Alexander De Baets developed new endpoints for the Document Translation API 2025-12-01-preview in the Azure/azure-rest-api-specs repository, expanding the REST API to support programmatic document translation requests. He updated the OpenAPI specification, introducing additional endpoints and parameters to align with enterprise translation workflow requirements. His work focused on API development and specification design, leveraging JSON to define the new interface and ensure compatibility with Azure Services. By enhancing the API surface, Alexander enabled easier integration and reuse of translation capabilities across services. The contribution demonstrated depth in designing extensible APIs and collaborating on specification-driven development within Azure’s ecosystem.