The official fee is USD 1,050 - 1,300 (varies by region/retake) per attempt, and the passing score is Minimum scaled score of 70%. A failed attempt means paying the entire fee again — which makes the 175 practice questions from iPassleader the cheaper rehearsal. Self-test until the pass mark feels routine, then book.

Your files arrive fast: successful payment triggers an automatic email within a minute, with instant download access and no installation limits — our 24/7 customer assistance handles anything still missing after 2 hours. And failure isn't the end: take the corresponding API-510 exam within 60 days of purchase, and if you don't pass, submit a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam for a full refund processed within 7 days. Exclusions: exams within 3 days of purchase, name mismatches between candidate and payer, and free or expired products. You can also choose to change to two other equal-value exam products free instead of the refund.

The API Pressure Vessel Inspector blueprint spans 2 domains — among them Part A - Closed Book (Morning Session), Part B - Open Book (Afternoon Session). Weightings are the vendor's way of saying where points concentrate, so budget your time accordingly. The full outline above details every subtopic.

Yes — download the free trial before you buy and check the question quality yourself. Purchases include 365 days of free updates, and if your update period expires later, renew it at half price.

Minimum of 5 years experience in pressure vessel inspection, design, fabrication, or repair. Education may substitute for up to 2 years of experience. Since vendors revise eligibility rules, confirm the current requirements on the official exam page (official API-510 exam page) before registering.

The API Pressure Vessel Inspector is API's official exam for the Individual Certification Programs certification, at the Intermediate level. It tests real professional knowledge and experience — that's why it's considered difficult, and why the credential means something. It also connects to related credentials like API 510 Pressure Vessel Inspector Certification, API 570 Piping Inspector, API 653 Tank Inspector.

You'll get 240 (Closed Book) + 180 (Open Book) for 145 (Part A) + 10 (Part B) questions. Lack of time sinks more candidates than lack of knowledge — so build your pacing now: set a per-question budget, practice flagging hard items, and run full timed sessions in the iPassleader engine until the clock feels like an ally.