# OpenAlex API

> OpenAlex API on Apizie: 5 endpoints (Search works, Work, Search authors, Search institutions, …) returned as clean JSON through one API key. 5 endpoints are live now. Call it over REST at https://apizie.tech/v1/research:openalex/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

- Project key: `research:openalex`
- Category: Research
- Status: live
- Source: https://openalex.org
- Page: https://apizie.tech/api/research/openalex
- OpenAPI: https://apizie.tech/api/research/openalex/openapi.json

An open index of 250M+ scholarly works, authors, institutions and topics.

## Endpoints

### Search works
`GET https://apizie.tech/v1/research:openalex/works`

| Parameter | Type | Required | Description |
|---|---|---|---|
| query | string | yes |  |
| perPage | integer | no | Number of results |
| page | integer | no |  |
| filter | string | no |  |
| sort | string | no |  |

### Work
`GET https://apizie.tech/v1/research:openalex/work`

| Parameter | Type | Required | Description |
|---|---|---|---|
| id | string | yes |  |

### Search authors
`GET https://apizie.tech/v1/research:openalex/authors`

| Parameter | Type | Required | Description |
|---|---|---|---|
| query | string | yes |  |
| perPage | integer | no | Number of results |

### Search institutions
`GET https://apizie.tech/v1/research:openalex/institutions`

| Parameter | Type | Required | Description |
|---|---|---|---|
| query | string | yes |  |
| perPage | integer | no | Number of results |

### Search topics
`GET https://apizie.tech/v1/research:openalex/topics`

| Parameter | Type | Required | Description |
|---|---|---|---|
| query | string | yes |  |
| perPage | integer | no | Number of results |

## Example
```
curl "https://apizie.tech/v1/research:openalex/works" \
  -H "x-api-key: $APIZIE_KEY"
```

## FAQ

### How do I call the OpenAlex API?
Create a free Apizie key, then send GET https://apizie.tech/v1/research:openalex/works with the header x-api-key. Every endpoint returns { project, data, timestamp }.

### Is the OpenAlex API free on Apizie?
Yes. The Free plan includes 1,000 requests a month at 100 requests a minute, no credit card.

### Can AI agents use the OpenAlex API?
Yes. Add the Apizie MCP server (https://apizie.tech/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key research:openalex.

### What is the status of the OpenAlex API?
Live: works with just an Apizie key