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In-service Inspection

API 653: Aboveground Storage Tank Inspector

API 653 is an individual certification for inspection, repair, alteration, and reconstruction of aboveground storage tanks.

At a glance

What is the API 653 credential?

API 653 is an individual certification for inspection, repair, alteration, and reconstruction of aboveground storage tanks.

CREDENTIALING BODY
American Petroleum Institute
BEST FIT
Tank inspectors, integrity professionals, and engineers who meet the applicable API qualification requirements.
Independent preparation: HoldPoint does not issue this credential or determine eligibility.REVIEWED AUGUST 2026

Credential brief

What this credential covers

API 653 is an individual certification for inspection, repair, alteration, and reconstruction of aboveground storage tanks. It is designed for tank inspectors, integrity professionals, and engineers who meet the applicable api qualification requirements.

  • tank inspection and evaluation
  • corrosion and settlement
  • repairs and alterations
  • calculations and publications navigation

Primary source

Verify before you act

Exam policies, fees, references, and eligibility can change. HoldPoint is independent and uses American Petroleum Institute as the authority for current program facts.

Official API source

EDITORIAL REVIEW: AUGUST 2026

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