Metlo

Metlo, previously operating under the names Supernote and MetricFlow, is a company located in San Francisco, CA, focused on providing B2B security solutions, specifically targeting API security. With a small team of four, Metlo has processed over 100 billion API calls and protected more than 100,000 endpoints while maintaining minimal impact on system resources, adding less than 0.2 milliseconds of latency and using at most 1% CPU and 50MB of memory per agent. The company offers an open-source platform that includes comprehensive documentation enabling users to start in under 15 minutes and various connectors for easy integration with other applications. Metlo allows for customizable security settings and automatically generates Open API Specs for use in documentation or other tools. It alerts users to new endpoints or data fields and provides an inventory of all API endpoints. Metlo also enables proactive testing of APIs before production and detects API attacks in real time. Having participated in the Y-Combinator batch S21 and launched in 2021, Metlo serves clients across the United States and Canada, including those preferring remote interactions.