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| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified MuleSoft Developer Exam |
| Exam Number: | Mule-Dev-201 |
| Related Certifications: | Salesforce Certified MuleSoft Architect Salesforce Certified MuleSoft Developer II |
| Certificate Validity Period: | No expiration; requires maintenance updates |
| Exam Format: | Scenario-based, Multiple Choice, Multiple Select |
| Available Languages: | Japanese, English |
| Exam Price: | US$200 |
| Real Exam Qty: | 60-65 |
| Exam Duration: | 120 minutes |
| Passing Score: | 70% |
| Recommended Training: | MuleSoft Developer Course Trailhead MuleSoft Modules |
| Exam Registration: | Pearson VUE Scheduling Salesforce Certification Registration |
| Sample Questions: | ![]() |
| Exam Way: | Online proctored or onsite at Pearson VUE testing centers |
| Pre Condition: | No mandatory prerequisites; recommended 6+ months experience with Mule 4 and Anypoint Platform, completion of MuleSoft Developer course |
| Official Syllabus URL: | https://help.salesforce.com/s/articleView?id=005298959&language=en_US |
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Testing and Debugging | 10% | - Write unit tests with MUnit - Use mocking and test doubles - Debug applications using Anypoint Studio |
| Topic 2: Data Transformation with DataWeave | 10% | - Transform complex data structures - Handle different data formats - Write expressions and functions |
| Topic 3: Security and Governance | 7% | - Enforce governance standards - Manage access and authentication - Apply security policies |
| Topic 4: Creating Application Networks | 7% | - Describe Anypoint Platform components - Explain API-led connectivity principles - Identify application network concepts |
| Topic 5: Accessing and Modifying Mule Events | 10% | - Use DataWeave for transformation - Enrich events using connectors - Access and modify payload, attributes and variables |
| Topic 6: Building API Implementations | 10% | - Use connectors to integrate systems - Implement routing and transformation logic - Implement APIs from specifications |
| Topic 7: Designing APIs | 8% | - Define API specifications with RAML - Use REST API methods and resources - Define parameters, responses and data types |
| Topic 8: Error Handling and Transactions | 8% | - Handle retries and dead-letter queues - Implement transaction management - Configure error handlers |
| Topic 9: Deploying and Managing Applications | 10% | - Deploy to CloudHub and on-premises - Explain deployment models - Monitor and manage applications |
| Topic 10: Structuring Mule Applications | 10% | - Organize configurations and properties - Use flows, subflows and flow references - Manage error handling and scopes |
The Salesforce Certified MuleSoft Developer exam (code: Mule-Dev-201) is the official Salesforce exam that leads to the Salesforce Certified MuleSoft Developer certification. It sits at the Developer level of the Salesforce certification track. It is also connected with related credentials such as Salesforce Certified MuleSoft Developer II, Salesforce Certified MuleSoft Architect. Passing it proves to employers that your skills have been validated by Salesforce itself, which is why the Mule-Dev-201 credential keeps showing up in job postings.
The Salesforce Certified MuleSoft Developer exam gives you 120 minutes to work through 60-65. Pacing matters more than most candidates expect, so before exam day, run at least one full timed session in the TorrentValid test engine to learn how long you can afford per question. If an item stalls you, flag it and move on — coming back later beats burning five minutes on a single question.
The passing score for the Salesforce Certified MuleSoft Developer exam is 70%, and the official registration fee is US$200. Remember that a failed attempt means paying that fee in full again, so a timed self-assessment with TorrentValid practice questions about a week before your exam date is a cheap way to confirm you are scoring comfortably above 70%.
According to Salesforce, the following applies: No mandatory prerequisites; recommended 6+ months experience with Mule 4 and Anypoint Platform, completion of MuleSoft Developer course. Certification policies do change from time to time, so confirm the latest requirements on the official exam page at https://help.salesforce.com/s/articleView?id=005298959&language=en_US before you register.
You can book your Salesforce Certified MuleSoft Developer exam through the official channels below:
Depending on availability in your region, the exam is delivered as Online proctored or onsite at Pearson VUE testing centers.
Salesforce lists the following training options for Salesforce Certified MuleSoft Developer candidates:
Official courses build a solid foundation, and pairing them with the 237 practice questions from TorrentValid shows you how ready you really are before you spend money on the exam itself.
Yes. TorrentValid offers a free Mule-Dev-201 PDF demo so you can review the question style, difficulty, and explanations before committing to anything. After purchase, your Salesforce Certified MuleSoft Developer material includes 365 days of free updates, and if your product expires after that, you can extend the update service at a 50% discount from your member zone.
If you take the corresponding Mule-Dev-201 exam within 60 days of your purchase and do not pass, you can apply for a full refund under our 100% Money Back Guarantee, subject to a few conditions: the failed exam must be the one matching your purchase; sitting the exam within 3 days of purchase does not qualify, since that leaves too little preparation time; downloading the material without actually taking the exam does not qualify; free materials and expired orders are excluded; and the candidate name must match the payer name. To apply, send a scanned copy of your enrollment slip together with your official Score Report (PDF) within 2 days after the exam, and claims are processed within 7 days. If you would rather not take a refund, you can exchange your purchase for two free products of equal value while keeping the update service on the product you originally bought. As for delivery, everything is an instant download: your products are sent to your email within one minute of payment — contact customer service if nothing arrives within 2 hours — and there is no limit on the number of computers you can install the software on.
The official Salesforce Certified MuleSoft Developer syllabus is organized into 10 main domains. The first three are Deploying and Managing Applications (10%), Structuring Mule Applications (10%), and Security and Governance (7%). For the full domain-by-domain breakdown, see the complete Exam Topics outline above.
Refer to theexhibits.

A Mule application contains a Choice router. What is logged when the flow completes?
Correct Answer: B 🗳️
A function named newProdCode needs to be defined that accepts two input parameters, an integer value for itemID and a string value for productCategory, and returns a new product code.
What is the correct DataWeave code to define the newProdCode function?
Correct Answer: A 🗳️
Refer to the exhibits. The Mule application does NOT define any global error handlers.
A web client sends a POST request to the Mule application with this input payload. The File Write operation throws a FILE: CONNECTIVITY error.
What response message is returned to the web client?
Correct Answer: C 🗳️
Refer to the exhibits.

The <when> expression for the Choice router needs to be written.
What is a valid <when> expression to route Mule events to the non-default flow?
Correct Answer: C 🗳️
How to import Core (dw::Core) module into your DataWeave scripts?
Correct Answer: B 🗳️
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