> For the complete documentation index, see [llms.txt](https://doc.duaer.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.duaer.com/getting-started/metabolomics.md).

# Search metabolomics studies in Duaer

In Duaer, search metabolomics studies in Metabolomics Workbench. One successful search uses 1 credit.
## What you get

Metabolomics in the Duaer data market uses 1 credit per successful search.

Add the node from the [Duaer Data category](/getting-started/duaer-data.md) (Metabolomics), or copy the skill on the [data market](/getting-started/data-market.md). Related: [Metabolites](/getting-started/metabolites.md).

## Search on the canvas

1. Open the node creator, select Duaer Data, then Metabolomics.
2. Enter Words (a new node starts with diabetes), or an id.
3. Limit defaults to 10, max 20. Select Execute step.

A successful search uses 1 credit. Production deliverables land in the [data pool](/getting-started/data-pool.md).

## Call the API

- GET https://api.duaer.com/v1/data/metabolomics?...
- Authorization: Bearer <Duaer key>
- words or id is required.

For keys, refer to [Authentication for the Duaer public API](/api/authentication.md). Below is the same English call skill as Copy skill.

## Call skill

Same text as Copy skill on the Duaer data market. Keep it English.

```
---
name: duaer-metabolomics
description: >-
  Search metabolomics studies in Metabolomics Workbench through Duaer.
  One successful search uses 1 Duaer credit.
---

# Duaer Metabolomics

Search metabolomics studies in Metabolomics Workbench through Duaer with a Duaer key.

## Call

`GET https://api.duaer.com/v1/data/metabolomics?words=diabetes&limit=10`

Header: `Authorization: Bearer <Duaer key>`

Use an account key or a model API key.

Provide `words` or `id`.
- `words` — study title words, such as diabetes.
- `id` — optional. Study id such as ST000001.
- `limit` — optional. From 1 to 20. Default 10.

## Result

Each item has `source`, `title`, `url`, `summary`, `studyId`, `species`, `institute`, `analysisType`, and `sampleCount`.


```
## Questions

### How many credits does a Metabolomics search use in Duaer?

One successful Metabolomics search in Duaer uses 1 credit.