The American Petroleum Institute (API) is the only national trade association that represents all aspects of America’s oil and natural gas industry. Our more than 600 corporate members, …

Complete reference documentation for the OpenAI API, including examples and code snippets for our endpoints in Python, cURL, and Node.js.

Explore resources, tutorials, API docs, and dynamic examples to get the most out of OpenAI's developer platform.

At American Proficiency Institute every aspect of your proficiency testing is controlled by you -- how you choose to receive your test kits, how you report results, and whether to review test …

What is Web API? API stands for A pplication P rogramming I nterface. A Web API is an application programming interface for the Web. A Browser API can extend the functionality of …

2 days ago · Google’s Interactions API is a unified interface for interacting with Gemini models and agents.

Aug 31, 2025 · Our API platform offers our latest models and guides for safety best practices.

Find API-approved companies with active licenses or registrations. Use the Composite List to get accurate, real-time information. Search the directory today.

Congress.gov shares its application programming interface (API) with the public to ingest the Congressional data. Sign up for an API key from api.data.gov that you can use to access web …

Our API has predictable resource-oriented URLs, accepts form-encoded request bodies, returns JSON-encoded responses, and uses standard HTTP response codes, authentication, and …