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Google Scholar API 1 credit/request

Google Scholar Author Co-authors

GET https://scrappa.co/api/google/scholar/author/co-authors?user=LSsXyncAAAAJ&hl=en

Returns every co-author listed on a Google Scholar author profile with name, affiliation, verified email domain, and the link to that co-author profile. The author profile endpoint only carries a preview of this list; this endpoint returns the complete one.

Google Scholar Author Co-authors 1 credit/request

Endpoint

Request preview
GET
https://scrappa.co/api/google/scholar/author/co-authors?user=LSsXyncAAAAJ&hl=en
Auth header
x-api-key
Cost
1 credit/request
user = LSsXyncAAAAJ
Response preview
200 OK
{
    "success": true,
    "data": {
        "search_parameters": {
            "engine": "google_scholar_author_co_authors",
            "user": "LSsXyncAAAAJ",
            "hl": "en"
        },
        "co_authors": [
            {
                "name": "Xiaole Shirley Liu",
                "affiliation": "CEO, GV20 Therapeutics",
                "verified_email": "ds.dfci.harvard.edu",
                "link": "https://scholar.google.com/citations?hl=en&user=8XNfVucAAAAJ"
...

Parameters

Start with the required fields, then add optional filters only when your use case needs them.

Runnable path

1 required parameter needed before sending a request.

1 optional filter available.

user string Required

Google Scholar author ID, e.g. LSsXyncAAAAJ.

Example value LSsXyncAAAAJ
hl string Optional

Two-letter interface language, optionally with a region. Defaults to en.

Example value en

Request Examples

PHP
<?php

$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_URL => "https://scrappa.co/api/google/scholar/author/co-authors?user=LSsXyncAAAAJ&hl=en",
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_ENCODING => "",
    CURLOPT_MAXREDIRS => 10,
    CURLOPT_TIMEOUT => 30,
    CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
    CURLOPT_CUSTOMREQUEST => "GET",
    CURLOPT_HTTPHEADER => [
        "x-api-key: YOUR_API_KEY_HERE"
    ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
    echo "cURL Error #:" . $err;
} else {
    echo $response;
}
PHP
<?php

use Illuminate\Support\Facades\Http;

$response = Http::timeout(30)
    ->withHeaders(['x-api-key' => 'YOUR_API_KEY_HERE'])
    ->get('https://scrappa.co/api/google/scholar/author/co-authors?user=LSsXyncAAAAJ&hl=en');

if ($response->successful()) {
    echo $response->body();
} else {
    echo "Error: " . $response->status();
}
JavaScript
const options = {
    method: 'GET',
    headers: {
        'x-api-key': 'YOUR_API_KEY_HERE'
    }
};

fetch('https://scrappa.co/api/google/scholar/author/co-authors?user=LSsXyncAAAAJ&hl=en', options)
    .then(response => {
        if (!response.ok) {
            throw new Error(`HTTP error! status: ${response.status}`);
        }
        return response.text();
    })
    .then(data => console.log(data))
    .catch(error => console.error('Error:', error));
JavaScript
const axios = require('axios');

const options = {
    method: 'GET',
    url: 'https://scrappa.co/api/google/scholar/author/co-authors?user=LSsXyncAAAAJ&hl=en',
    headers: {
        x-api-key: 'YOUR_API_KEY_HERE',
    }
};

try {
    const response = await axios(options);
    console.log(response.data);
} catch (error) {
    console.error('Error:', error.message);
}
Ruby
require 'net/http'
require 'uri'

uri = URI.parse("https://scrappa.co/api/google/scholar/author/co-authors?user=LSsXyncAAAAJ&hl=en")
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == 'https'

request = Net::HTTP::Get.new(uri.request_uri)
request['x-api-key'] = 'YOUR_API_KEY_HERE'

begin
    response = http.request(request)
    puts response.body
rescue => e
    puts "Error: #{e.message}"
end
Python
import http.client
import json

conn = http.client.HTTPSConnection("scrappa.co")

headers = {
    'x-api-key': 'YOUR_API_KEY_HERE',
}

try:
    conn.request("GET", "/api/google/scholar/author/co-authors?user=LSsXyncAAAAJ&hl=en", headers=headers)
    res = conn.getresponse()
    data = res.read()
    print(data.decode("utf-8"))
except Exception as e:
    print(f"Error: {e}")
finally:
    conn.close()
Python
import requests

headers = {
    'x-api-key': 'YOUR_API_KEY_HERE',
}

try:
    response = requests.get('https://scrappa.co/api/google/scholar/author/co-authors?user=LSsXyncAAAAJ&hl=en', headers=headers)
    response.raise_for_status()
    print(response.text)
except requests.exceptions.RequestException as e:
    print(f"Error: {e}")
Java
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import java.io.IOException;

public class ApiExample {
    public static void main(String[] args) {
        OkHttpClient client = new OkHttpClient();

