Unmixr AI - Text to Speech, Speech to Text, Audio/Video Dubbing

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Slock08Slock08
Slock08PLUS
Jun 22, 2025

Q: API limits

- API max characters length constraints per output/generation?
- Please break down API limits (max characters length) for each LTD tiers

Founder Team
Shariful96421

Shariful96421

Jun 23, 2025

A: Hi Slock08,
All API request including AppSumo has API limit of 2K character per limit. This limit will increase over time.
Regards,
Shariful

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@Shariful Okay, so currently about <2 minutes audio per API generation. Noted that you’re working to increase the limit over time too.

Is there a API credit limit *per month*?

Yes, Tier 3 -> 200K prebuilt characters, 50K voice cloning chars
Tier 4 -> 500K prebuilt characters, 100K voice cloning chars

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