The powerful trade association that shapes the global energy landscape

Health · Published 18 October 2026 Swipe more like this →

In short: The American Petroleum Institute represents nearly 600 corporations, wielding immense influence over public policy and industry standards. From defining the density of petroleum to managing massive lobbying budgets, this organization sits at the intersection of global energy production, economic stability, and the heated debate over climate change.

Established in New York City on March 20, 1919, the American Petroleum Institute (API) acts as America's premier group representing oil and gas firms. Its reach extends far beyond simple advocacy; the API establishes critical industry standards, such as the API gravity measure for petroleum density and the API SP specification for engine oil performance. It even manages the Crude Oil Data Exchange (CODE), an electronic business standard in use since 1978.

The organization's influence is deeply felt in the political arena. Between 2005 and 2009, the API spent more than $3 million annually on lobbying. In 2009, the group utilized 16 lobbyists to influence Congress and the Department of State, specifically focusing on issues like Canadian oil sands. The API has also been a central figure in climate debates, having been criticized for advancing climate change denial and blocking legislation to protect its members' interests. This includes a 200 and 2009 effort to organize employee-led protests against cap-and-trade legislation.

The API's role in scientific and economic discourse is complex. While it funds and conducts research into environmental and toxicological effects, it has also faced accusations of promoting disinformation. For instance, documents revealed that scientist Willie Soon received $1.25 million over 14 years from groups including the API to support studies questioning the severity of climate change. Conversely, the industry's technical reach is vast, providing essential data like the API number for identifying U.S. wells and the API unit for measuring natural gamma radiation in boreholes.

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