How to Get API 653 Certification: Application to Exam

Getting API 653 certification is an end-to-end process, not simply an exam. You first need to confirm that you meet the applicable qualification route, submit a complete application with verifiable employment and education information, pass API’s review, receive exam authorization, and schedule the test through Prometric. After the exam, your score and final status are updated separately, and any outstanding application deficiency must be resolved before certification can be issued.

What Should You Check Before Applying for API 653 Certification?

Before applying, confirm that you meet an API 653 eligibility route and that the employment and education information supporting your route can be verified. API 653 eligibility is based on education and relevant aboveground storage tank experience. The detailed qualification matrix belongs in the dedicated requirements guide; here, the priority is making sure your records are accurate and ready before you submit.

Stage	Candidate Action	What Happens Next
Check Eligibility	Confirm the applicable education/experience route and make sure the required experience can be documented.	Prepare the employment and education information needed for the application.
Submit Application	Complete the API ICP application and provide the required information and documents.	API begins application review and verification.
Verification and Deficiency Review	Respond to employer-verification or missing-information requests if applicable.	A complete qualifying application can proceed; incomplete qualifying applications may receive a deficiency notice.
Receive Exam Authorization	Watch for the API Exam Authorization email and Eligibility ID after approval for testing.	Use the authorization information to schedule through Prometric.
Schedule and Take Exam	Choose an eligible Prometric appointment and take the API 653 exam in person.	Prometric issues the final score report after testing.
Receive Result and Certification	Check final result/status in the ICP Portal and resolve any remaining deficiency.	Certification is issued for an eligible passing application without unresolved deficiencies.

1. Confirm Your Eligibility Route

API 653 is the American Petroleum Institute credential for Aboveground Storage Tank Inspectors. Qualification is based on a combination of education and relevant work experience associated with aboveground storage tanks. The required minimum experience must be documented and verified as part of the application process.

You do not need to repeat the full qualification matrix every time you plan your application. Instead, identify the route that applies to you, check that the relevant employment period can be supported by employer verification, and make sure you are not treating a training course as a substitute for the official API eligibility requirements.

2. Prepare Verifiable Employment and Education Records

API asks applicants to provide employer contact information that can verify the years of qualifying employment used for certification. You should also prepare the education records and supporting documents relevant to your route, including officially translated English versions of diplomas or transcripts when required.

Review your entries before submission. API’s application guidance states that changes or additions cannot be made to Employment History after the application has been submitted. That makes accuracy important at the start: confirm employment dates, employer contacts, role information, and supporting education records before moving to the submission step.

Read Also: API 653 Certification Made Simple: A Step-by-Step Guide

How Do You Apply for API 653 Certification?

Once your eligibility and records are ready, apply through API’s Individual Certification Programs process. Complete the required employment and education information, upload the relevant supporting documents, and submit the application for review. Use API’s ICP certification application guidance as the authority for the current application requirements rather than relying on older provider instructions or screenshots.

1. Create or Access Your ICP Portal Account

The ICP Portal is the central account environment used for API individual certification activity. Candidates use the API certification process to submit an application and later check certification-related status and records.

Portal screens can change, so focus on entering accurate account and application information rather than memorizing the interface. Keep your contact details current and confirm that you are applying for the correct certification program.

2. Enter Employment and Education Information

Enter the employment history that supports your API 653 qualification and provide employer contacts that can verify the relevant period. The information should match the route you are using and the supporting records you are prepared to provide.

This is a critical completeness check because API states that the minimum experience needed for qualification must already be documented when you submit. Since employment history cannot be changed or expanded after submission, review dates, employers, positions, and contact information before you move on.

3. Submit the Application and Required Documents

Before submitting, check that the application includes the information and documents needed to evaluate your qualification. That can include employment verification details, education records, and translated education documents where applicable.

API states that applications that do not meet the minimum requirements or do not contain all necessary information can be marked unqualified. A careful final review helps reduce avoidable problems during processing. Do not treat exam preparation or course attendance as a replacement for completing the official application accurately.

Once your eligibility and application documents are in order, strengthen the technical knowledge you need for API 653 exam preparation.

Button: Explore API 653 Training

What Happens After You Submit the API 653 Application?

After submission, API reviews the application and supporting employment information. Current API guidance says processing may take up to six weeks. If you qualify to test but your application is incomplete, API may send a deficiency email that identifies the missing information. The application must be fully complete before certification can be issued, even when the exam is passed.

1. Application Review and Employer Verification

The review process checks whether the submitted information supports the qualification route used in the application. Employer verification is important because the qualifying years of work experience must be documented, and API may need confirmation from the contacts you provide.

API says application processing may take up to six weeks. That is a maximum guidance point, not a promised turnaround time. Applications are handled around upcoming exams and in the order received, so submitting earlier can provide more flexibility when you later choose an exam date and location.

2. Deficiency Notice and Missing Information

A deficiency is different from being unqualified. API explains that an application may receive a deficiency notice when the candidate qualifies to take the exam but the application is still incomplete. The notice identifies the information that must be supplied before the process can be completed.

This distinction matters after the exam as well. Passing the test does not erase an unresolved deficiency. If your application remains deficient, API will not issue certification until the missing requirements or information are cleared.

3. Exam Authorization and Eligibility ID

When your application is approved for testing, API sends an Exam Authorization email. That message includes an Eligibility ID and instructions for scheduling the exam through Prometric.

Exam authorization means you are approved to schedule and take the examination within the assigned testing window. It is not the same as certification. The certification decision is completed after the exam result is available and the application has no outstanding deficiencies.

