Search Unpaywall in Duaer

---
name: duaer-unpaywall
description: >-
  Look up open-access status for a DOI in Unpaywall through Duaer.
  One successful search uses 1 Duaer credit.
---

# Duaer Unpaywall

Look up open-access status for a DOI in Unpaywall through Duaer with a Duaer key.

## Call

`GET https://api.duaer.com/v1/data/unpaywall?words=10.1038%2Fnature12373&limit=10`

Provide `words` or `id`.
- `words` — search words, such as 10.1038/nature12373.
- `id` — optional. Id such as 10.1038/nature12373.
- `limit` — optional. From 1 to 20. Default 10.

## Result

Each item has `source`, `title`, `url`, `summary`, `doi`, `isOa`, and `oaStatus`.