American Petroleum Institute | API
The American Petroleum Institute (API) is the only national trade association that represents all aspects of America’s oil and natural …
API Paperless Proficiency Testing
At American Proficiency Institute every aspect of your proficiency testing is controlled by you -- how you choose to receive your test …
API - Wikipedia
An API is often made up of different parts which act as tools or services that are available to the programmer. A program or a …
Introduction to API (Application Programming Interface)
Sep 28, 2026 · An API (Application Programming Interface) is a set of rules that allows different software applications to …
API Portal
Oct 29, 2026 · The API Portal is your login for everything you do with API including the Webstore, the ICP Portal, myCerts, Engine …
API
Our Clinical Proficiency Testing Programs. We offer comprehensive programs that cover the clinical laboratory. You need a provider …
Individual Certification Programs | American Petroleum Institute | API
Become API certified in 510, 570, 653, 1169, and more. Learn how these trusted credentials help professionals succeed—start your …
API Platform | OpenAI
Apr 30, 2026 · Our API platform offers our latest models and guides for safety best practices.
What is an API? - GitHub
An API is a set of rules and definitions that enable software systems to communicate. Learn how it works, API types, use cases and …
OpenAI API
Jun 11, 2020 · We’re releasing an API for accessing new AI models developed by OpenAI. Unlike most AI systems which are …