TESTED 18 Aug 2026
TESTED 18 Aug 2026
Examcollection covers API's certification catalog with practice tests for 5 exam codes across 1 certification tracks. Every question set is mapped to API's official exam blueprint where one is published, and available as a downloadable Interactive Testing Engine or a PDF.
| Exam Code | Exam Name | Questions |
|---|---|---|
| API-571 | Corrosion and Materials Professional | 149 Q&As |
| API-580 | API 580 - Risk Based Inspection | 90 Q&As |
| API-577 | Welding Inspection and Metallurgy Exam | 110 Q&As |
| API-936 | API 936 - Refractory Personnel | 85 Q&As |
| API-SIEE | Source Inspector Electrical Equipment | 110 Q&As |
Every API question set is checked against API's official exam topics where published — not a generic bank reused across vendors.
From your first API exam through the most advanced tier, so you're not switching providers as you move up the API certification path.
Interactive Testing Engine for simulation, PDF for offline study — same verified questions either way.
Every API exam page shows when it was last checked against API's current materials.
That depends on your current experience and goal, but every track page above breaks down prerequisites and exam count, so you can compare before committing to one.
[[number of exams]] exam codes across [[number of certification tracks]] certification tracks, updated as API adds or retires exams.
Validity periods and renewal requirements are set by API and vary by certification — check the specific certification's page, or confirm directly on API's official certification page.
Every API exam is available as a downloadable, web-based Interactive Testing Engine and as a PDF, both built from the same question bank.