Do you know what your APIs are doing?

Almost every company is using at least some cloud services today, and they’re not just using packaged SaaS apps, PaaS services and IaaS virtual machines. Websites and custom apps are built using application programming interfaces (API) for everything from mapping and messaging, to analytics, fraud detection and speech recognition.

Software-as-a-service (SaaS) offerings often offer APIs that let you work with them through third-party apps and services, or even build your own. For example, more than 50 percent of Salesforce’s traffic — and revenue — comes through its APIs, rather than directly from its own Web-based service. For eBay, it’s 60 percent, and for Expedia it’s 90 percent. If you use Twilio for sending text messages for customer support or MasterCard fraud detection services, you’re relying on those APIs for your own key business processes. How do you measure and monitor them to find out if you’re getting an acceptable level of service?

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