Pixapi is a visual AI API with transparent credit pricing. Connect Nano Banana, GPT Image 1.5/2, Veo, Kling and Wan through one Bearer key and a single credit balance covering image generation, image editing and async video tasks. See the required credits before every request, so budgeting and UI cost displays are trivial. Most supported routes price 20-49% below official list, with Nano Banana from 2 credits (~$0.02).