Free demo, three versions, daily-checked content, 7/24 support with replies inside two hours, and a written refund policy: ActualPDF gives 2026 Salesforce-MuleSoft-Developer-I candidates a complete, accountable Salesforce Certified MuleSoft Developer (Mule-Dev-201) service.
Salesforce Salesforce-MuleSoft-Developer-I Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified MuleSoft Developer I Exam |
| Exam Number: | Salesforce-MuleSoft-Developer-I / Mule-Dev-201 |
| Related Certifications: | Salesforce Certified MuleSoft Developer II |
| Real Exam Qty: | 60–65 |
| Passing Score: | 70% |
| Available Languages: | English |
| Certificate Validity Period: | Valid indefinitely; annual maintenance required via Trailhead |
| Exam Format: | Multiple-choice, Scenario-based |
| Exam Price: | USD 200 |
| Exam Duration: | 120 minutes |
| Recommended Training: | Trailhead: MuleSoft Developer Learning Path MuleSoft Official Training |
| Exam Registration: | Salesforce Certification Registration Webassessor / Kryterion Scheduling |
| Sample Questions: | ![]() |
| Exam Way: | Online proctored or onsite testing center |
| Pre Condition: | No formal prerequisites; recommended: 6+ months experience building basic integrations with Mule 4 and Anypoint Platform |
| Official Syllabus URL: | https://help.salesforce.com/s/articleView?id=005298959&language=en_US |
Salesforce Salesforce-MuleSoft-Developer-I Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Error Handling and Transactions | 8% | - Error types and handling strategies - Rollback and transaction management |
| Accessing and Modifying Mule Events | 10% | - Event structure and variables - Using core processors to modify events - Transforming and enriching payloads |
| Data Transformation with DataWeave | 15% | - Filtering, grouping, and aggregating data - Transforming between formats (JSON, XML, CSV, Java) - DataWeave syntax and expressions |
| Designing APIs | 8% | - API specification best practices - Defining resources, methods, and parameters - RESTful API design and RAML |
| Structuring Mule Applications | 10% | - Modular design and reusability - Flows, subflows, and error handling - Configuration and properties files |
| Creating Application Networks | 7% | - Anypoint Platform components and use cases - API-led connectivity principles - Application network concepts and benefits |
| Testing, Debugging and Deployment | 13% | - Deployment strategies and management - Unit testing with MUnit - Debugging and logging |
| Building API Implementations | 7% | - Implementing APIs from specifications - Mapping requests and responses - Using APIkit |
| Connectivity and Connectors | 15% | - Consuming and exposing services - Authentication and security - Using core and popular connectors |
Questions and Answers About Salesforce Certified MuleSoft Developer (Mule-Dev-201)
Salesforce Certified MuleSoft Developer (Mule-Dev-201) is an official Salesforce exam, listed under exam code Salesforce-MuleSoft-Developer-I. A passing result earns you the Salesforce Certified MuleSoft Developer I certification at the Developer level. It also ties into Salesforce Certified MuleSoft Developer II, extending its value across your certification roadmap. Employers read this credential as verified competence, which is why it keeps appearing in job requirements.
Expect 60–65 questions inside 120 minutes on the Salesforce Certified MuleSoft Developer (Mule-Dev-201) exam. That pace punishes hesitation, so rehearse it: the ActualPDF software engine simulates the real exam scene, reminds you of the questions you got wrong, and pushes you to re-practice them until the clock stops being your enemy.
Passing Salesforce Certified MuleSoft Developer (Mule-Dev-201) requires 70%, and the official registration fee is USD 200. Retakes charge the full USD 200 again, which is why experienced candidates treat preparation as the cheaper exam fee. Verify your readiness with repeated ActualPDF practice scores above the requirement before you commit to a date.
No formal prerequisites; recommended: 6+ months experience building basic integrations with Mule 4 and Anypoint Platform
Requirements evolve, so confirm the current conditions before registering on the official exam page.
Registration for Salesforce Certified MuleSoft Developer (Mule-Dev-201) goes through the official channels listed here.
When you schedule, note that the exam is delivered Online proctored or onsite testing center.
Salesforce recommends the following training for Salesforce Certified MuleSoft Developer (Mule-Dev-201) candidates.
Follow any course with the 237 practice questions in the ActualPDF Salesforce-MuleSoft-Developer-I package; the software engine will even remind you which mistakes need another round.
Yes. ActualPDF provides a free download demo of the Salesforce Certified MuleSoft Developer (Mule-Dev-201) material, so you can check the content before choosing a version. After purchase, a one-year warranty covers you: the latest version is sent to you as it releases, free for 365 days, and after expiry you can extend the update service at a 50% discount.
Your purchase is covered by a 100% money-back guarantee with clear conditions. Take the Salesforce Certified MuleSoft Developer (Mule-Dev-201) exam within 60 days of purchase; if you fail, provide your unqualified result by submitting a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and the full refund is processed within 7 days. The exam must match your product, candidate and payer names must match, and attempts within 3 days of purchase, unused downloads, free materials, and expired orders are not covered. Alternatively, exchange for two other exam products of equal value, free, or wait for updates while keeping your original product's update service.
Delivery is instant: files unlock for download at payment and are emailed within one minute. If nothing arrives within 2 hours, check spam and contact customer service, which works 7/24 and normally replies within two hours. Installation is unlimited across your computers.
The Salesforce Certified MuleSoft Developer (Mule-Dev-201) syllabus spans 9 domains, led by Building API Implementations (7%), Creating Application Networks (7%), and Data Transformation with DataWeave (15%). The complete topic list is published above; candidates who study the map first rarely get lost later.
Salesforce Certified MuleSoft Developer (Mule-Dev-201) Sample Questions:
Refer to the exhibit.
A Mule event is composed of a hierarchy of objects. Where in the hierarchy are variables stored?
- A. Mule message payload
- B. Mule message
- C. Mule event
- D. Mule message attributes
Correct Answer: C 🗳️
Explanation: Only visible for ActualPDF members. You can sign-up / login (it's free).
WhichMule component provides a real-time, graphical representation of the APIs and mule applications that are running and discoverable?
- A. Anypoint Visualizer
- B. API Notebook
- C. API Manager
- D. Runtime Manager
Correct Answer: A 🗳️
Explanation: Only visible for ActualPDF members. You can sign-up / login (it's free).
Refer to the exhibits.
A web client sends sale data ina POST request to the Mule application. The Transform Message component then enrich the payload by prepending a vendor name to the sale data.
What is written to the sales.csv file when the flow executes?
- A. The enriched payload in XML format
- B. The enriched payload in JSON format
- C. The enriched payload in CSV format
- D. An error message
Correct Answer: B 🗳️
Explanation: Only visible for ActualPDF members. You can sign-up / login (it's free).
Where would you create SLA Tiers for an API?
- A. Anypoint Studio
- B. API Manager
- C. Exchange
- D. In RAML specifications
Correct Answer: B 🗳️
Explanation: Only visible for ActualPDF members. You can sign-up / login (it's free).
Refer to the exhibit. What is the output of logger component?
- A. Object
- B. Array
- C. Map
- D. String
Correct Answer: B 🗳️
Explanation: Only visible for ActualPDF members. You can sign-up / login (it's free).
PDF Version Demo



