# Salesforce MuleSoft Developer Practice Exam *Last updated September 2026 · https://www.certifyforce.com/mulesoft-developer-practice-exam* The Salesforce MuleSoft Developer certification, formerly Salesforce Certified MuleSoft Developer I, is an intermediate Salesforce credential with no prerequisite. It is focused on building basic Mule 4 APIs and integrations with Anypoint Platform: application networks and API-led connectivity, designing APIs in RAML, accessing and modifying Mule events, structuring Mule applications, APIkit implementation interfaces, connectors, batch and record processing, DataWeave transformations, routing, error handling, debugging, and deploying and managing APIs with CloudHub and API Manager. The exam has 60 scored questions plus 5 unscored questions, a 120-minute time limit, and a 70% passing score. Its official outline covers 12 weighted sections, the largest being Accessing and Modifying Mule Events at 10% of the exam. The MuleSoft Developer exam tests whether you can design, build, test, debug, deploy and manage basic Mule 4 APIs and integrations: RAML design and APIkit, the Mule event, flows and subflows, connectors, batch processing, DataWeave, routers, error handling, debugging, and deploying to CloudHub with API Manager. It is a 120-minute exam with a 70% passing score. ## How long is the MuleSoft Developer exam and what score do you need? | Fact | Value | | --- | --- | | Certification | Salesforce MuleSoft Developer | | Formerly | Salesforce Certified MuleSoft Developer I | | Level | Intermediate | | Prerequisite | None | | Scored questions | 60 | | Unscored questions | 5 | | Time limit | 120 minutes | | Passing score | 70% | | Registration cost | USD $200 | | Retake cost | USD $100 | | Exam outline sections | 12 | Facts last verified against the [official Salesforce exam guide](https://help.salesforce.com/s/articleView?id=005298959&language=en_US&type=1) in July 2026. ## What is on the Salesforce MuleSoft Developer exam? The official outline has 12 weighted sections. Mock exams draw questions in these proportions, so practice mirrors the real exam. | Exam section | Weight | | --- | --- | | Creating Application Networks | 7% | | Designing APIs | 8% | | Accessing and Modifying Mule Events | 10% | | Structuring Mule Applications | 10% | | Building API Implementation Interfaces | 7% | | Using Connectors | 10% | | Processing Records | 10% | | Transforming Data | 10% | | Routing Events | 8% | | Handling Errors | 8% | | Debugging and Troubleshooting Mule Applications | 5% | | Deploying and Managing APIs and Integrations | 7% | ### Creating Application Networks (7%) - Identify core architectural concepts of the Application Network and modern APIs. - Identify features of an API-led approach. - Identify features of MuleSoft's recommended Operational Model (C4E). - Apply correct processors / syntax and predict outcomes to consume RESTful web services (RAML-based) and predict outcomes. ### Designing APIs (8%) - Use REST API methods and resources. - Define REST API parameters and responses. - Identify when and how to define query parameters vs URI parameters. ### Accessing and Modifying Mule Events (10%) - Apply correct processors/DataWeave expressions to access and modify Mule event payloads, and predict outcomes. - Apply correct processors/DataWeave expressions to access and modify Mule event attributes, and predict outcomes. - Apply correct processors/DataWeave expressions to access and modify Mule variables, and predict outcomes. - Apply correct processors/DataWeave expressions to enrich Mule events using Mule 4 connector targets, and predict outcomes. ### Structuring Mule Applications (10%) - Specify when and how to structure Mule applications into separate configuration and properties files, and predict outcomes. - Specify when and how to pass events between flows and subflows using connectors and flow references, and predict outcomes. ### Building API Implementation Interfaces (7%) - Manually build API implementations from an API specification, RAML or not. - Predict the results of APIkit based upon a RAML specification. - Implement correct responses based on a RAML specification, either manually or with APIkit. ### Using Connectors (10%) - Apply correct processors/syntax to connect to databases, and predict outcomes. - Apply correct processors/syntax to connect to files or FTP servers, and predict outcomes. - Apply correct processors/syntax to retrieve and combine data in the middle of a flow, and predict outcomes. ### Processing Records (10%) - Apply correct processors/syntax to process individual records in a collection using For Each scopes, and predict outcomes. - Apply correct processors/syntax to process individual records in a collection using batch scopes, and predict outcomes. - Apply correct processors/syntax to process individual records in a collection using DB listeners, and predict outcomes. - Apply correct processors/syntax to persist data between flow executions. ### Transforming Data (10%) - Convert between output types and data types using DataWeave. - Predict the result of core DataWeave functions. - Apply correct syntax to write DataWeave transformations to coerce, format, order, and filter data, and predict outcomes. - Call Mule flows from a DataWeave script. - Define, use, and reuse DataWeave modules, functions, and variables, and predict outcomes. ### Routing Events (8%) - Apply correct processors/syntax to route messages using DataWeave conditions within a choice router, and predict