Synchronizer API, version 3.0.0

One API to read and write across 15 health record systems.

Book appointments, read financials and keep patient records in sync, inside the practice's own system. Build in your sandbox, then go live with real practices.

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About 10 minutes to a booked appointment in your sandbox. No health record system needed.

curl --request POST \
  --url https://nexhealth.info/authenticates \
  --header "Nex-Api-Version: v3.0.0" \
  --header "Authorization: $NEX_API_KEY"

Path 1

Build an app

Book an appointment in your demo practice. All you need is your sandbox key.

Open the quickstart

Path 2

Read data

Pull patients, appointments and financials into your own system and keep them current.

Build a data pipeline

Path 3

Go live

Connect a real practice and onboard your first location.

Open the go-live checklist

Build by use case

Scheduling

Show open times and book into the practice's calendar.

Scheduling quickstart Scheduling configuration guide Troubleshooting available slots

Payments and ledger

Read what a patient owes and post payments to the ledger.

Payments quickstart Payments configuration guide Troubleshooting payments

Patients

Find a patient, or create one without making a duplicate.

Patients quickstart Patients configuration guide Troubleshooting patients

Webhooks and data

Get told when data changes and when a write lands.

Webhooks Data pipelines quickstart Webhook events

Prefer working code? Three complete sample apps: a booking widget, an AI receptionist and payment posting.

New to healthcare software?

Start with the concepts. They explain the terms the API uses and how data moves between your app, NexHealth and the practice.

Institutions, syncs, and locations How a write reaches the health record system Getting to know a healthcare office

Supported health record systems

Cloud athenahealth Cloud9 Curve Hero Denticon Dentrix Ascend eClinicalWorks ModMed NextGen Office

Server Dentrix Dentrix Enterprise Dolphin Eaglesoft Open Dental OrthoTrac PracticeWorks

See supported versions

Ready for real practices?

The go-live checklist takes you from a working sandbox build to your first live practice.

Open the go-live checklist

Use the docs with AI tools Test with a real system Errors Changelog developers@nexhealth.com