API State and County Codes County Codes - These codes are the same as in American Petroleum Institute Bulletin D12A (1979) with .

This document was produced under API standardization procedures that ensure appropri ate notification and participation in the developmental process and is designated as an API standard.

API 570 covers inspection, repair, alteration, and rerating procedures for metallic piping systems that have been in-service. API 570 was developed for the petroleum refining and chemical process …

Jan 30, 2026 · REST API isn’t required to compress the response even if you’ve specified Accept-Encoding, but it normally does. If compressed, the response contains a Content-Encoding header …

Question 2: When welding procedure is qualified to API 1104, Section 5, is it correct to say that a separate procedure is not required for the weld that subjected to be repaired with same procedure …

To see all the API functions REDCap is capable of, and export a .zip file of sample code, click on the “REDCap API documentation” link that is available on both the “API” page and in the “API Playground.”

Suggested revisions are invited and should be submitted to the Standards Department, API, 200 Massachusetts Avenue, NW, Suite 1100, Washington, DC 20001, standards@api.org.