Show HN: I made a web app to bring children's drawings to life

I believe it focuses more around using masks to build out a "rigging" to animate them.

https://about.fb.com/news/2021/12/using-ai-to-animate-childr...

https://fairanimateddrawings.com

Conversely, sounds like this is just feeding directly into the Kling API though. I'd say pricing is going to be the roughest aspect since they're definitely not cheap.

To add to this - Kling's I2V model (even as of v1.6) is pretty inconsistent when it comes to 2D imagery - even in your cherry picked examples they're unfortunately morphing all over the place. Since you have no control over the model or even the end result outside of minimal positive/negative prompts, I think you'll find prospective customers getting potentially frustrated.