: The most recent correction document is available at API.org . Errata 5 (May 2024) : Available for download at API.org .
https://www.api.org/publications-and-resources/-/media/files/1.../api-spec-6a-21st-edition-pdf api specification 6a 21st edition pdf link
The transition from the 20th to the 21st edition brought several critical shifts in safety and technical requirements: : The most recent correction document is available at API
: You can purchase the standard or subscribe for organization-wide access through the API Webstore API Compass platform Public Access api specification 6a 21st edition pdf link