Wil Wang updated the Azure Cosmos DB Data API documentation in the MicrosoftDocs/azure-databases-docs repository, focusing on MongoDB vCore Data API usage. He delivered new guidance for enabling the Data API through the Azure Portal and expanded the documentation with detailed curl command examples, including authentication using username and password. By adding realistic JSON response samples and clarifying end-to-end usage scenarios, Wil improved onboarding and integration reliability for developers. His work, primarily using Markdown and API documentation skills, aligned the documentation with recent Data API features, helping reduce support friction and making it easier for customers to adopt the updated API.