MuleSoft Certified Developer - Level 1: Guide 2026
Build APIs and integrations with Mule 4.
What is MuleSoft Certified Developer?
The MuleSoft Certified Developer - Level 1 (Mule 4) certification validates your ability to design, build, test, and deploy basic APIs and integrations using Anypoint Platform. It demonstrates proficiency in moving between Anypoint Platform and Anypoint Studio.
A Level 1 certified developer can work on basic Mule 4 projects with guidance and supervision.
Quick Exam Facts
- Duration: 90 minutes
- Format: 60 multiple-choice questions
- Passing Score: 70%
- Cost: $400 USD
- Validity: 2 years
- Maintenance: 25-question exam (45 min)
Key Topics
Anypoint Platform
- API Designer and Design Center
- Exchange and asset publishing
- API Manager configuration
- Runtime Manager deployment
Anypoint Studio
- Project structure and flows
- Connectors and operations
- Error handling strategies
- Debugging and testing
DataWeave 2.0
- Data transformation expressions
- Operators and functions
- Working with JSON, XML, CSV
- Variables and flow control
Integration Patterns
- Database connectors
- File and FTP operations
- HTTP/REST API consumption
- Web Services (SOAP)
- JMS queues
Certification Path
- MCD Level 1: Basic projects with guidance
- MCD Level 2: Production-ready, independent work
- Platform Architect: Architecture and design
- Integration Architect: Enterprise integration
Maintenance
- Required every 2 years
- 25-question proctored exam
- 45 minutes, 70% passing
- 2 attempts, then full exam required
Career Impact
- Average salary: $100,000 - $140,000 USD
- Integration Developer roles
- API Developer positions
- Enterprise integration specialist
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