HAT Data Debits are the cornerstone of consented data exchange. It is the only way data can be retrieved from the HAT by anyone else than the owner and enforces a strictly-defined format defining the specific data requested for the user to review and approve.
The general process of retrieving data using a Data Debit is:
- Propose a Data Debit including the Data Bundle specification to a HAT
- The HAT user sees the Data Debit as an unapproved request, reviews it and approves it. Data Debit becomes
- Request Data Debit values from the HAT
- Optional: If any changes are required to the Data Debit request, submit a request to update it, go back to step 2