---
title: "List DICOM modalities"
method: GET
path: "/modalities"
tags: ["Networking"]
---

# List DICOM modalities

`GET /modalities`

List all the DICOM modalities that are known to Orthanc. This corresponds either to the content of the `DicomModalities` configuration option, or to the information stored in the database if `DicomModalitiesInDatabase` is `true`.

## Query parameters

- `expand` string

## Response `200`

- unknown

---

[API](https://skmtc.net/orthancserver/apis/orthanc-server.md) · [All operations](https://skmtc.net/orthancserver/apis/orthanc-server/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/orthancserver/orthanc-server/versions/af646f6f871b/schema)