# Europe PMC API

> Europe PMC API on Apizie: 11 endpoints (Annotations By Article, Annotations By Provider, Article, Citations, …) returned as clean JSON through one API key. 11 endpoints are live now. Call it over REST at https://www.apizie.tech/v1/research:europepmc/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

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

Life-science literature, citations, references, cross-links, full text and text-mined annotations from the Europe PMC REST APIs.

## Endpoints

### Annotations By Article
`GET https://www.apizie.tech/v1/research:europepmc/annotations-by-article`

| Parameter | Type | Required | Description |
|---|---|---|---|
| articleIds | string | yes |  |
| type | string | no |  |
| section | string | no |  |
| annotationProvider | string | no |  |

### Annotations By Provider
`GET https://www.apizie.tech/v1/research:europepmc/annotations-by-provider`

| Parameter | Type | Required | Description |
|---|---|---|---|
| annotationProvider | string | yes |  |
| cursor | string | no |  |
| limit | integer | no | Results per page |

### Article
`GET https://www.apizie.tech/v1/research:europepmc/article`

| Parameter | Type | Required | Description |
|---|---|---|---|
| id | string | yes |  |
| source | string | no |  |

### Citations
`GET https://www.apizie.tech/v1/research:europepmc/citations`

| Parameter | Type | Required | Description |
|---|---|---|---|
| id | string | yes |  |
| source | string | no |  |
| page | integer | no | 1-based page number |
| limit | integer | no | Results per page |

### Database Links
`GET https://www.apizie.tech/v1/research:europepmc/database-links`

| Parameter | Type | Required | Description |
|---|---|---|---|
| id | string | yes |  |
| source | string | no |  |
| database | string | no |  |
| page | integer | no | 1-based page number |
| limit | integer | no | Results per page |

### Full Text
`GET https://www.apizie.tech/v1/research:europepmc/full-text`

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

### Labs Links
`GET https://www.apizie.tech/v1/research:europepmc/labs-links`

| Parameter | Type | Required | Description |
|---|---|---|---|
| id | string | yes |  |
| source | string | no |  |

### Profile
`GET https://www.apizie.tech/v1/research:europepmc/profile`

| Parameter | Type | Required | Description |
|---|---|---|---|
| query | string | yes |  |
| synonym | boolean | no |  |

### References
`GET https://www.apizie.tech/v1/research:europepmc/references`

| Parameter | Type | Required | Description |
|---|---|---|---|
| id | string | yes |  |
| source | string | no |  |
| page | integer | no | 1-based page number |
| limit | integer | no | Results per page |

### Search Post
`POST https://www.apizie.tech/v1/research:europepmc/search-post`

| Parameter | Type | Required | Description |
|---|---|---|---|
| query | string | yes |  |
| resultType | string | no |  |
| cursor | string | no | nextCursor from a previous page |
| limit | integer | no | Results per page |
| sort | string | no |  |
| synonym | boolean | no |  |

### Search
`GET https://www.apizie.tech/v1/research:europepmc/search`

| Parameter | Type | Required | Description |
|---|---|---|---|
| query | string | yes |  |
| resultType | string | no |  |
| cursor | string | no | nextCursor from a previous page |
| limit | integer | no | Results per page |
| sort | string | no |  |
| synonym | boolean | no |  |

## Example
```
curl "https://www.apizie.tech/v1/research:europepmc/annotations-by-article" \
  -H "x-api-key: $APIZIE_KEY"
```

## FAQ

### How do I call the Europe PMC API?
Create a free Apizie key, then send GET https://www.apizie.tech/v1/research:europepmc/annotations-by-article with the header x-api-key. Every endpoint returns { project, data, timestamp }.

### Is the Europe PMC 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 Europe PMC API?
Yes. Add the Apizie MCP server (https://www.apizie.tech/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key research:europepmc.

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