How Do You Schedule and Take the API 653 Exam?

Use the Exam Authorization information and Eligibility ID to schedule your API 653 exam through Prometric within the testing window approved on your application. API’s current exam scheduling guidance specifically states that API 653 is not available for remote proctoring, so candidates should plan to take the computer-based exam in person at a Prometric testing center.

1. Schedule Your Exam Through Prometric

Use API’s current exam scheduling guidance to locate a Prometric testing center, choose an available date and time, and confirm the appointment. You can only schedule within the testing window approved for your application.

Prometric seating is limited and handled on a first-come, first-served basis. API does not guarantee a seat at a specific location or on a specific day. For that reason, schedule promptly after you receive authorization rather than assuming your preferred center or date will remain available.

2. Check the Correct Body of Knowledge and Effectivity Sheet

Before the exam, confirm that you are using the Body of Knowledge and Publications Effectivity Sheet that match your testing window. API publishes these materials by exam period so candidates know which topics and referenced publications apply.

For the current API 653 program page, API provides materials for the March–November 2026 and March–November 2027 exam periods. If you are preparing for a different window, use the material assigned to that window rather than relying on an older handout or a third-party summary.

3. Prepare for the In-Person Exam

Operational readiness matters as much as knowing where to study. Confirm your Prometric appointment details, make sure the name on your API account matches the government-issued identification you will bring, and review the current API exam information for your approved window.

Keep detailed study planning separate from this process guide. Topics such as study materials, practice questions, revision schedules, and code-review strategy belong in a dedicated API 653 preparation resource.

Read Also: API 653 Exam: Master Tank Inspection & Repair Skills

Read Also: API 653 Body of Knowledge: Key Concepts for Tank Engineers

What Happens After the API 653 Exam?

The exam score, final API result, and certification are related but separate steps. API says Prometric sends the final score report by email within 24 hours of testing. Final results are then uploaded to the ICP Portal within three business days, and certification is issued for passing applications that do not have unresolved deficiencies.

1. Receive Your Exam Score Report

Prometric sends the final score report to the email address used when scheduling the exam. API’s current examination guidance says this is sent within 24 hours of testing, so the score report is normally the first formal result you receive after the test.

Treat that email as your exam score report, not as the API certificate itself. Certification still depends on the final result being reflected in the ICP process and on your application being complete.

2. Check Your Final Result in the ICP Portal

API says final results are uploaded to the ICP Portal within three business days. This portal update is part of the certification process after Prometric has issued the score report.

The timing does not mean every passing candidate automatically receives certification at the same moment. An otherwise passing application can still be held if API shows an unresolved deficiency. Check both your result and your application status rather than looking only at the exam score.

3. Complete Any Outstanding Deficiency

If your application still has an outstanding deficiency, complete the requested information as instructed by API. A passing exam does not replace missing application requirements.

This is why it is useful to think of certification as two tracks that must come together: the exam result and the completed, verified application. Both need to be in order before API can issue the credential.

4. Receive and Maintain Your API 653 Certification

API 653 certification is valid for a three-year term. Once the application is complete, the exam is passed, and no deficiency remains, the certification process can be completed and the credential becomes part of your ICP certification record.

Maintaining the credential requires recertification. The detailed work-history, renewal, and any periodic assessment requirements are separate from this application-to-certification guide, so review the current API recertification rules when your renewal period approaches.

How Can PetroSync Support Your API 653 Certification Preparation?

After you understand the official eligibility and application process, structured technical training can help you prepare for the knowledge and code-application demands of the API 653 exam. PetroSync supports preparation rather than certification approval: individual candidates can use public training options, while organizations can discuss in-house training for groups when appropriate.

1. Structured API 653 Technical Preparation

PetroSync’s API 653 training focuses on the technical areas associated with aboveground storage tank inspection, repair, alteration, reconstruction, and code application. That structure can help candidates organize technical review after they have confirmed their official eligibility and application path.

The course is preparation support, not an alternative qualification route. API remains the authority for eligibility, application approval, exam administration, scoring, and certification.

2. Practical Exercises and Case-Based Learning

Technical preparation is more useful when candidates practice applying concepts rather than only reading standards. PetroSync’s course materials and training records support the use of practical exercises and case-based learning around storage tank inspection and integrity topics.

The goal is to strengthen technical interpretation and application. It should not be presented as a guaranteed exam result, a field-inspection service, or proof that every participant will achieve certification.

3. Exam Preparation and Registration Support

PetroSync also states that participants can choose an optional training plus API certification exam package, with PetroSync assisting with exam registration. This can reduce administrative friction for candidates who want preparation and registration support in one arrangement.

According to the PetroSync FAQ, this is an optional service package rather than something automatically included in every standard training fee. Specific exam fees, administration charges, dates, and availability should be confirmed for the selected program before enrollment.

4. Public and In-House Training Options

Individual candidates can discuss public API 653 training when a suitable batch is available. Company groups can also ask about an in-house arrangement when they need a shared preparation program for multiple participants.

PetroSync’s recorded July 2026 Bandung and August 2026 Kuala Lumpur API 653 batches are already past. Before planning a public course, confirm the next available schedule, location, seat availability, and price directly with PetroSync.

Prepare for API 653 Certification with PetroSync

If you have confirmed your API 653 eligibility and understand the application process, the next step is to build the technical knowledge needed for the exam. PetroSync can support individual candidates with structured API 653 preparation, while organizations can also discuss in-house training for company groups. Ask about the preparation option that fits your needs without treating training as a guarantee of API approval or certification.