Use the IBM Watson Text to Speech service to synthesize written text to natural-sounding speech. The synthesized audio uses appropriate cadence and intonation for its language and dialect. The documentation describes the Text to Speech service for IBM Cloud, IBM Cloud Pak for Data, and IBM Cloud Pak for Data as a Service.
Trust signals
Pricing
FREEMIUM
Auth
API_KEY
CORS
Yes
Rate limit
Unknown
Health
927ms
Trust score
88 (B)
Last checked Oct 19, 2026 · uptime 24h 100% / 7d 100% / 30d 100%
Strong candidate; weakest signal is OpenAPI availability.
Integration checklist
- Auth is API_KEY
- CORS enabled — callable directly from browsers.
- Rate limit: Unknown