> For the complete documentation index, see [llms.txt](https://icure.gitbook.io/icure/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://icure.gitbook.io/icure/interoperability/iti-registry-repository.md).

# IHE XDS calls

The XDS-b profile was initiated by the IHE to provide a structure for a document-sharing environment through a trusted network. It describes the registration, query, retrieval, and publication of clinical documents.