developers to incorporate advanced AI voices into their apps or services, so it's a good option for businesses, content creators and educators.

Verbatik is another good option, with more than 600 realistic voices in 142 languages and accents. It also offers instant conversion and customizable voices, along with tools like Script Writer AI and Sound Studio. Verbatic also offers an API for integration, and is good for marketing, education and customer service automation.

If you want a realistic voice generation experience, PlayHT has a library of more than 600 ultra-realistic AI voices. It supports multiple languages and accents, and offers custom pronunciations and real-time voice cloning. PlayHT is flexible and can be used for video voiceovers, audio publishing and conversational AI, and offers an API for integration with other apps.