Understand each answer
Read why the correct answer works and why an incorrect answer does not fit. Follow the supporting clause and page reference for further study.
API 570 Exam Prep 2026
Piping inspector exam practice
API 570 certification practice
Prepare for API 570 piping inspector certification with explained questions, guided calculations and code references. Review missed concepts and choose what to study next.


Questions, calculations and review
Practice a question, understand the rule and revisit the concepts that need more work.
Read why the correct answer works and why an incorrect answer does not fit. Follow the supporting clause and page reference for further study.
Enter one operation at a time for problems such as corrosion rate, remaining life, pipe thickness and test pressure. Check each entry and review the method.
Find a concept by topic or clause. Read a short explanation, follow its references and open linked practice or a calculation example.
Locate a supporting rule in your own code book, then choose its source location. Review lookup time and clause-match accuracy separately.
Open the related topic explanation after answering a question. Continue with a related question and return to questions that are due for review.
See which questions you have practiced and which are due for review. Choose a topic or a short daily session, with an optional reminder around your schedule.
Inside the app
Preview answer explanations, guided calculations and the study library.
Piping inspection practice
Practice topics from the API 570 piping inspection code and ASME B31.3 through focused questions, explanations and calculations.
Use the supporting clause references to continue studying in your own code books.