AI startup White Circle has successfully raised $11 million in a seed funding round, attracting investment from senior executives at prominent AI firms, including Romain Huet of OpenAI and Durk Kingma of Anthropic. The company specializes in providing a unified API designed for real-time monitoring of large model inputs and outputs. This technology aims to detect issues such as hallucinations, prompt injection attacks, harmful content, model drift, and malicious user behavior. Additionally, White Circle's platform supports custom security policies, including rate limiting and blocking, as well as automated governance solutions.