MuleSoft provides API-led connectivity in three layers: System APIs expose backend data (ERP, databases, SaaS), Process APIs compose system APIs into business logic, and Experience APIs serve specific applications (mobile, web, partner). This layered architecture enables reuse — each API built once serves multiple consumers. DataWeave 2.0 handles complex data transformations.
Enterprise MuleSoft requires: RAML/OAS API specifications, DataWeave transformation expertise, deployment strategy (CloudHub 2.0 vs Runtime Fabric vs customer-hosted), API governance (API Manager policies, SLA tiers, analytics), and the CI/CD automation (Maven builds, MUnit tests, environment promotion) that keeps API development agile.