One OpenAI-compatible API for 138 models from 21 makers: OpenAI, Anthropic, Google, Mistral, DeepSeek, ByteDance and more. Text, image, video and audio with a single key. Point your existing code at our base URL and it works, including Cursor and any OpenAI SDK client. Pay per call with credits, no subscription, no minimums. Smart routing picks the best provider and fails over automatically when one is down. Per-key spend limits and a live cost dashboard included.