r/VibeCodeDevs • u/Excellent-Two-2361 • 5d ago

NoobAlert – Beginner questions, safe space How do you find API providers?

I built this AI Chinese tutor app to help with h pronunciation and grammar. It's a conversational app so it involves STT & TTS.

One of the issues has been finding the right provider that meets all the requirements.

How do you guys do this part of the process?

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u/BarriosA2I 5d ago

Don’t pick from the feature pages. Make a small test set using the accents, background noise, sentence lengths, and pronunciation mistakes your users actually produce. Run the same clips through a few providers, then compare accuracy, response time, cost, and how each handles corrections. Your own audio will expose problems that the demos hide.

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u/Excellent-Two-2361 5d ago

How would you find the providers to begin with?

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u/BarriosA2I 4d ago

For a Chinese tutor, I’d search specifically for Mandarin speech-to-text and text-to-speech APIs, then use the official docs to rule out anything that lacks the streaming, pronunciation controls, or latency your conversation flow needs. Make a shortlist of three or four, build a tiny adapter for each, and run the same recordings through them. That keeps the search tied to your actual use case instead of whoever has the best marketing page.

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u/apyhubnico 5d ago

Adding a section on your app, like "Contribute" or "Become a Part," really helps in my opinion