show HappyHorse 1.0 API looks like a serious building block for video apps

I pay attention to AI video launches mostly for one reason: can I build around them without inventing a ton of glue logic?

HappyHorse 1.0 just got public API access, and the structure is better than most.

What it ships with:

• text-to-video

• image-to-video

• multi-reference video generation

• natural-language video editing

What I like:

• separate endpoints for separate workflows

• simple per-second pricing

• prompt patterns that seem designed for controllability

A few practical notes from the launch material:

• camera language matters a lot

• numbered shot prompts seem to work well

• i2v becomes more reliable when you describe motion instead of the source image

• short durations appear to be more stable for living-photo style output

Pricing:

• 720P: 0.9 RMB/sec

• 1080P: 1.6 RMB/sec

I think this is interesting for builders working on:

• creative copilots

• ad generators

• product demo tools

• image-to-video storytelling apps

Tried through EvoLink.

The shift I'm watching: video models are finally being packaged as workflow-aware APIs instead of showcase demos.