Version currency is printed right on the product: ActualPDF staff check the MuleSoft Certified Developer - Integration and API Associate (Mule 3) collection daily, and your 2026 purchase includes 365 days of free updates to the 62 MCD-Assoc practice questions.
MuleSoft MCD-Assoc Exam Overview:
| Certification Vendor: | MuleSoft |
|---|---|
| Exam Name: | MuleSoft Certified Developer - Integration and API Associate (Mule 3) |
| Exam Number: | MCD-Assoc |
| Related Certifications: | MuleSoft Certified Integration Architect MuleSoft Certified Developer - Level 1 (Mule 4) |
| Available Languages: | English |
| Exam Duration: | 120 minutes |
| Exam Price: | $250 USD |
| Certificate Validity Period: | 2 years |
| Real Exam Qty: | 60 |
| Exam Format: | Closed-book, Multiple-choice, Multiple-select, Proctored |
| Passing Score: | 70% |
| Recommended Training: | Anypoint Platform Documentation MuleSoft Developer Fundamentals (FUN3) |
| Exam Registration: | Official MuleSoft Certification Portal |
| Sample Questions: | ![]() |
| Exam Way: | Online proctored or in-person at authorized test centers |
| Pre Condition: | No formal prerequisites; hands-on experience with Anypoint Studio and Mule 3 development recommended |
| Official Syllabus URL: | https://training.mulesoft.com/certification/developer-integration-API-associate-mule3-level1 |
MuleSoft MCD-Assoc Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Designing and Consuming APIs | 20% | - RAML specification basics - Reusable data types and examples - Consume and test APIs from RAML - Define resources, parameters, requests and responses |
| Building API Implementation Interfaces | 15% | - REST service implementation - Routing and request handling - Generate flows from RAML - APIkit overview and usage |
| Accessing and Modifying Mule Events | 15% | - Use MEL and DataWeave expressions - Structure of Mule event and message - Set payload, attributes, properties and variables - Message enrichment techniques |
| Structuring Mule Applications | 15% | - Property placeholders and configuration - Application organization and modularity - Flows, subflows, private flows and flow references - Global elements and configuration reuse |
| Routing and Processing Events | 10% | - Validation and filtering - Choice, Scatter-Gather and other routers - Batch processing |
| Error Handling and Deployment | 10% | - On Error Continue vs Propagate - Testing, debugging and deployment options - Default and custom error handlers |
| Application Network Basics | 15% | - API-led connectivity and application networks - Anypoint Platform components and API lifecycle - Core concepts: API, interface, implementation, consumer, invocation - HTTP protocol fundamentals |
MCD-Assoc Exam FAQ: Before You Book Your Seat
MuleSoft Certified Developer - Integration and API Associate (Mule 3) is an official MuleSoft exam, listed under exam code MCD-Assoc. A passing result earns you the MuleSoft Certified Developer - Integration and API Associate (Mule 3) certification at the Associate level. It also ties into MuleSoft Certified Developer - Level 1 (Mule 4), MuleSoft Certified Integration Architect, 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 questions inside 120 minutes on the MuleSoft Certified Developer - Integration and API Associate (Mule 3) 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 MuleSoft Certified Developer - Integration and API Associate (Mule 3) requires 70%, and the official registration fee is $250 USD. Retakes charge the full $250 USD 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; hands-on experience with Anypoint Studio and Mule 3 development recommended
Requirements evolve, so confirm the current conditions before registering on the official exam page.
Registration for MuleSoft Certified Developer - Integration and API Associate (Mule 3) goes through the official channels listed here.
When you schedule, note that the exam is delivered Online proctored or in-person at authorized test centers.
MuleSoft recommends the following training for MuleSoft Certified Developer - Integration and API Associate (Mule 3) candidates.
Follow any course with the 62 practice questions in the ActualPDF MCD-Assoc package; the software engine will even remind you which mistakes need another round.
Yes. ActualPDF provides a free download demo of the MuleSoft Certified Developer - Integration and API Associate (Mule 3) 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 MuleSoft Certified Developer - Integration and API Associate (Mule 3) 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 MuleSoft Certified Developer - Integration and API Associate (Mule 3) syllabus spans 7 domains, led by Building API Implementation Interfaces (15%), Designing and Consuming APIs (20%), and Application Network Basics (15%). The complete topic list is published above; candidates who study the map first rarely get lost later.
MuleSoft Certified Developer - Integration and API Associate (Mule 3) Sample Questions:
Question 1
What valid RAML retrieves details on a specific order by its orderId as a URI parameter?
A. Option C
B. Option B
C. Option A
D. Option D
Question 2
Refer to the exhibits. The Batch Job processes, filters, and commits records. What is the expected output from the Logger component when this Muleapplication runs?

A. [2,4]
[6]
B. [1,2,3,4,5,6]
C. [1,2]
[3,4]
[5,6]
D. [2,4,6]
Question 3
Refer to the exhibits. What is the rootcause of the error?
A. There are two HTTP Listener configurations bound to the same host
B. The value of the host property "0.0.0.0" is invalid
C. The value of the host property "0.0.0.0" is bound to different ports
D. There are two HTTPListener configurations bound to the same port number 8081
Question 4
A
web client posts a request to http://localhost:8081?name=john. What is the correct MEL expression to access the nameparameter?
A. #[message.payload.outboundProperties. "http.query.params'.name]
B. #[message.payload.inboundProperties. 'http.query.params.'name]
C. #[message.outboundProperties.'http.query.params'.name]
D. #[message.inboundProperties.'http.uri.params'.name]
Question 5
Refer to the exhibits. What is valid text to set the user field in the Database connector configuration to the username value specified in theconfig.properties file?
A. ${db:username}
B. ${db.username}
C. #[db:username]
D. #[db.username]
Solutions:
| Question 1 Answer: D | Question 2 Answer: A | Question 3 Answer: C | Question 4 Answer: D | Question 5 Answer: D |
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