---
title: Blog | SQL Passthrough
description: SQL Passthrough | Halo Connect is the pioneer in developing robust, safe and secure APIs for on-premise healthcare data sources.
image: https://haloconnect.io/hubfs/BLOGTEST3.png
---

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TOPIC

# SQL Passthrough

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- [ALL](https://haloconnect.io/blog/all)
- [Features](https://haloconnect.io/blog/tag/features)
- [Interoperability](https://haloconnect.io/blog/tag/interoperability)
- [SQL Passthrough](https://haloconnect.io/blog/tag/sql-passthrough)
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<https://haloconnect.io/blog/async-queries>

Features

### [Digging deep with async queries](https://haloconnect.io/blog/async-queries)

Wondering how async queries work? Let's dive into why they are our recommended default query type, how to use them, and the quirks you should be...

 Millie Macdonald  Jul 25, 2025

<https://haloconnect.io/blog/custom-notifications-using-registered-queries-and-webhooks>

Features

### [Better polling and custom notifications using Registered Queries](https://haloconnect.io/blog/custom-notifications-using-registered-queries-and-webhooks)

Want to know when appointments appear or a patient’s records change? Get instant notifications for custom database queries with Registered Queries +...

 Millie Macdonald  Jul 9, 2025

<https://haloconnect.io/blog/halo-desktop-api>

Features

### [Feature Highlight - Desktop API](https://haloconnect.io/blog/halo-desktop-api)

Need your on-prem application to talk directly to Halo's APIs? We've got you covered....

 Millie Macdonald  Jun 26, 2025

<https://haloconnect.io/blog/webhooks-now-live>

Features

### [Webhooks - now live!](https://haloconnect.io/blog/webhooks-now-live)

Receive real-time alerts, cut down on polling, and trust every payload with HMAC-signed webhooks. Secure, efficient, and now live in production.

 Millie Macdonald  Jun 19, 2025

<https://haloconnect.io/blog/introducing-async-query-result-streaming>

Features

### [Introducing: Async query result streaming](https://haloconnect.io/blog/introducing-async-query-result-streaming)

We’ve just launched a new endpoint for streaming async query results. It's faster, more efficient, and ideal for handling large data - read on for...

 Millie Macdonald  Jun 11, 2025

<https://haloconnect.io/blog/whatsnew2502>

Interoperability

### [What’s New in Halo: Desktop API, Webhooks, Integrator Portal, and FHIR Enhancements](https://haloconnect.io/blog/whatsnew2502)

We've been busy! Here's a quick overview of the upcoming improvements across FHIR and security, plus three new features...

 Millie Macdonald  May 21, 2025

<https://haloconnect.io/blog/upcomingfeatures-1124>

Interoperability

### [New features to round out 2024!](https://haloconnect.io/blog/upcomingfeatures-1124)

Interested in FHIR, OAuth, webhooks, or support portals? Here’s a round up of the new features we intend to release before the end of the year.

 Millie Macdonald  Oct 31, 2024

<https://haloconnect.io/blog/upcomingfeatures>

Best Practice

### [Upcoming feature announcements](https://haloconnect.io/blog/upcomingfeatures)

Here's a sneak peek of what's coming up - if these features are of interest to you, don't forget to provide some feedback!

 Millie Macdonald  Jul 18, 2024

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