AI startup White Circle has raised $11 million in a seed funding round. According to Odaily, notable executives from major AI companies, including OpenAI's Romain Huet and Anthropic's Durk Kingma, participated in the investment. White Circle offers a unified API for real-time monitoring of large model inputs and outputs. This service is designed to detect hallucinations, prompt injection attacks, harmful content, model drift, and malicious user behavior. Additionally, it supports customizable security policies, such as rate limiting and banning, along with automated governance.