To establish web service functionality you will need the Technical Services Contract which includes details of the available USI web services. These services allow an authorised consumer to perform the following actions:

• Create a USI record for an individual and receive an immediate response
• Submit a batch of USI creation requests for processing
• Retrieve the results of a previously submitted batch request
• Verify a USI for an individual and receive an immediate response
• Verify a batch of USIs and receive an immediate response.