API's (Application Program Interface) are a set of routines that are used to interact with web applications. API's provide a secure and easy way for applications to open up to 3rd party developers. There are a number of tools which help manage API's by providing analytics, security and control. They can be used to adjust and track rate limits and track API usage. Analyzo has listed the best API Management Services that you can choose from based on your requirements. Click on Quick View to see plan features or compare plans across companies.