Category Guidance Document Organisation Australian Digital Health Agency (ADHA) ID DG-3106 Type Guide Created date 10/07/2025 This is the current version. The Healthcare Identifiers Integration Toolkit contains libraries for B2B connectivity to the HI Service, used to search for IHI, HPI-Is and HPI-Os.The sample code and integration tools provided here should only be used in conjunction with the Agency's detailed specifications for the HI Service and, where appropriate, by working with technical and other connectivity instruction provided by the System Operator of the Healthcare Identifiers Service.GitHubThe Australian Digital Health Agency has chosen GitHub as its collaboration tool to allow developers to more readily access, contribute to the development of, and to collaborate with others in the developer community on our code libraries and selected resources.A directory of the Australian Digital Health Agency code libraries and links to resources can be found here:Open Source Sample Code Directory - GitHub and NuGetResources available Healthcare Identifiers B2B WSDLs CompiledHealthcare Identifiers (operated by DHS) B2B Client LibraryHealthcare Identifiers B2B WSDLs CompiledHealthcare Identifiers (operated by DHS) B2B Client LibrarySecure Message Delivery Common WSDLs Compiled If you are looking for previous versions of these resources, contact help@digitalhealth.gov.au