Your exam. About $4.83 a day.

Yes. Open the study dashboard free with no signup, or take any exam's free practice test. You only pay when you want the full question bank, timed simulations and every study tool.

Because you get the full question bank and study materials the moment you pay, all sales are final. Try the free test and the free dashboard first so you know it suits you. The one exception is the Pass Guarantee: complete the full prep, and if you still fail, we refund 100%.

No. Because you get the full question bank and study materials the moment you pay, all sales are final. Try the free test and the free dashboard first so you know it suits you. The one exception is the Pass Guarantee: complete the full prep, and if you still fail, we refund 100%.

That's what the Pass Guarantee is for. Answer every question in the bank, read every study topic, pass 2 timed simulations and reach a Readiness Score of 80, then sit your exam within 60 days. If you don't pass, send your result notice within 30 days and we refund 100%.

For as long as your Premium subscription is active. Cancel any time from your account and you keep access until the end of the month you've paid for.

We check every exam page against API's published certification pages, fee schedule and the Publications Effectivity Sheet for each set of exam windows, and show the date it was last checked. In November 2026 that included the exam format (170 questions, 140 scored, 110 closed book and 60 open book over 7.5 hours), the 2026 and 2027 fees and windows, API 510 11th Edition with the 2025 ASME Code, API 570 5th Edition with B31.3-2024, and API 653 5th Edition with Addendum 4 and API 650 14th Edition for 2027.

No one can legally sell the actual exam questions. Ours are original questions written to API's published Body of Knowledge and the codes on each effectivity sheet, at exam difficulty, with an explanation for every answer and the code rule or calculation behind it, so you can check our work.

Yes. The API and ASME codes and standards on your exam's effectivity sheet are your core reading, and they're the PDFs you search in the open-book part. We're the extra practice: more questions, timed mock exams, flashcards and a Readiness Score so you know when you're ready.

No. Premium is per exam: each subscription unlocks one API exam (for example API 510), and you pick it at checkout. Going for a second certification? Add a subscription for that exam, and cancel each one when you're done.

Everything for the exam you choose, for as long as your subscription is active: the question bank, timed simulations, study notes, flashcards with spaced repetition, mind maps, video lessons as they release, your mistakes bank, detailed reports, the Readiness Score, all 5 bonuses and the Pass Guarantee.

Complete the full prep for your exam: answer every question in the bank, read every study topic, finish 2 timed simulations with your latest at or above the pass mark, and reach a Readiness Score of 80. Then sit your exam within 60 days while your access is active. If you don't pass, email us your official result notice within 30 days and we refund 100% of what you paid. Your dashboard tracks every requirement live.

A 0 to 100 score on your dashboard that combines your accuracy, how much of the bank you've covered, your timed simulation results and your flashcard mastery. Reaching 80 takes consistent above-pass-mark work across the whole bank, which is why it is the bar for our guarantee.

Your saved free-test results, a starter Readiness Score, the first study-notes topic and flashcards for every exam, the mind map outline, your mistakes bank and the API Inspector Formula Sheet. Upgrade any time to unlock the exam you're taking.

Yes. Premium is $147 a month per exam (about $4.83 a day) and renews monthly until you cancel. You can cancel in two clicks from your account, and there's no minimum term. Most people study for 1 to 3 months. If you want a whole year for one exam, the yearly plan is $1,323 for 12 months (3 months free) and renews once a year until you cancel.

Yes. Every account, including free ones, gets a personal referral link in the dashboard. Share it anywhere. Each person who signs up through your link and buys a plan earns you a referral ticket, and each ticket unlocks any exam of your choice for 14 days.

Yes. Many owner/operators and inspection companies pay for API certification prep. Check out with your work email and we'll send a receipt you can expense.

Yes. Everything works on phone, tablet and computer, and your progress syncs to your account.

No. APIInspectorExam is an independent exam-prep company, not affiliated with or endorsed by the American Petroleum Institute. API, API 510, API 570 and API 653 are trademarks of the American Petroleum Institute, and ASME is a trademark of the American Society of Mechanical Engineers, used only to describe the exams we help you prepare for.