Purchase API Standards & Software
API offers over 1,000 publications to help the natural gas and oil industry safely, efficiently, and responsibly supply energy to billions of people around the world. Here is how you or your organization can obtain them today:
Publications Bookstore/Catalog: Purchase single-user copies of individual standards and download the API Publications Catalog.
Subscription Service: Gain organization-wide access to API Standards with a subscription on API's standard subscription service. This digital platform gives you the latest updates, references, and comparison tools so you can ensure safety, compliance, and interoperability. Complete the form on this tab to receive information about how getting your standard's online can help your organization today, and download the API Subscription Service fact sheet.
Authorized Distributors: Verify that you are purchasing API Standards through an authorized distributor to ensure you will obtain full, accurate, and current editions.
Software Products: Learn about API’s software product offerings and where you can purchase them online.
If you have any questions about purchasing a document, please contact APIPubs@api.org
Below is the 2021 catalog of API publications, which include standards, data products, and software. You may also choose to view the catalog sections by industry segment.
Catalog Sections by Industry Segment
subscription Inquiry Form
API now offers a direct subscription service to the standards your organization needs via API Compass.
Access standards, mitigate risk with the latest change management tools like new standards alerts, red-lining capability, and organization-wide annotations, analyze available standards, and make gap analysis notes to reduce reliance on internal standards (increasing efficiencies), and support other API initiatives through this direct licensing platform. Learn more about API's standard's subscription service.
Subscribers can sign up by industry area or for the complete API collection. The most used standards are also available in two convenient formats (PDF and HTML/online).
Complete the form below and find out how easy it is to obtain a customized subscription to help reduce risk and save your organization time and money.
Measurements Chapter 11.1 Volume Correction Factors
Quorum Software is the only distributor that is licensed by API to develop, market, and support the API MPMS Chapter 11.1 Code (Temperature and Pressure Volume Correction Factors for Generalized Crude Oils, Refined Products, Special Applications, and Lubricating Oils). This information is available in equations relating volume to pressure which contains physical data that has direct application to volumetric measurements of liquid hydrocarbon.
API Technical Data Book
The API Technical Data Book, co-published and updated annually by the American Petroleum Institute and EPCON International, is the source for the latest, most accurate technical data, methods, and standards on petroleum refining officially sanctioned by the American Petroleum Institute.
SANGEA 4.2 GHG Emissions Estimating System
SANGEA™ is an emissions estimation software tool for the oil and natural gas industry to quantify greenhouse gas (GHG) emissions and standardize emissions reporting. It is based on the 2009 API Compendium of Greenhouse Gas Emissions Methodologies for the Oil and Gas Industry and US EPA Mandatory Reporting Rule Subparts C, P, W and Y, including recent updates (RY2015) to US EPA MRR reporting requirements. The software also includes US EPA AP-42 emission factors for criteria pollutants.
API RBI Software
API RP 580 is a Risk-Based Inspection document that identifies the basic elements for developing, implementing, and maintaining an RBI program. API RP 581 documents a quantitative approach to implementing RBI. Its methodology involves a rigorous quantitative assessment of the PoF (Probability of Failure) and the CoF (Consequence of Failure) associated with each equipment item in a particular process unit
The Equity Engineering Group, Inc.’s software is the only API-branded RBI software product that is compliant with API RP (Recommended Practice) 580.
As of December 31, 2018, the E&P TANKS v3.0 software is no longer distributed.