outcomes. - Apply correct processors/syntax to scatter and gather messages, and predict outcomes. - Apply correct processors/syntax to validate Mule events, and predict outcomes. ### Handling Errors (8%) - Apply correct processors/syntax to implement global error handlers, and predict outcomes. - Apply correct processors/syntax to implement on-error continue and on-error propagate handlers, and predict outcomes. - Apply correct processors/syntax to combine multiple error handlers, and predict outcomes. - Apply correct processors /syntax to implement try scopes, and predict outcomes. - Apply correct processors/syntax to map custom errors, and predict outcomes. ### Debugging and Troubleshooting Mule Applications (5%) - Identify root causes for errors when debugging Mule applications, and predict outcomes. ### Deploying and Managing APIs and Integrations (7%) - Deploy applications to CloudHub. - Manage APIs using separate proxies and auto-discovery. - Manage API policies. ## How many reviewed MuleSoft Developer practice questions are there? 300 reviewed questions. Every question follows the current official MuleSoft Developer exam outline and is checked against Salesforce documentation before it is published. A full practice exam has 60 questions and a 120-minute time limit, with the same mix of sections as the real exam. You can also practice one section at a time. | Exam section | Weight | Reviewed questions | | --- | --- | --- | | Creating Application Networks | 7% | 21 | | Designing APIs | 8% | 24 | | Accessing and Modifying Mule Events | 10% | 30 | | Structuring Mule Applications | 10% | 30 | | Building API Implementation Interfaces | 7% | 21 | | Using Connectors | 10% | 30 | | Processing Records | 10% | 30 | | Transforming Data | 10% | 30 | | Routing Events | 8% | 24 | | Handling Errors | 8% | 24 | | Debugging and Troubleshooting Mule Applications | 5% | 15 | | Deploying and Managing APIs and Integrations | 7% | 21 | | Total | 100% | 300 | ## Common questions about the MuleSoft Developer exam ### How many questions are on the Salesforce MuleSoft Developer exam? The MuleSoft Developer exam has 60 scored questions plus 5 unscored questions, with a time limit of 120 minutes. ### What is the passing score for the MuleSoft Developer exam? The passing score is 70%. Certifyforce's readiness score weights your practice results by the official section weights so you know whether you'd clear that bar. ### How much does the MuleSoft Developer exam cost? Registration is USD $200 plus applicable taxes, and retakes cost USD $100. Quality practice is the cheapest way to avoid paying for a retake. ### Is there a prerequisite for the MuleSoft Developer exam? No. The MuleSoft Developer exam has no certification prerequisite. Salesforce positions it as a intermediate credential. ### How many practice questions are in the MuleSoft Developer question bank? 300 reviewed questions across all 12 sections of the current official exam outline. Every question is checked against Salesforce documentation before it is published. A timed practice exam draws 60 questions and gives you 120 minutes, with the same mix of topics as the real exam. ### Are these real exam questions or braindumps? No. Certifyforce writes original practice questions aligned to the official exam outline. Using leaked exam questions (dumps) violates the Salesforce certification agreement and can get your credentials revoked — original scenario practice builds the same skills without the risk. ### What topics are on the MuleSoft Developer exam? The exam covers 12 sections: Creating Application Networks (7%), Designing APIs (8%), Accessing and Modifying Mule Events (10%), Structuring Mule Applications (10%), Building API Implementation Interfaces (7%), Using Connectors (10%), Processing Records (10%), Transforming Data (10%), Routing Events (8%), Handling Errors (8%), Debugging and Troubleshooting Mule Applications (5%), Deploying and Managing APIs and Integrations (7%). ### How is Certifyforce different from other practice exams? The MuleSoft Developer questions follow the current official exam outline. Every question is reviewed by a person and checked against Salesforce documentation. You can see your score by section and practice the topics you missed without taking the full exam again. ## Related pages - [Free Salesforce MuleSoft Developer practice questions with answers](https://www.certifyforce.com/mulesoft-developer-practice-exam/free-questions) - [Salesforce Salesforce Developer certification path](https://www.certifyforce.com/salesforce-certifications/developer) - [Salesforce JavaScript Developer practice exam](https://www.certifyforce.com/salesforce-javascript-developer-1-practice-exam) - [Salesforce Omnistudio Developer practice exam](https://www.certifyforce.com/salesforce-omnistudio-developer-practice-exam) - [Salesforce Platform App Builder practice exam](https://www.certifyforce.com/salesforce-platform-app-builder-practice-exam) - [Salesforce Platform Developer I practice exam](https://www.certifyforce.com/salesforce-platform-developer-1-practice-exam) - [Salesforce Slack Developer practice exam](https://www.certifyforce.com/salesforce-slack-developer-practice-exam) - [Salesforce Platform Developer II practice exam](https://www.certifyforce.com/salesforce-platform-developer-2-practice-exam) - [All Salesforce certifications](https://www.certifyforce.com/salesforce-certifications) - [Official MuleSoft Developer exam guide](https://help.salesforce.com/s/articleView?id=005298959&language=en_US&type=1)