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MuleSoft Certified Developer-Level 1 (Mule 4) Exam

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MuleSoft Certified Developer-Level 1 (Mule 4) Exam


The MuleSoft Certified Developer - Level 1 (Mule 4) certification validates your proficiency in building and managing basic APIs and integrations using Mule 4. This globally recognized credential demonstrates your ability to design, develop, test, deploy, and manage integrations within the MuleSoft Anypoint Platform, empowering you to contribute effectively to API-led connectivity initiatives.


Who should take this Exam?

This certification caters to individuals seeking to:

  • Launch their career in MuleSoft development: Build a strong foundation in Mule 4 and gain industry recognition.
  • Advance their IT career: Enhance their existing skills and knowledge of API-led integration with MuleSoft.
  • Become a valuable asset: Demonstrate their ability to work on basic Mule 4 projects with guidance and supervision.
  • Prepare for further certifications: This certification forms the foundation for pursuing advanced MuleSoft certifications.


Course Outline

The MuleSoft Certified Developer-Level 1 (Mule 4) Exam covers the following topcis - 

  • Understanding Explaining application network basics
  • Understanding Designing and consuming APIs
  • Understanding Accessing and modifying Mule events
  • Understanding Structuring Mule applications
  • Understanding Building API implementation interfaces
  • Understanding Routing events
  • Understanding Handling errors
  • Understanding Transforming data with DataWeave
  • Understanding Using Connectors
  • Understanding Processing records
  • Understanding Debugging and troubleshooting Mule applications
  • Understanding Deploying and managing APIs and integrations

MuleSoft Certified Developer-Level 1 (Mule 4) Exam FAQs

Exams will now only be available to the learner for six (6) months after purchase. A learner will only be able to schedule the exam within six (6) months of purchase. Purchase includes the following events: 


  • Purchasing the exam with a credit card or Flexible Training Credits (FTC)
  • Earning the exam through completing a course
  • Being granted the exam through a special offer

Whether a learner has purchased the exam separately or is automatically enrolled following a training course, certification exams must be scheduled and completed within six (6) months of arrival in the learner's dashboard. 

MuleSoft Certifications on https://training.mulesoft.com/certification are valid for a period of two (2) years from the date of issue. 


Certification Maintenance exams are available for the following MuleSoft Certification renewals:


  • MuleSoft Certified Developer - Level 1 (Mule 4)
  • MuleSoft Certified Integration Architect - Level 1
  • MuleSoft Certified Platform Architect - Level 1

Eligibility is determined by a passing score on the exam present in the learner profile. MuleSoft recommends candidates take the Certification Maintenance exam within the final three months before their current certification expires. The Certification will be renewed for two (2) years from the date of Certification Maintenance exam pass.

You will need to login to your learner account, purchase the certification exam if not already enrolled from a MuleSoft Training course, prepare for the exam, schedule, and then take the certification exam.

  • Log in to your account at training.mulesoft.com. Click on Dashboard from the top menu.
  • Under Enrollments, click into Certification Exams. Locate the exam you would like to reschedule.
  • To Reschedule your exam, click the BLUE calendar icon next to the name of the exam, and select a new date and time.
  • If you need to cancel your scheduled exam, locate the exam you would like to cancel, then click the RED calendar icon with an “x” inside of it, next to the name of the exam. You can come back to Reschedule your exam at a later time.

  • From your learner dashboard, you will be able to reschedule the exam 24 hours after your missed session.
  • If you did not attend your exam at the scheduled date and time, you will forfeit one of your five attempts. You will need to repurchase the exam if it will be your third, fourth, or fifth attempt.

Yes, as this is an exam security requirement to ensure the integrity of our exams. The online proctor accesses your computer just as your company’s technical support does when you request computer assistance.

Once you have completed the exam, you can view your exam results on your training.mulesoft.com account.


  1. Log in to your MuleSoft Training account.
  2. Click on the Person icon and select My Learnings  from the drop down menu. 
  3. Scroll down the page until you see the section My Completions  which contains a list of your completed MuleSoft Training courses and Certification Exams. Select Test History.
  4. In the Test History page, you can view the different MuleSoft training courses you have taken and any Certification Exam attempts with the overall scores.

Your Certification Exam certificate should be available within approximately ten business days of passing the exam. A status of Print Certificate will display under the corresponding completed training course for that exam, or under Completed Exams if you passed the exam without attending the training course.

The exams are proctored, 45 minutes, 25 questions. Passing score is 70%. Two attempts at the maintenance exam are allowed, then if not passed, the test-taker must take the full 58 or 60-question certification exam.

In order to keep our exams secure, MuleSoft provides a PASS/FAIL, and the percentage score from each exam section. While the score is based on total questions answered correctly,  we do not share the total number of questions answered correctly or incorrectly. Since exam questions are weighted differently, calculating your exam passing score based on the average topic score is not equal to the overall final exam passing score. 

The recertification is valid for two years from the date the recertify exam is passed.

English and Japanese (MCD only)

You must already hold the certification for the relevant following exams:


  • MuleSoft Certified Developer - Level 1 (Mule 4)
  • MuleSoft Certified Integration Architect - Level 1
  • MuleSoft Certified Platform Architect - Level 1


Eligibility is determined by a passing score on the corresponding certification exam present in the Learner profile. This is new functionality available later this month.