Same catalog, two API shapes. OpenAI clients use https://kasva.dev/v1. Anthropic clients use https://kasva.dev. Model kasva/auto. Key from register.
/v1/chat/completions. Base URL includes /v1.Anthropic/v1/messages. Client base is the origin.BYOKYour provider keys. Hosted open models if you skip that.ImagesPOST /v1/images. Not chat completions.AccountRegister, keys, credits, Pro.