How to Scrape Facebook Posts with JavaScript

Extract post data from Facebook

🌐 Using JavaScript

Overview

Learn how to scrape Facebook posts using JavaScript. This comprehensive guide will walk you through the entire process, from setup to implementation.

What You'll Learn

  • • Setting up your development environment
  • • Installing the required HTTP client
  • • Authenticating with the ScrapeCreators API
  • • Making requests to Facebook
  • • Handling responses and errors
  • • Best practices for production use

What You'll Get

  • • Access to posts data
  • • JSON formatted responses
  • • Real-time data access
  • • Scalable solution
  • • Error handling patterns
  • • Performance optimization tips

Prerequisites

1. API Key

First, you'll need a ScrapeCreators API key to authenticate your requests.

Sign up at app.scrapecreators.com to get your free API key with 100 requests.

2. Development Environment

Make sure you have the following installed:

  • • JavaScript and its dependencies
  • • A code editor (VS Code, Sublime, etc.)
  • • Basic understanding of API requests
  • • Command line interface access

Step 1: Install HTTP Client

Axios is a promise-based HTTP client for Node.js

npm
npm install axios

Step 2: API Implementation

Now let's make a request to the Facebook API using JavaScript. Replace YOUR_API_KEY with your actual API key.

JavaScript
import axios from 'axios';

const API_KEY = 'YOUR_API_KEY';

async function scrape() {
  try {
    const response = await axios.get(`https://api.scrapecreators.com/v1/facebook/post?url=https://www.facebook.com/reel/1535656380759655&get_comments=false&get_transcript=false`, {
      headers: {
        'x-api-key': API_KEY,
        'Content-Type': 'application/json'
      }
    });

    console.log('Response:', response.data);
    return response.data;
  } catch (error) {
    console.error('Error:', error.response?.data || error.message);
  }
}

// Usage
scrape();

Step 3: Testing Your Code

API Parameters

This endpoint accepts the following parameters:

urlRequired(string)

The URL of the post to get

Example: https://www.facebook.com/reel/1535656380759655

get_commentsOptional(boolean)

Whether you want to get the first several comments of the post

Example: false

get_transcriptOptional(boolean)

Whether you want to get the transcript of the post

Example: false

Run Your Code

Execute your script to test the API connection. You should see a JSON response with Facebook posts data.

✅ Success: You should receive a structured JSON response containing the requested data.

Expected Response

Here's an example of the JSON response you'll receive:

