How our questions are written
Every question on Long Seam is written by us, in our own words, to the exam body's current published outline. We never use real or recalled exam questions, and we never copy code-book text.
Pick an exam to see how many questions cover each blueprint domain and how explanations cite their sources.
- How our API 510 questions are written · See the API 510 plans
- How our API 570 questions are written · See the API 570 plans
- How our API 510 recert questions are written · See the API 510 recert plans
- How our API 653 questions are written · See the API 653 plans
- How our API 571 questions are written · See the API 571 plans
Not affiliated with or endorsed by American Petroleum Institute. Exam names are used descriptively.