        Request request = new Request.Builder()
            .url("https://scrappa.co/api/google/scholar/author/co-authors?user=LSsXyncAAAAJ&hl=en")
        .addHeader("x-api-key", "YOUR_API_KEY_HERE")
            .build();

        try (Response response = client.newCall(request).execute()) {
            if (response.isSuccessful()) {
                System.out.println(response.body().string());
            } else {
                System.out.println("Error: " + response.code());
            }
        } catch (IOException e) {
            System.out.println("Error: " + e.getMessage());
        }
    }
}
Go
package main

import (
    "fmt"
    "net/http"
    "io/ioutil"
)

func main() {
    client := &http.Client{}
    req, err := http.NewRequest("GET", "https://scrappa.co/api/google/scholar/author/co-authors?user=LSsXyncAAAAJ&hl=en", nil)
    if err != nil {
        fmt.Println("Error creating request:", err)
        return
    }
    req.Header.Set("x-api-key", "YOUR_API_KEY_HERE")

    resp, err := client.Do(req)
    if err != nil {
        fmt.Println("Error making request:", err)
        return
    }
    defer resp.Body.Close()

    body, err := ioutil.ReadAll(resp.Body)
    if err != nil {
        fmt.Println("Error reading response:", err)
        return
    }

    fmt.Println(string(body))
}
Terminal
#!/bin/bash

curl -X GET \
    -H "x-api-key: YOUR_API_KEY_HERE" \
    "https://scrappa.co/api/google/scholar/author/co-authors?user=LSsXyncAAAAJ&hl=en"
C#
using System;
using System.Net.Http;
using System.Threading.Tasks;

class Program
{
    static async Task Main()
    {
        using var client = new HttpClient();
        client.DefaultRequestHeaders.Add("x-api-key", "YOUR_API_KEY_HERE");

        try
        {
            var response = await client.SendAsync(new HttpRequestMessage(HttpMethod.Get, "https://scrappa.co/api/google/scholar/author/co-authors?user=LSsXyncAAAAJ&hl=en"));
            var content = await response.Content.ReadAsStringAsync();
            Console.WriteLine(content);
        }
        catch (Exception ex)
        {
            Console.WriteLine($"Error: {ex.Message}");
        }
    }
}
TypeScript
import axios from 'axios';

async function run(): Promise<void> {
    try {
        const response = await axios({
            method: 'GET',
            url: 'https://scrappa.co/api/google/scholar/author/co-authors?user=LSsXyncAAAAJ&hl=en',
            headers: {
        'x-api-key': 'YOUR_API_KEY_HERE',
            },
        });

        console.log(response.data);
    } catch (error) {
        console.error('Error:', error);
    }
}

void run();
RUST
use reqwest::Client;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = Client::new();

    let response = client
        .get("https://scrappa.co/api/google/scholar/author/co-authors?user=LSsXyncAAAAJ&hl=en")
        .header("x-api-key", "YOUR_API_KEY_HERE")
        .send()
        .await?;

    println!("{}", response.text().await?);

    Ok(())
}

Response Schema

Example response fields are illustrative; inspect the JSON before integrating.

Example response fields

Scan these fields before integrating.

success data meta
JSON Response
200 OK
{
    "success": true,
    "data": {
        "search_parameters": {
            "engine": "google_scholar_author_co_authors",
            "user": "LSsXyncAAAAJ",
            "hl": "en"
        },
        "co_authors": [
            {
                "name": "Xiaole Shirley Liu",
                "affiliation": "CEO, GV20 Therapeutics",
                "verified_email": "ds.dfci.harvard.edu",
                "link": "https://scholar.google.com/citations?hl=en&user=8XNfVucAAAAJ"
            }
        ]
    },
    "meta": {
        "duration_ms": 703
    }
}

Errors

Handle these documented responses before retrying or showing customer-facing failures.

Validation Error

One or more co-author parameters are invalid. This response is not billable.

Author Not Found

Google Scholar does not know this author ID. This response is not billable.

Unexpected Source Response

Scholar markup could not be normalized safely. This response is not billable.

Scholar Unavailable

The upstream service is temporarily unavailable. Please retry shortly.

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