BuildwithNur'sVoiceAI
Reference docs for text to speech, speech to text, voice agents, voice cloning, dubbing, and audio tooling across the Nur platform.
Get API Access
Open the app or contact us to provision the right environment for your team.
Install an SDK
Start with Python or JavaScript, then expand into streaming or server-side integrations.
Make a Product Request
Choose TTS, STT, voice agents, cloning, or dubbing and send the first request fast.
Authentication
All API requests require authentication via a Bearer token in the Authorization header. Start with the same auth model across TTS, STT, voice agents, dubbing, and the rest of the platform.
SDKs
Python
JavaScript / TypeScript
Go
Base URL
All endpoints are relative to this base URL. All requests must use HTTPS.
Endpoints
Speech to Text
2 endpoints
Text to Speech
2 endpoints
Conversational AI
3 endpoints
Voice Agents
4 endpoints
Voice Cloning
4 endpoints
Voice Changer
2 endpoints
AI Dubbing
3 endpoints
Music Generation
2 endpoints
Audio Tools
2 endpoints
Rate Limits
| Tier | Requests | Characters | Voice Clones | Dubbing | Music |
|---|---|---|---|---|---|
| Free | 100/min | 10K/month | 1 | 5 min/month | 10 tracks/month |
| Pro | 1,000/min | 500K/month | 10 | 120 min/month | 200 tracks/month |
| Business | 5,000/min | 2M/month | 50 | 600 min/month | 1,000 tracks/month |
| Enterprise | Custom | Unlimited | Unlimited | Unlimited | Unlimited |
Error Codes
| Code | Status | Description |
|---|---|---|
| 400 | Bad Request | Invalid parameters or missing required fields. |
| 401 | Unauthorized | Missing or invalid API key. |
| 403 | Forbidden | API key does not have permission for this resource. |
| 404 | Not Found | The requested resource does not exist. |
| 409 | Conflict | Resource already exists (e.g. duplicate voice name). |
| 413 | Payload Too Large | File size exceeds the maximum limit. |
| 429 | Rate Limited | Too many requests. Retry after the Retry-After header value. |
| 500 | Server Error | Internal error. Contact support if persistent. |
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