There are three standard ways to manage API authentication these days: API keys, OAuth tokens and JSON Web tokens (JWT). Adam Duvander over at the Zapier engineering blog explains how and when to use them. The humble API key is the common and earliest form of API authentication.
Fourteen APIs have been added to the ProgrammableWeb directory in categories including Cryptocurrency, Payments, and Transportation. Also new to the directory is the Samsara API Industrial IoT, and the Snyk API for open source security. Here's a rundown of the latest additions.