Your workspace › Speech studio
MAKE EVERY WORD COUNT
● Independent voice engineA voice for your next big idea.
Natural narration, thoughtful voices, and room to make it your own.
Your script
English narration0 / 10,000 characters
Your latest generations
♫
Let’s hear what’s next.
Your generated audio will appear here, ready to play and download.
Find your voice.
A small, considered collection. American and British English.
SOMETHING UNIQUELY YOURS
Create a voice profile
Upload a clean, single-speaker recording, 3–30 seconds long. Up to 10 MB. We use OpenVoice V2 to adapt a base voice to your sample.
Your generations
Your latest 50 generationsCredit activity
Failed and cancelled jobs are refundedYour voice API
Connect a course platform or another application to Manyvoices. Keys and audio belong to your account.
Copy this key now. It is only shown once.
Generate your first narration
REST APIcurl https://manyvoice.usecourselab.com/api/jobs \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: a-unique-job-reference" \
-d '{
"text": "Welcome to your next lesson.",
"voice": "af_heart",
"speed": 1.0
}'The response contains a job ID. Poll GET /api/jobs/{id}; when completed, download GET /api/jobs/{id}/audio with the same key. Reusing an idempotency key returns the original job without charging again.