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HSDA / Data Replication

An internationally supported open standard for directory data.

Human Services Data APIs — an open standard from Open Referral — provide a standardized, well-documented method for accessing and exchanging resource directory data.

Connect 211 deploys a subset of endpoints primarily for data replication via API, so partners can pull portable directory data while clients keep control.

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Standards-based exchange for partners.

How it works.

Publish once through Connect 211 infrastructure — partners replicate through documented HSDA endpoints.

  1. Publish through orchestration

    Directory data is normalized and prepared so replication endpoints serve a consistent, partner-ready representation.

  2. Expose HSDA replication endpoints

    Partners access a documented subset of Human Services Data API endpoints focused on reliable data replication.

  3. Partners pull on their schedule

    Downstream systems stay current without bespoke one-off feeds — and without assuming the data is open to the world.

Features

Portable directory access grounded in open standards — with ownership still in client hands.

  • Open Referral HSDA

    Built on the Human Services Data APIs specification supported by international public-good collaborators.

  • Replication-first endpoints

    Connect 211 currently deploys a practical subset focused on data replication rather than every possible HSDA surface.

  • Documented integration

    Public specification plus Connect 211 implementation docs so technical partners know what they are calling.

  • Control stays with the client

    Open standards improve interoperability — they do not equal open data. Clients maintain full control over their directory data.

  • Partner-ready portability

    Give healthcare, government, and software partners a standards-based way to receive fresh directory data.

  • Path to fuller coverage

    Roadmap work aims at broader specification coverage and a more user-friendly developer portal.

Who it’s for.

For stewards who need to offer portable data — and partners who refuse to rebuild proprietary feeds for every region.

  • 211s & Information & Referral

    Offer enterprise and public-sector partners a standards-based replication path that can support sustainable data services.

  • Healthcare & care coordination

    Pull portable community-resource data into care platforms when HSDA is the exchange contract your architecture expects.

  • Government & integrators

    Reduce one-off spreadsheet and CSV choreography with documented API replication grounded in Open Referral.

Open standards.

Interoperability without pretending open standards mean open data.

This specification is built and supported by the UK government and an international community of public-good volunteers. Open standards dramatically improve partnership opportunities for I&Rs — while Connect 211 clients keep ownership and control of their directory data.

Open Referral specification on GitHub

Roadmap.

HSDA support today is practical and replication-focused; fuller coverage is planned.

  • Implement broader coverage of the HSDA specification over time.
  • Place the API behind a more user-friendly developer portal.
Community partners supporting people seeking local help

Thanks.

HSDA work stands on the Open Referral community and the wider open-standards collaborators who keep Human Services Data APIs moving forward.

  • Open Referral
  • Open standards collaborators

Ready when you are.

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