Designing and sharing APIs10% of the exam
API Contracts and Dependency Boundaries
Trace the contract, repository dependency and implementation separately, then identify which teams must act when each changes. Use Studio's design tools without confusing a specification reference with application code.
Identify dependencies between an API, its API specification, its implementation, and its clients.
~6 min read · 2 practice questions
What the exam expects
- Trace the dependency from a consumer's observable contract to the provider implementation.
- Predict what publishing a specification changes in an existing Studio project.
- Distinguish private implementation changes from consumer-facing contract changes.
- Choose the appropriate specification project or dependency workflow for the work required.
An API contract describes the exposed interface and behavior; a specification records that description; an implementation realizes it; a dependency identifies an artifact a project uses; a consumer invokes the exposed API.
Key facts
Exchange import
- Detail
- The Mule project references the selected specification version.
New publication
- Detail
- Studio can notify the developer of an available newer version.
Conformance
- Detail
- The implementing application must realize its selected specification.
Compatibility
- Detail
- Evaluate whether the exposed change requires consumer adaptation.
Local RAML
- Detail
- Reimport an externally updated local-copy specification.
Design inspection
- Detail
- The API Console lists summary, endpoints/methods and defined types.
Simulator configuration
- Detail
- Enabling Studio mocking leaves
baseUriunchanged.
Request preparation
- Detail
- The selected endpoint populates Request URL.
- Why can a Studio design-project simulation retain the specification's original address declaration?
- When a synchronized specification project is ready for simulation, which explorer action enables the service?
- Which API Console field adds specific parameters to a test request?
The questions are free to read. Answers with their sources and self-grading are included with the pack.
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