STI SP001 Adjunct Certification for API 653 Inspectors Course

Thank you for your interest in the STI SP001 Adjunct Certification or Renewal Certification for API 653 Inspectors course. 

Course Content

  • There are 12 modules in the course, each consisting of a PowerPoint review presentation and a four-item quiz.
  • You must answer at least three of the quiz questions correctly before you can move on to the next module.
  • Modules must be taken in order, no skipping back and forth.
  • At the end of the course, you will take a 40-question examination.

Certification Requirements

  • You must pass the 40-question exam with a score of at least 80% to qualify for certification. If you do not pass, you must then attend a 5-day course to get recertified.
  • Email the form to Tiffany:
  • This recertification expires in five (5) years.

Prepare for the Course

Study the materials listed below are not included in the $500 fee. While the online course highlights important points, the 40 test questions include additional items from these documents. (Co-workers may share study materials but must complete the Online Certification Course individually.)

Payment and Access

  1. Complete and submit the API 653 Adjunct Application Form in PDF format, by e-mail, to You do not pay for the exam at this time.
  2. You will receive an e-mail containing a link to register for the online API 653 Adjunct Certification course within 3 business days of submitting your form. Do not log in until you are ready to pay and take the exam.
  3. Once you are ready to begin the exam, click the link you received and set up your own username and password.
  4. Pay $500 program fee with a credit card and begin the course immediately. Access is available to you for 48 hours only.

Featured Affiliate

Phoenix Forging Company

Phoenix Forging Company, a member of the Phoenix Forge Group, is a proud domestic manufacturer of steel tank and cylinder fittings based in Catasauqua, PA. Phoenix Forge was founded in 1882.
“Networking at STI/SPFA meetings has given us new ideas to manufacture our products more efficiently.”

Sonny Underwood
Mid-South Steel Products, Inc.

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