Performance data for the NHS Business Services Authority (NHSBSA) Overseas Health Services UK European Health Insurance Card (EHIC) and UK Global Health Insurance Card (UK GHIC) Digital...
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Baby Loss Certificate service data now available
21 October 2025
Data about the Baby Loss Certificate (BLC) service is now available on the Open Data Portal. The NHS Business Services Authority administers this service on behalf of the Department...
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Get More from the Open Data Portal – Register to Explore
14 October 2025
Did you know the Open Data Portal has features that make it easy to access, follow, and engage with the data that matters to you? Key features include: User accounts: Creating an account...
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The latest deployment to the NHSBSA Open Data Portal has been completed, bringing improvements and fixes to enhance your experience when browsing datasets. Clearer dataset titles and...
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To support users in transitioning to the new formatting standards introduced under ODP Best Practice and Statistical guidelines, we will be providing the April, May, and June 2025...
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Changes to the ‘standard’ compressed file type (.ZIP -> .GZ)
17 April 2024In response to feedback from our users, we've made some adjustments to the standard file type when downloading compressed data from the Open Data Portal. This change is aimed at enhancing accessibility for alternative API connection methods and reducing download latency.
When downloading large data files using either the ‘Data Explorer’ or through an API connection, which requires compression, we have changed the standard compressed file type from .ZIP to .GZ.
The Data Explorer
When downloading through the data explorer, you will be presented with different options (below) if the file requires compression. These will generate .gz compressed files.
API Connections
Although there are multiple ways to connect via an API, it is worth noting that the standard compressed file type is now .GZ. You may need to make appropriate adjustments to your code.
We have updated and refined the example API codes accordingly, accessible via the following button within each File page.
Any issues, please don't hesitate to get in touch via our support team DataServicesSupport@nhsbsa.nhs.uk.
Warm regards,
Michael Smith
Service Lead - Open Data