---
title: "Search for Descriptor-Qualifier pairs, also known as Subheadings."
method: GET
path: "/lookup/pair"
tags: ["lookup"]
---

# Search for Descriptor-Qualifier pairs, also known as Subheadings.

`GET /lookup/pair`

## Query parameters

- `label` string, required
- `descriptor` string, required
- `match` 'exact' | 'contains' | 'startswith'
- `limit` integer

## Response `200`

array of zero or more descriptor-qualifier pairs and their labels

- ResourceResult[]
  - `resource` string, uri, required
  - `label` string, required
  - `preferred` boolean

## Other responses

- `400` — invalid parameters

---

[API](https://skmtc.net/hhs/apis/mesh-rdf-api.md) · [All operations](https://skmtc.net/hhs/apis/mesh-rdf-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/hhs/mesh-rdf-api/versions/40b27ae9fc28/schema)