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Google Scholar API 1 credit/request

Google Scholar Cite Formats

GET https://scrappa.co/api/google/scholar/cite?q=FDc6HiktlqEJ&hl=en

Returns the citation styles of one Google Scholar result (MLA, APA, Chicago, Harvard, Vancouver in the order Scholar lists them) plus the BibTeX, EndNote, RefMan and RefWorks export links. Export links are returned as-is and are short-lived, so fetch them again when they expire.

Google Scholar Cite Formats 1 credit/request

Endpoint

Request preview
GET
https://scrappa.co/api/google/scholar/cite?q=FDc6HiktlqEJ&hl=en
Auth header
x-api-key
Cost
1 credit/request
q = FDc6HiktlqEJ
Response preview
200 OK
{
    "success": true,
    "data": {
        "search_parameters": {
            "engine": "google_scholar_cite",
            "result_id": "FDc6HiktlqEJ",
            "hl": "en"
        },
        "citations": [
            {
                "style": "MLA",
                "citation": "Schwertmann, U. T. R. M., and Reginald M. Taylor. \"Iron oxides.\" Minerals in soil environments 1 (1989): 379-438."
            },
            {
...

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.

q string Required

Bare Google Scholar result ID, e.g. the FDc6HiktlqEJ in /scholar?q=info:FDc6HiktlqEJ:scholar.google.com/.

Example value FDc6HiktlqEJ
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/cite?q=FDc6HiktlqEJ&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/cite?q=FDc6HiktlqEJ&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/cite?q=FDc6HiktlqEJ&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/cite?q=FDc6HiktlqEJ&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/cite?q=FDc6HiktlqEJ&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/cite?q=FDc6HiktlqEJ&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/cite?q=FDc6HiktlqEJ&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/cite?q=FDc6HiktlqEJ&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/cite?q=FDc6HiktlqEJ&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/cite?q=FDc6HiktlqEJ&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/cite?q=FDc6HiktlqEJ&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/cite?q=FDc6HiktlqEJ&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/cite?q=FDc6HiktlqEJ&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_cite",
            "result_id": "FDc6HiktlqEJ",
            "hl": "en"
        },
        "citations": [
            {
                "style": "MLA",
                "citation": "Schwertmann, U. T. R. M., and Reginald M. Taylor. \"Iron oxides.\" Minerals in soil environments 1 (1989): 379-438."
            },
            {
                "style": "APA",
                "citation": "Schwertmann, U. T. R. M., & Taylor, R. M. (1989). Iron oxides. Minerals in soil environments, 1, 379-438."
            }
        ],
        "links": [
            {
                "name": "BibTeX",
                "link": "https://scholar.googleusercontent.com/scholar.bib?q=info:FDc6HiktlqEJ:scholar.google.com/&output=citation&ct=citation&cd=-1&hl=en"
            },
            {
                "name": "EndNote",
                "link": "https://scholar.googleusercontent.com/scholar.enw?q=info:FDc6HiktlqEJ:scholar.google.com/&output=citation&ct=citation&cd=-1&hl=en"
            },
            {
                "name": "RefMan",
                "link": "https://scholar.googleusercontent.com/scholar.ris?q=info:FDc6HiktlqEJ:scholar.google.com/&output=citation&ct=citation&cd=-1&hl=en"
            },
            {
                "name": "RefWorks",
                "link": "https://scholar.googleusercontent.com/scholar.rfw?q=info:FDc6HiktlqEJ:scholar.google.com/&output=citation&ct=citation&cd=-1&hl=en"
            }
        ]
    },
    "meta": {
        "duration_ms": 664
    }
}

Errors

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

Validation Error

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

Cite Not Found

Google Scholar does not know this result 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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