NVIDIA Riva TTS (German) on OVHcloud

OVHcloud AI Endpoints No signup

The catch: Anonymous calls are capped at 2 requests a minute per IP. With a key it is listed as Free at 400 requests a minute, but keys need a Public Cloud project with a payment method. Not OpenAI-compatible: it uses NVIDIA Riva's own REST or gRPC API.

Access	No signup
Free limits	2 requests per minute per IP without a key (anonymous), per the catalog’s rate_limit_api_anonymous field.
Modality	audio
Credit card	Not required
Commercial use	Allowed
Trains on your data	No
Licence or terms	OVHcloud Public Cloud Specific Conditions, Appendix 10 (AI Endpoints) + each model’s licence
Context window	–
Model id	`nvr-tts-de-de`
Base URL	`https://nvr-tts-de-de.endpoints.kepler.ai.cloud.ovh.net/api/v1`
Last checked	8 Oct 2026

How to use NVIDIA Riva TTS (German)

It speaks the OpenAI API at https://nvr-tts-de-de.endpoints.kepler.ai.cloud.ovh.net/api/v1, so the OpenAI SDK you already use works once you change the base URL and key.

Quickstart

curl https://nvr-tts-de-de.endpoints.kepler.ai.cloud.ovh.net/api/v1/tts/text_to_audio -H "Content-Type: application/json" -H "accept: application/octet-stream" -d '{"encoding":1,"language_code":"de-DE","sample_rate_hz":16000,"text":"Hallo Welt","voice_name":"German-DE-Male-1"}' --output speech.wav

Paste into Claude Code

I want to use the free AI model "NVIDIA Riva TTS (German)" from OVHcloud (model id: nvr-tts-de-de) without signing up.
Please:
1. Check the provider docs and give me a minimal working request that needs no key.
2. Tell me the real limits and any catch (commercial use, data use, logging). Listed limits: 2 requests/min per IP, no key.
3. Tell me what changes if I get a free key, and when I should.

Provider docs Open it Compare all 507 free options

Before you ship on it

Anonymous calls are capped at 2 requests a minute per IP. With a key it is listed as Free at 400 requests a minute, but keys need a Public Cloud project with a payment method. Not OpenAI-compatible: it uses NVIDIA Riva's own REST or gRPC API.
Public Cloud Specific Conditions (version dated 26 Aug 2026), Appendix 10 – AI Endpoints: no clause limits commercial use; models are third-party products whose conditions ‘may contain usage restrictions’ the client…
Free tiers are shared capacity: treat the limits as a ceiling, not a promise, and keep a paid fallback.

Questions

Is NVIDIA Riva TTS (German) on OVHcloud free?

Yes. OVHcloud offers it as no signup, with these limits: 2 requests/min per IP, no key. No credit card is needed.

Can I use NVIDIA Riva TTS (German) on OVHcloud commercially?

Yes, under OVHcloud Public Cloud Specific Conditions, Appendix 10 (AI Endpoints) + each model’s licence. Check the current terms before you ship.

How do I start with NVIDIA Riva TTS (German) on OVHcloud?

It speaks the OpenAI API at https://nvr-tts-de-de.endpoints.kepler.ai.cloud.ovh.net/api/v1, so the OpenAI SDK you already use works once you change the base URL and key.

Source: catalog.endpoints.ai.ovh.net/rest/v1/models_v2, checked 8 Oct 2026.