Text to Speech and Speech Recognition API for developers
iSpeech provides cloud-based Text-to-Speech (TTS) and Automated Speech Recognition (ASR) APIs that enable developers to speech-enable any internet-connected application. With support for 27 languages, multiple audio formats, SSML/MathML markup, and SDKs for JavaScript, Python, PHP, .NET, Android, and iOS, iSpeech makes it easy to add voice capabilities to web and mobile apps.
Convert text to natural-sounding speech audio in multiple voices, formats, bitrates, and playback speeds
Transcribe spoken language into text with support for various accents and dialects
TTS and ASR support for 27 languages plus 15 languages for free-form dictation
Fine-tune speech output with Speech Synthesis Markup Language and Math Markup Language
Get precise word position timestamps and mouth position data for lip-sync animations
Native SDKs for JavaScript, Python, PHP, .NET, Ruby, Perl, Android, and iOS
Support for URL Encoded, XML, and JSON API formats with configurable audio output
Add text-to-speech to websites and apps to make content accessible to visually impaired users
Quickly integrate TTS and ASR into applications via REST API and native SDKs
Convert written educational materials into audio format for read-along experiences
Generate one-off audio clips from text without complex setup or high costs
Ready-to-use text-to-speech applications for web browsers and mobile devices

The world's most realistic and expressive voice AI with emotional intelligence