# Google Scholar Author Citation Detail

Returns the citation detail page of one article from a Google Scholar author profile: title and publisher link, authors, publication date, journal, volume, issue, pages, publisher, description, total citations with the cited-by link, every citation table field, related articles, all versions, and the annual citation graph.

- **Documentation:** [https://scrappa.co/docs/google-scholar-api/google_scholar_author_citation](https://scrappa.co/docs/google-scholar-api/google_scholar_author_citation)
- **API group:** Google Scholar API
- **Endpoint:** `GET https://scrappa.co/api/google/scholar/author/citation`

## Authentication

Send your Scrappa API key in the `X-API-KEY` request header. Paid endpoints also support accountless x402 payments when called without an API key.

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `user` | string | Yes | Google Scholar author ID that owns the article. |
| `citation_id` | string | Yes | Citation ID in the {author_id}:{article_id} shape, e.g. LSsXyncAAAAJ:2osOgNQ5qMEC. |
| `hl` | string | No | Two-letter interface language, optionally with a region. Defaults to en. |

## Example request

```bash
#!/bin/bash

curl -X GET \
    -H "x-api-key: YOUR_API_KEY_HERE" \
    "https://scrappa.co/api/google/scholar/author/citation?user=LSsXyncAAAAJ&citation_id=LSsXyncAAAAJ%3A2osOgNQ5qMEC&hl=en"
```

## Example response

```json
{
    "success": true,
    "data": {
        "search_parameters": {
            "engine": "google_scholar_author_citation",
            "user": "LSsXyncAAAAJ",
            "citation_id": "LSsXyncAAAAJ:2osOgNQ5qMEC",
            "hl": "en"
        },
        "citation": {
            "title": "Model-based analysis of ChIP-Seq (MACS)",
            "link": "https://link.springer.com/article/10.1186/GB-2008-9-9-R137",
            "total_citations": 21495,
            "cited_by_link": "https://scholar.google.com/scholar?oi=bibs&hl=en&cites=14252090027271643524&as_sdt=5",
            "authors": "Yong Zhang, Tao Liu, Clifford A Meyer, J\u00e9r\u00f4me Eeckhoute, David S Johnson, Bradley E Bernstein, Chad Nusbaum, Richard M Myers, Myles Brown, Wei Li, X Shirley Liu",
            "publication_date": "2008/9/17",
            "journal": "Genome biology",
            "volume": "9",
            "issue": "9",
            "pages": "R137",
            "publisher": "BioMed Central"
        },
        "fields": [
            {
                "field": "Authors",
                "value": "Yong Zhang, Tao Liu, Clifford A Meyer, J\u00e9r\u00f4me Eeckhoute, David S Johnson, Bradley E Bernstein, Chad Nusbaum, Richard M Myers, Myles Brown, Wei Li, X Shirley Liu"
            }
        ],
        "versions": [
            {
                "title": "All 23 versions",
                "link": "https://scholar.google.com/scholar?oi=bibs&hl=en&cluster=14252090027271643524"
            }
        ],
        "related_articles": [
            {
                "title": "Related articles",
                "link": "https://scholar.google.com/scholar?oi=bibs&hl=en&q=related:hOFpdl6YycUJ:scholar.google.com/"
            }
        ],
        "graph": [
            {
                "year": 2010,
                "citations": 136
            }
        ]
    },
    "meta": {
        "duration_ms": 812
    }
}
```

## Errors

| Status | Error | Description |
| --- | --- | --- |
| 422 | Validation Error | One or more citation parameters are invalid. This response is not billable. |
| 422 | Author Not Found | Google Scholar does not know this author ID. This response is not billable. |
| 503 | Unexpected Source Response | Scholar markup could not be normalized safely. This response is not billable. |
| 503 | Scholar Unavailable | The upstream service is temporarily unavailable. Please retry shortly. |

## More Scrappa resources

- [API documentation](https://scrappa.co/docs)
- [Full LLM-readable API reference](https://scrappa.co/llms-full.txt)
- [OpenAPI specification](https://scrappa.co/docs/api.json)
- [Pricing](https://scrappa.co/pricing)
