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, from the largest …

Jan 2, 2026 · The API Portal is your login for everything you do with API including the Webstore, the ICP Portal, myCerts, Engine Oil, Diesel Exhaust and Energy Excellence applications.

The American Petroleum Institute (API) represents all segments of America’s natural gas and oil industry, which supports nearly 11 million U.S. jobs and is backed by a growing grassroots …

Since 1989, API’s Individual Certification Programs (ICP) have provided the petroleum and petrochemical industries with an independent and unbiased way to evaluate the knowledge and …

The American Petroleum Institute (API), established in 1919, is the global leader in developing consensus-based standards for the oil and gas industry. Over the past century, API has created …

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As the primary trade association of the oil and natural gas industry, API represents nearly 600 members involved in all aspects of petroleum. Our association draws on the experience and expertise of our …

Join industry leaders and rising professionals at the 2026 API Inspection & Mechanical Integrity Summit (IMIS) for expert training, cutting-edge presentations, innovative exhibitor showcases, and …

Jan 2, 2026 · The API Portal is your login for everything you do with API including the Webstore, the ICP Portal, myCerts, Engine Oil, Diesel Exhaust and Energy Excellence applications.

API works with leading industry subject-matter experts to develop and maintain more than 800 Standards and Recommended Practices for the natural gas and oil industry that drive safety, …