---
title: "Get Paper Graph"
method: POST
path: "/api/search/global/match"
---

# Get Paper Graph

`POST /api/search/global/match`

## Request

- Base URL: `https://api.openpaper.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.openpaper.ai/api/search/global/match`
- Auth: API key in header `Authorization`

Get the citation graph for a paper.

Either doi or paper_id must be provided. If paper_id is provided,
the paper's DOI will be used to look up the OpenAlex ID.

## Query parameters

- `doi` string, nullable
- `paper_id` string, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/openpaper/apis/open-paper.md) - [All operations](https://skmtc.dev/openpaper/apis/open-paper/llms.txt) - [OpenAPI document](https://skmtc.dev/openpaper/apis/open-paper/revisions/c2ad03216101?raw)