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Google Scholar Search

Returns normalized Google Scholar organic results, publication authors and resources, cited-by/version/related links, citations per year when Google provides them, and offset pagination. This search MVP does not include author profile or cite-format endpoints.

Run this endpoint

Google Scholar Search 1 credit/request

Endpoint

GET https://scrappa.co/api/google/scholar?q=machine+learning&hl=en&num=10&as_ylo=2020
Request preview GET
https://scrappa.co/api/google/scholar?q=machine+learning&hl=en&num=10&as_ylo=2020
Auth header x-api-key
Cost 1 credit/request
Response preview 200 OK
{
    "success": true,
    "data": {
        "search_parameters": {
            "engine": "google_scholar",
            "q": "machine learning",
            "hl": "en",
            "start": 0,
            "num": 10,
            "scisbd": 0
        },
        "search_information": {
            "query_displayed": "machine learning",
            "total_results": 4320000
...

Parameters

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

Runnable path

This endpoint has no required query parameters.

9 optional filters available.

q string Optional

Scholar search query. Optional when cites or cluster is supplied.

Example value machine learning
hl string Optional

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

Example value en
start integer Optional

Zero-based result offset from 0 to 990. Defaults to 0.

Example value 0
num integer Optional

Results per request from 1 to 20. Defaults to 10.

Example value 10
as_ylo integer Optional

Earliest publication year to include.

Example value 2020
as_yhi integer Optional

Latest publication year to include.

Example value 10
scisbd integer Optional

0 for relevance, 1 for recent abstracts, or 2 for all recent additions.

Example value 10
cites string Optional

Numeric publication ID for a cited-by search. May be combined with q.

Example value example
cluster string Optional

Numeric publication ID for an all-versions search. Must be used alone.

Example value example

Request Examples

<?php

$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_URL => "https://scrappa.co/api/google/scholar?q=machine+learning&hl=en&num=10&as_ylo=2020",
    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

use Illuminate\Support\Facades\Http;

$response = Http::timeout(30)
    ->withHeaders(['x-api-key' => 'YOUR_API_KEY_HERE'])
    ->get('https://scrappa.co/api/google/scholar?q=machine+learning&hl=en&num=10&as_ylo=2020');

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

fetch('https://scrappa.co/api/google/scholar?q=machine+learning&hl=en&num=10&as_ylo=2020', 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));
const axios = require('axios');

const options = {
    method: 'GET',
    url: 'https://scrappa.co/api/google/scholar?q=machine+learning&hl=en&num=10&as_ylo=2020',
    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);
}
require 'net/http'
require 'uri'

uri = URI.parse("https://scrappa.co/api/google/scholar?q=machine+learning&hl=en&num=10&as_ylo=2020")
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
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?q=machine+learning&hl=en&num=10&as_ylo=2020", headers=headers)
    res = conn.getresponse()
    data = res.read()
    print(data.decode("utf-8"))
except Exception as e:
    print(f"Error: {e}")
finally:
    conn.close()
import requests

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

try:
    response = requests.get('https://scrappa.co/api/google/scholar?q=machine+learning&hl=en&num=10&as_ylo=2020', headers=headers)
    response.raise_for_status()
    print(response.text)
except requests.exceptions.RequestException as e:
    print(f"Error: {e}")
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?q=machine+learning&hl=en&num=10&as_ylo=2020")
        .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());
        }
    }
}
package main

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

func main() {
    client := &http.Client{}
    req, err := http.NewRequest("GET", "https://scrappa.co/api/google/scholar?q=machine+learning&hl=en&num=10&as_ylo=2020", 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))
}
#!/bin/bash

curl -X GET \
    -H "x-api-key: YOUR_API_KEY_HERE" \
    "https://scrappa.co/api/google/scholar?q=machine+learning&hl=en&num=10&as_ylo=2020"
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?q=machine+learning&hl=en&num=10&as_ylo=2020"));
            var content = await response.Content.ReadAsStringAsync();
            Console.WriteLine(content);
        }
        catch (Exception ex)
        {
            Console.WriteLine($"Error: {ex.Message}");
        }
    }
}
import axios from 'axios';

async function run(): Promise<void> {
    try {
        const response = await axios({
            method: 'GET',
            url: 'https://scrappa.co/api/google/scholar?q=machine+learning&hl=en&num=10&as_ylo=2020',
            headers: {
        'x-api-key': 'YOUR_API_KEY_HERE',
            },
        });

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

void run();
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?q=machine+learning&hl=en&num=10&as_ylo=2020")
        .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",
            "q": "machine learning",
            "hl": "en",
            "start": 0,
            "num": 10,
            "scisbd": 0
        },
        "search_information": {
            "query_displayed": "machine learning",
            "total_results": 4320000
        },
        "organic_results": [
            {
                "position": 1,
                "title": "Machine learning",
                "result_id": "EQ8shYj8Ai8J",
                "link": "https://books.google.com/books?id=example",
                "snippet": "A scholarly publication about machine learning\u2026",
                "publication_info": {
                    "summary": "ZH Zhou - 2021 - books.google.com",
                    "authors": [
                        {
                            "name": "ZH Zhou",
                            "author_id": "rSVIHasAAAAJ"
                        }
                    ]
                },
                "resources": [
                    {
                        "title": "example.edu",
                        "file_format": "PDF",
                        "link": "https://example.edu/paper.pdf"
                    }
                ],
                "inline_links": {
                    "cited_by": {
                        "total": 3894,
                        "cites_id": "3387547533016043281"
                    },
                    "versions": {
                        "total": 7,
                        "cluster_id": "3387547533016043281"
                    }
                }
            }
        ],
        "citations_per_year": [],
        "pagination": {
            "current": 1,
            "start": 0,
            "num": 10,
            "next_start": 10,
            "has_next": true
        }
    },
    "meta": {
        "duration_ms": 842
    }
}

Errors

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

Validation Error

One or more Scholar search parameters are invalid. This response is not billable.

Unexpected Source Response

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

Scholar Unavailable

The approved proxy path was unavailable or Scholar blocked the request. This response is not billable.

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Try It Live

Test this endpoint in our interactive playground with real data.