---
title: "Author expertise analysis with cross-source tracking"
description: "Track author contributions across multiple sources with category and sentiment filtering"
source: https://apitube.io/cookbook/author-expertise-analysis-with-cross-source-tracking
---

#### Input parameters

| Parameter            | Description                                    | Type    | Default | Required |
|:---------------------|:-----------------------------------------------|:--------|:--------|:---------|
| author.name          | Author name to track.                           | string  |         | Yes      |
| category.id          | Category filter.                               | string  |         | Yes      |
| sort.by              | Sort by publication date.                       | string  |         | Yes      |
| sort.order           | Descending order.                               | string  |         | Yes      |
| per_page             | Maximum number of articles to retrieve.       | integer | 10      | Yes      |
| source.rank.opr.min  | Minimum source quality.                         | string  |         | Yes      |
| api_key              | Your API key.                                  | string  |         | Yes      |

#### Workflow examples

##### Request for author expertise analysis:

```shell
curl -X GET "https://api.apitube.io/v1/news/everything?author.name=Ezra%20Klein&category.id=medtop:11000000&sort.by=published_at&sort.order=desc&per_page=10&api_key=YOUR_API_KEY"
```

##### Request for author sentiment bias analysis:

```shell
curl -X GET "https://api.apitube.io/v1/news/everything?author.name=George%20Stephanopoulos,Sean%20Hannity&organization.name=Biden%20Administration&published_at.start=2023-01-01&sort.by=sentiment.overall.score&api_key=YOUR_API_KEY"
```

##### Request for author topic evolution tracking:

```shell
curl -X GET "https://api.apitube.io/v1/news/everything?author.name=Yuval%20Noah%20Harari&published_at.start=2018-01-01&published_at.end=2023-12-31&sort.by=published_at&sort.order=asc&per_page=100&api_key=YOUR_API_KEY"
```

---

#### Related Examples

- [Get news by specific author](/cookbook/get-news-by-author)
- [Cross-reference person with organizations](/cookbook/cross-reference-person-with-organizations-and-locations)
- [Get recent articles from top tech blogs](/cookbook/get-recent-articles-from-top-tech-blogs)
- [Get premium source articles](/cookbook/get-articles-from-premium-sources)
- [Get news from specific publications](/cookbook/recent-articles-from-nyt)