Dan Wilkins focused on stabilizing the AED Explainer Document API response handling in the communitiesuk/eip-ero-print-api repository, addressing a key integration issue by correcting the OpenAPI specification. He updated the YAML-based API definition to accurately reflect the response structure, including versioning, content-type, and filename formatting, which enables client applications to reliably generate and process PDF documents. By aligning the documentation with actual API behavior, Dan reduced integration friction and support overhead for partners consuming AED explainer PDFs. His work demonstrated depth in API design and OpenAPI Specification, resulting in improved reliability and maintainability for downstream client implementations.