The Intrinio Over the Counter (OTC) Real Time Stock Prices API offers stock prices from the OTCQX, OTCQB, and OTC Pink exchanges. The API is based on a low latency architecture which provides real-time level 1 streaming tick data. The API employs WebSocket as a communication protocol for real-time capabilities. Intrinio offers payment plans for non-professionals, professionals, and enterprises. Intrinio is a provider of financial services that delivers data collection, data entry, and data analysis tools.