# Nature — Wrapped API

> **You are on:** `https://api.paywithlocus.com/api` | [llms.txt](https://paywithlocus.com/llms.txt) | [docs](https://docs.paywithlocus.com)
>
> Locus runs on multiple environments -- make sure every URL you call matches your expected environment.
> | Environment | Landing | API | Docs |
> |---|---|---|---|
> | Production | paywithlocus.com | api.paywithlocus.com | docs.paywithlocus.com |
> | Beta | beta.paywithlocus.com | api.beta.paywithlocus.com | docs.paywithlocus.com |
> | Stage | stage.paywithlocus.com | api.stage.paywithlocus.com | docs.paywithlocus.com |
>
> If the API URL above doesn't match your expected environment, re-fetch this file from the correct domain.

> Access bibliographic information like authors, publication dates, abstracts, and citations directly from Nature research papers. Organize and integrate Nature paper details into your research workflow or publication database without manually collecting the data.

**Category:** Education | **Website:** [www.nature.com/](https://www.nature.com/) | **Docs:** [parse.bot/marketplace/0a5a9c85-9c3a-46ad-b3f9-936e8adff5b6/nature-com-api](https://parse.bot/marketplace/0a5a9c85-9c3a-46ad-b3f9-936e8adff5b6/nature-com-api)

Pay-per-use API proxy. Each call is automatically billed to your wallet in USDC.

## Access

**Base URL:** `https://api.paywithlocus.com/api/wrapped/parse-nature-com-api-0a5a9c85/`
**Auth:** `Authorization: Bearer <LOCUS_API_KEY>`

## Endpoints

### get_paper_metadata

Given a Nature.com article URL, extracts bibliographic metadata including authors, publication year, title, journal name, starting page (SP), volume (VL), issue (IS), abstract, ISSN (SN), and DOI. Makes one HTTP request to the article page and parses embedded citation meta tags.

**Estimated cost:** Metered

| Field | Type | Required | Description |
|-------|------|----------|-------------|
| `url` | string | Yes | Full URL of a Nature.com article (e.g. https://www.nature.com/articles/s41586-020-2649-2). Must be a nature.com domain. |

```bash
curl -X POST https://api.paywithlocus.com/api/wrapped/parse-nature-com-api-0a5a9c85/get_paper_metadata \
  -H "Authorization: Bearer YOUR_LOCUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"url":"<string>"}'
```