> 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/mutalyzer.md).

# Search Mutalyzer in Duaer

In Duaer, normalize an HGVS description with Mutalyzer. One successful search uses 1 credit.
## What you get

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

Related: [variants](/getting-started/variants.md).

## Search on the canvas

1. Open the node creator, pick Duaer Data → Mutalyzer .
2. Fill Words (default NM_007294.4:c.68_69del) or ID.
3. Limit defaults to 10, max 20. Execute.

A successful search uses 1 credit.

## Call the API

- GET https://api.duaer.com/v1/data/mutalyzer?...
- Authorization: Bearer <Duaer key>

The call skill below matches Copy skill.

## Call skill

Same text as Copy skill.

```
---
name: duaer-mutalyzer
description: >-
  Normalize an HGVS description with Mutalyzer through Duaer.
  One successful search uses 1 Duaer credit.
---

# Duaer Mutalyzer

Normalize an HGVS description with Mutalyzer through Duaer with a Duaer key.

## Call

`GET https://api.duaer.com/v1/data/mutalyzer?words=NM_007294.4:c.68_69del`

Provide `words` or `id`.
- `words` — HGVS description, such as NM_007294.4:c.68_69del.
- `id` — optional. HGVS description.

## Result

Each item has `source`, `title`, `url`, `summary`, `inputDescription`, `normalizedDescription`, and `proteinDescription`.

```
## Questions

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

One successful search uses 1 credit.