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npm API 1 credit/request

npm Search

GET https://scrappa.co/api/npm/search?q=express&size=20

Searches the npm registry. Each result carries name, version, description, keywords, publish date, links, publisher, maintainers, the final, quality, popularity and maintenance scores, the search score, flags, weekly and monthly downloads and dependents count. total and has_more are exact. Costs 1 credit per successful request.

npm Search 1 credit/request

Endpoint

Request preview
GET
https://scrappa.co/api/npm/search?q=express&size=20
Auth header
x-api-key
Cost
1 credit/request
q = express
Response preview
200 OK
{
    "success": true,
    "data": {
        "search_parameters": {
            "q": "express"
        },
        "total": 77711,
        "page": 1,
        "size": 2,
        "has_more": true,
        "results": [
            {
                "name": "express",
                "version": "5.3.0",
...

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.

2 optional filters available.

q string Required

Search text. Supports qualifiers such as keywords:react or author:sindresorhus.

Example value express
size integer Optional

Results per page, 1-250. Defaults to 20.

Example value 20
page integer Optional

1-based page. Defaults to 1.

Example value 1

Request Examples

PHP
<?php

$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_URL => "https://scrappa.co/api/npm/search?q=express&size=20",
    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/npm/search?q=express&size=20');

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/npm/search?q=express&size=20', 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/npm/search?q=express&size=20',
    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/npm/search?q=express&size=20")
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/npm/search?q=express&size=20", 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/npm/search?q=express&size=20', 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/npm/search?q=express&size=20")
        .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/npm/search?q=express&size=20", 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/npm/search?q=express&size=20"
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/npm/search?q=express&size=20"));
            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/npm/search?q=express&size=20',
            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/npm/search?q=express&size=20")
        .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": {
            "q": "express"
        },
        "total": 77711,
        "page": 1,
        "size": 2,
        "has_more": true,
        "results": [
            {
                "name": "express",
                "version": "5.3.0",
                "description": "Fast, unopinionated, minimalist web framework",
                "keywords": [
                    "express"
                ],
                "published_at": "2026-10-09T12:56:54.505Z",
                "links": {
                    "homepage": "https://expressjs.com/",
                    "repository": "git+https://github.com/expressjs/express.git",
                    "bugs": "https://github.com/expressjs/express/issues",
                    "npm": "https://www.npmjs.com/package/express"
                },
                "publisher": {
                    "email": "npm-oidc-no-reply@github.com",
                    "approver": {
                        "name": "ulisesgascon",
                        "email": "ulisesgascondev@gmail.com"
                    },
                    "trustedPublisher": {
                        "oidcConfigId": "99dba195-afaa-4d25-9fac-f714da8caf90",
                        "id": "github"
                    },
                    "username": "GitHub Actions"
                },
                "maintainers": [
                    {
                        "email": "wes@wesleytodd.com",
                        "username": "wesleytodd"
                    }
                ],
                "score": {
                    "final": 2386.2888,
                    "quality": 1,
                    "popularity": 1,
                    "maintenance": 1
                },
                "search_score": 2386.2888,
                "flags": {
                    "insecure": 0
                },
                "downloads": {
                    "weekly": 194304902,
                    "monthly": 571038333
                },
                "dependents": 108836,
                "updated_at": "2026-11-03T18:53:23.729Z"
            }
        ]
    },
    "meta": {
        "endpoint_family": "search",
        "billable": true
    }
}

Errors

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

503

Upstream Unavailable

The source could not be fetched after the attempt budget. Never charged. Safe to retry.

{
    "success": false,
    "error": {
        "code": "UPSTREAM_UNAVAILABLE",
        "message": "The source is temporarily unavailable."
    },
    "meta": {
        "billable": false,
        "retryable": true
    }
}
500

Parser Drift

The source returned a shape this parser does not recognise. The incident is reported. Never charged.

{
    "success": false,
    "error": {
        "code": "PARSER_DRIFT",
        "message": "The source response shape changed unexpectedly. The incident has been reported."
    },
    "meta": {
        "billable": false,
        "retryable": false
    }
}
422

Invalid Parameter

A value in this request is invalid or the requested page is out of range. Never charged.

{
    "success": false,
    "error": {
        "code": "INVALID_PARAMETER",
        "message": "A value in this request is invalid. Check the parameters before retrying."
    },
    "meta": {
        "billable": false,
        "retryable": false
    }
}

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