I kept running into the same friction: every new project meant registering on yet another model provider, topping up yet another wallet, and rewriting integration code every time I wanted to try a different video model.
So we built Viddra: one REST API that fronts 20+ models — Kling 3.0, Veo 3.1, Seedance 2.x, Wan 2.6/3.0, Hailuo — with per-second billing and no subscription.
What it does:
- One API key, one bill, every frontier video model
- Pay per second (Kling 3.0 $0.18/s, Veo 3.1 Fast $0.20/s, Hailuo H3 from $0.12/s)
- Async task API: POST → poll → download mp4
- Failed tasks auto-refund; optional monthly spend cap per key
- $1 free credit on signup, +10% bonus on top-ups
Full disclosure: I work on Viddra, so obviously take my enthusiasm with a grain of salt. The pricing table is public at viddra.com/models if you want to verify the numbers yourself.
Happy to answer anything about the API design or the per-second billing model — and if you've built with other video APIs, I'd genuinely like to hear what you'd want to see different.
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