> ## Documentation Index
> Fetch the complete documentation index at: https://nango.dev/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# MEDITECH Greenfield - How do I link my account?

## Overview

To authenticate with MEDITECH Greenfield via the Connect UI, you need:

1. **Authorization host** — the MEDITECH host that issues authorization codes.
2. **FHIR API host** — the MEDITECH host that issues tokens and serves the FHIR API.

<Note>
  Sandbox hosts only work against synthetic test patients in the Greenfield Workspace. Going live against a real healthcare organization's data uses different hosts, provisioned separately by that organization.
</Note>

## Prerequisites

* The MEDITECH Greenfield integration must already be configured in Nango with a Client ID and Client Secret — see the [OAuth client setup guide](/docs/api-integrations/greenfield-meditech/how-to-register-your-own-greenfield-meditech-api-oauth-app) if that hasn't been done yet.

## Instructions

### Step 1: Find your authorization host and FHIR API host

Which hosts you use depends on whether you're testing against the sandbox or connecting to a real healthcare organization:

| Environment        | Authorization host (`authHost`)    | FHIR API host (`host`)              |
| ------------------ | ---------------------------------- | ----------------------------------- |
| Greenfield sandbox | `greenfield-apis.meditech.com`     | `greenfield-prod-apis.meditech.com` |
| Production         | Varies per healthcare organization | Varies per healthcare organization  |

* **Sandbox**: use the fixed hosts above while testing with synthetic patients.
* **Production**: each MEDITECH customer's FHIR endpoints are listed in MEDITECH's [endpoint directory](https://greenfield.meditech.com/explorer/endpoints). A single organization may expose multiple endpoints depending on its facility footprint, so confirm the exact authorization host and FHIR API host with the healthcare organization directly. Enter both without the `https://` prefix and without a trailing slash.

### Step 2: Enter your hosts in the Connect UI

1. Open the Connect UI (or the **Connections** tab -> *Add Test Connection* -> *Authorize*) for MEDITECH Greenfield.
2. Enter the **Authorization host** and **FHIR API host** from Step 1.
3. Log in with the credentials you use for MEDITECH Expanse (via your organization's identity provider) and approve the requested scopes.

<img src="https://mintcdn.com/nango/0N_K5P4B5WBX2W3r/api-integrations/greenfield-meditech/form.png?fit=max&auto=format&n=0N_K5P4B5WBX2W3r&q=85&s=5e7da7a80f5a93333cc4c863c0d6e26d" style={{maxWidth: "450px" }} width="996" height="1230" data-path="api-integrations/greenfield-meditech/form.png" />

You are now connected to MEDITECH Greenfield.