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Updated: Aug 29, 2026
No. of Questions: 112 Questions & Answers with Testing Engine
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API API-577 Exam Overview:
| Certification Vendor: | American Petroleum Institute (API) |
|---|---|
| Exam Name: | Welding Inspection and Metallurgy Exam |
| Exam Number: | API-577 |
| Available Languages: | English |
| Passing Score: | Scaled score, approximately 70% |
| Real Exam Qty: | 110 (100 scored, 10 pre-test) |
| Exam Format: | Closed-book exam, Multiple-choice questions |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 195 minutes |
| Exam Price: | $440 USD |
| Related Certifications: | API 510 Pressure Vessel Inspector API 653 Aboveground Storage Tank Inspector API 570 Piping Inspector |
| Recommended Training: | API Recommended Training Resources |
| Exam Registration: | API Official Registration |
| Sample Questions: | API API-577 Sample Questions |
| Exam Way: | Online remote proctored or in-person at Prometric test centers |
| Pre Condition: | Hold current API 510, 570 or 653 certification; or BS/BE + 1 year experience; or 2-year degree + 2 years experience; or high school + 3 years experience (all within last 10 years) |
| Official Syllabus URL: | https://www.api.org/products-and-services/individual-certification-programs/certifications/api577 |
API API-577 Exam Syllabus Topics:
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Reference: https://www.api.org/products-and-services/individual-certification-programs/certifications/api577
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Frequently Asked Questions
What's the difference of the three versions of API-577 study material?
Online test engine can supports Windows / Mac / Android / iOS, etc., because it is the software based on WEB browser. You can use it on any electronic device and practice with self-paced.
Online Test Engine supports offline practice, while the precondition is that you should run it with the internet at the first time.
Self Test Engine is suitable for windows operating system, running on the Java environment, and can install on multiple computers.
PDF version: can be read under the Adobe reader, or many other free readers, including OpenOffice, Foxit Reader and Google Docs.
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Once download and installed on your PC, you can practice API-577 test questions, review your questions & answers using two different options 'practice exam' and 'virtual exam'.
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