AI Video API is a developer-focused platform that unifies access to multiple leading video generation models, including Veo 3.1, Sora 2, Kling 3.0, Seedance 2.0, and WAN 2.6. It supports text prompts, image references, video references, audio references, and first/last-frame workflows. The platform offers asynchronous generation, webhook callbacks, credit-based pay-as-you-go billing, IP whitelisting, spend limits, and dashboard analytics. It is built for reliable production use and simplifies integration by replacing multiple provider accounts with one API key.