UHI — the Unified Health Interface

In one line

The Unified Health Interface (UHI) is an open network for health services: any compliant patient-facing app can discover, book and pay for a consultation, test or appointment offered by any compliant provider app — because discovery runs on a public protocol instead of inside a private marketplace.

The analogy that actually holds

UHI is to health services what UPI is to payments. That comparison gets thrown around loosely, so here is the part that makes it real.

Before UPI, sending money meant both people living inside the same app's walls. The app owned the network, so it owned the terms. UPI made the network public: the app became a mere window onto it, and competition moved to who built the nicest window rather than who trapped the most users.

UHI attempts exactly that inversion for care. Today, booking a doctor online means entering somebody's marketplace — and that marketplace decides which doctors you see, in what order, and what the placement costs the doctor. Discovery is the product being sold. UHI proposes that discovery is infrastructure instead, and that a clinic should be findable without renting visibility.

How it's put together

UHI is built on the Beckn protocol — the same open network protocol underneath ONDC in Indian e-commerce. That reuse is deliberate: it's the same digital-public-infrastructure conviction applied to a different sector.

Two roles:

• EUA — End User Application. The patient's app. Any app.
• HSP application — Health Service Provider. The clinic, lab, hospital or teleconsultation service offering something bookable.

And a four-stage journey the protocol standardises end to end:

discovery → booking → fulfilment → post-fulfilment

How it differs from the rest of ABDM

Keep this distinction clear, because the two halves are often blurred:

• The HIE-CM exchanges records — data about care that already happened, under consent.
• UHI brokers services — care that hasn't happened yet: find a dermatologist, book Thursday, pay, attend.

Records versus appointments. Both need HFR and HPR identity underneath, which is why the registries matter to both.

The honest position

UHI is the most ambitious and least settled piece of ABDM. Open networks live or die on supply-side participation, and the incumbents with the most to lose are precisely the platforms whose business is owning discovery. UPI worked partly because banks had a regulator who could insist. The equivalent pressure in health services is weaker.

So treat UHI as a serious, well-designed bet whose outcome is genuinely open — not as a settled fact. It's worth understanding deeply for exactly that reason: if it lands, it rearranges who captures the value in Indian healthcare.