# OpenAlex on Onekey

> 15 endpoints for OpenAlex (15 stable, 0 beta), 1 to 5 credits each. Category: Science & research. One key, one JSON shape.

Base URL: https://api.onekey.dev
Auth: header `x-api-key: <key>`. Call shape: `GET /v1/{platform}/{endpoint}?{params}`.
Every response is `{success, data, metadata, error}`; check `success` first. Cost is in `metadata.credits_charged`. Free when served from cache (0.2 credit for a cached response over 100 KB). Failed and not-found calls are refunded.
Status: stable = verified against the live source; beta = not yet verified, fields may be missing.

Page: https://onekey.dev/platforms/openalex
Reference (Markdown): https://onekey.dev/docs/api/openalex.md
All docs: https://onekey.dev/llms.txt

## Canonical fields returned

Unified-schema fields (same names on every platform), with how many of the 15 mapped OpenAlex endpoints return each:

- `engagement.citations` (integer): 13
- `entity.id` (string): 11
- `entity.name` (string): 11
- `entity.url` (URL): 11
- `entity.country` (string): 4
- `entity.description` (string): 4
- `author.displayName` (string): 2
- `author.id` (string): 2
- `content.id` (string): 2
- `content.title` (string): 2
- `content.type` (string): 2
- `content.year` (integer): 2
- `entity.type` (string): 2
- `paper.doi` (string): 2
- `paper.issn` (string): 2
- `paper.openAccess` (boolean): 1
- `paper.openAccessUrl` (URL): 1
- plus 4 platform-specific fields under `ext.`

## Endpoints

### openalex.author

OpenAlex author record by OpenAlex id.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/openalex/author?id=A5023888391` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `id` (string, required): OpenAlex author id
- Fields returned: `author.id`, `author.displayName`, `ext.orcid`, `ext.works`, `ext.authorCitations`
- Reference: https://onekey.dev/docs/api/openalex/author.md

### openalex.authors

Search OpenAlex authors.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/openalex/authors?q=einstein` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `q` (string, required): Search query
- Fields returned: `author.id`, `author.displayName`, `ext.orcid`, `ext.works`, `ext.authorCitations`
- Reference: https://onekey.dev/docs/api/openalex/authors.md

### openalex.concept

OpenAlex concept record by OpenAlex id.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/openalex/concept?id=C121332964` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `id` (string, required): OpenAlex concept id
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `engagement.citations`, `entity.description`, `ext.works`, `ext.level`
- Reference: https://onekey.dev/docs/api/openalex/concept.md

### openalex.concepts

Search OpenAlex concepts.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/openalex/concepts?q=physics` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `q` (string, required): Search query
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `engagement.citations`, `entity.description`, `ext.works`, `ext.level`
- Reference: https://onekey.dev/docs/api/openalex/concepts.md

### openalex.funder

OpenAlex funder record by OpenAlex id.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/openalex/funder?id=F4320337376` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `id` (string, required): OpenAlex funder id
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `engagement.citations`, `entity.country`, `ext.works`
- Reference: https://onekey.dev/docs/api/openalex/funder.md

### openalex.funders

Search OpenAlex funders.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/openalex/funders?q=nih` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `q` (string, required): Search query
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `engagement.citations`, `entity.country`, `ext.works`
- Reference: https://onekey.dev/docs/api/openalex/funders.md

### openalex.institution

OpenAlex institution record by OpenAlex id.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/openalex/institution?id=I63966007` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `id` (string, required): OpenAlex institution id
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `engagement.citations`, `entity.country`, `ext.works`
- Reference: https://onekey.dev/docs/api/openalex/institution.md

### openalex.institutions

Search OpenAlex institutions.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/openalex/institutions?q=mit` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `q` (string, required): Search query
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `engagement.citations`, `entity.country`, `ext.works`
- Reference: https://onekey.dev/docs/api/openalex/institutions.md

### openalex.publishers

Search OpenAlex publishers.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/openalex/publishers?q=elsevier` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `q` (string, required): Search query
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `engagement.citations`, `ext.works`
- Reference: https://onekey.dev/docs/api/openalex/publishers.md

### openalex.source

OpenAlex source record by OpenAlex id.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/openalex/source?id=S137773608` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `id` (string, required): OpenAlex source id
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `engagement.citations`, `paper.issn`, `entity.type`, `ext.works`
- Reference: https://onekey.dev/docs/api/openalex/source.md

### openalex.sources

Search OpenAlex sources.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/openalex/sources?q=nature` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `q` (string, required): Search query
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `engagement.citations`, `paper.issn`, `entity.type`, `ext.works`
- Reference: https://onekey.dev/docs/api/openalex/sources.md

### openalex.topic

OpenAlex topic record by OpenAlex id.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/openalex/topic?id=T11948` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `id` (string, required): OpenAlex topic id
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `engagement.citations`, `entity.description`, `ext.works`
- Reference: https://onekey.dev/docs/api/openalex/topic.md

### openalex.topics

Search OpenAlex topics.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/openalex/topics?q=machine%20learning` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `q` (string, required): Search query
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `engagement.citations`, `entity.description`, `ext.works`
- Reference: https://onekey.dev/docs/api/openalex/topics.md

### openalex.work

OpenAlex work by OpenAlex id.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/openalex/work?id=W2741809807` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `id` (string, required): OpenAlex work id, e.g. W2741809807
- Fields returned: `content.id`, `content.title`, `paper.doi`, `content.type`, `content.year`, `engagement.citations`, `paper.openAccess`, `paper.openAccessUrl`
- Reference: https://onekey.dev/docs/api/openalex/work.md

### openalex.works_search

Search OpenAlex scholarly works.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/openalex/works_search?q=graphene` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `q` (string, required): Search query
- Fields returned: `content.id`, `content.title`, `paper.doi`, `content.type`, `content.year`, `engagement.citations`
- Reference: https://onekey.dev/docs/api/openalex/works_search.md

## Sample request

```bash
curl "https://api.onekey.dev/v1/openalex/author?id=A5023888391" \
  -H "x-api-key: YOUR_API_KEY"
```