Sample Response
{
  "success": true,
  "credits_remaining": 48026,
  "post_id": "25118307061088489",
  "like_count": 2095,
  "comment_count": 48,
  "share_count": 133,
  "view_count": 133000,
  "description": "Air Fryer Chocolate Cake \n\n100% f*cks, super simple and comes out gooey in the middle. 🍆 \n\n👨‍🍳 Ingredients:\n✅ 1 large banana – 100 g (3.5 oz)\n✅ 80 g vanilla YoPro yogurt (2.8 oz / ⅓ cup)\n✅ 15 g Cadbury Bournville cocoa (0.5 oz / 1 tbsp)\n✅ 80 ml egg whites (2.7 fl oz / ⅓ cup)\n✅ 50 g oat flour (1.75 oz / ½ cup)\n✅ 1 tsp vanilla extract (5 ml)\n✅ ½ tsp baking powder (2.5 g)\n👉 Optional: 1 square dark chocolate (10 g / 0.35 oz, ~55 cals)\n\n🔥 Method:\n 1. Mix banana, egg whites, yogurt, cocoa and vanilla until smooth\n 2. Stir in oat flour and baking powder\n 3. Pour into a ramekin or muffin tin\n 4. Add chocolate square to the centre if using\n 5. Air fry at 160°C / 320°F for 20 minutes\n\n📊 Macros (whole recipe):\nWithout choc: 378 cals | 27 g protein | 61.9 g carbs | 6 g fat\nWith choc: 433 cals | 27 g protein | 61.9 g carbs | 11.5 g fat\n\n📊 Macros (per serve — 2 serves):\nWithout choc: 189 cals | 13.5g protein | 31 g carbs | 3 g fat\nWith choc: 217 cals | 13.5 g protein | 31 g carbs | 5.8 g fat\n\nI also added low-calorie Peters ice cream and a small drizzle of Biscoff, but it honestly doesn’t need it. Tastes great on its own!\n\nIf you would like to make changes to this recipe yourself please do, but I like this EXACTLY the way it is. 🤝🫡",
  "feedback_id": "ZmVlZGJhY2s6MjUxMDIxMDY3OTkzNzUxODI=",
  "url": "https://www.facebook.com/reel/1535656380759655",
  "image_url": null,
  "video": {
    "id": "1535656380759655",
    "sd_url": "https://video-fml1-1.xx.fbcdn.net/o1/v/t2/f2/m69/AQPmP0-_mHv5cFqZShaBXjVeIgFmk-_1-6fll0qvoiw3O_StvDRD1FPZafKE0Mri9p94smEKiXpdPjrMnIk2qesQ.mp4?strext=1&_nc_cat=106&_nc_sid=8bf8fe&_nc_ht=video-fml1-1.xx.fbcdn.net&_nc_ohc=l9xG1fq_DpcQ7kNvwHsNBKh&efg=eyJ2ZW5jb2RlX3RhZyI6Inhwdl9wcm9ncmVzc2l2ZS5GQUNFQk9PSy4uQzMuMzYwLnByb2dyZXNzaXZlX2gyNjQtYmFzaWMtZ2VuMl8zNjBwIiwieHB2X2Fzc2V0X2lkIjo4MTEzOTQ4MTQ3NDY5NjAsInZpX3VzZWNhc2VfaWQiOjEwMDk5LCJkdXJhdGlvbl9zIjoyMywidXJsZ2VuX3NvdXJjZSI6Ind3dyJ9&ccb=17-1&_nc_gid=pXV0rbdIO2qXvelwzem88A&_nc_zt=28&oh=00_AfYY-br7Wa1JiPzs7_0vVr6SEV6zDf7qREmd6IV2xBGYMA&oe=68D239F0&bitrate=313736&tag=progressive_h264-basic-gen2_360p",
    "hd_url": "https://video-fml1-1.xx.fbcdn.net/o1/v/t2/f2/m69/AQPvY-B_jtS_HwdB--AaOLTiMpw_euZ4QZoJbbh4iBl-faYyL6mYoumXJPqDF8qAnvZk8_SN5QOUds3tDfP0Bfa0.mp4?strext=1&_nc_cat=109&_nc_sid=8bf8fe&_nc_ht=video-fml1-1.xx.fbcdn.net&_nc_ohc=Z4s5wsMtW5wQ7kNvwFE0mwo&efg=eyJ2ZW5jb2RlX3RhZyI6Inhwdl9wcm9ncmVzc2l2ZS5GQUNFQk9PSy4uQzMuNzIwLnByb2dyZXNzaXZlX2gyNjQtYmFzaWMtZ2VuMl83MjBwIiwieHB2X2Fzc2V0X2lkIjo4MTEzOTQ4MTQ3NDY5NjAsInZpX3VzZWNhc2VfaWQiOjEwMDk5LCJkdXJhdGlvbl9zIjoyMywidXJsZ2VuX3NvdXJjZSI6Ind3dyJ9&ccb=17-1&_nc_gid=pXV0rbdIO2qXvelwzem88A&_nc_zt=28&oh=00_AfZJDoPCKtq3WW2VumFViHPpmIkGGqG34j9MWd9FmGrCVg&oe=68D25899&bitrate=1088662&tag=progressive_h264-basic-gen2_720p",
    "height": 1920,
    "width": 1080,
    "length_in_second": 23.36,
    "thumbnail": "https://scontent-fml1-1.xx.fbcdn.net/v/t51.82787-10/549761436_18521992156021539_7633323777597918486_n.jpg?stp=dst-jpg_s960x960_tt6&_nc_cat=103&ccb=1-7&_nc_sid=282d23&_nc_ohc=1LkTvLqxMhAQ7kNvwF2uUb7&_nc_oc=AdlKRAdNOj6ZDiga-3Zfj5bcwvfc68Lc39nsYJQ0hSPWGsRtUZJZ_sPCk25DrZJ2N98&_nc_zt=23&_nc_ht=scontent-fml1-1.xx&_nc_gid=pXV0rbdIO2qXvelwzem88A&oh=00_AfZy5UXtBdlEMJc6E6uLLiTvR15d344Nn4PO-wNA0cldQQ&oe=68D25528",
    "captions_url": "https://scontent-fml1-1.xx.fbcdn.net/v/t39.2093-6/548496336_1535656704092956_4849526113470105591_n.srt?_nc_cat=105&ccb=1-7&_nc_sid=c211c2&_nc_ohc=IiEVsW2fSK0Q7kNvwEeCqpW&_nc_oc=AdmC4PNaIEGYuNZo_Qk6Qha6U8-ynQip-CKdvOrtQBRqTCrO8nOb6C5kABxPkLO4Vdc&_nc_zt=14&_nc_ht=scontent-fml1-1.xx&_nc_gid=pXV0rbdIO2qXvelwzem88A&oh=00_AfaJjBR2lJhhXTUO5hl0FWPGIlLxjVfuGMmTKUWSEtf6xA&oe=68D23D9F"
  },
  "author": {
    "id": "100000076236457",
    "name": "Matt West",
    "is_verified": true,
    "url": "https://www.facebook.com/matt.west.184",
    "image": "https://scontent-fml1-1.xx.fbcdn.net/v/t39.30808-1/485744182_9938984382780671_4072259528431711152_n.jpg?stp=cp0_dst-jpg_s40x40_tt6&_nc_cat=1&ccb=1-7&_nc_sid=1d2534&_nc_ohc=zu8xeHB9r5gQ7kNvwGWw84m&_nc_oc=AdkZ2Ef1ReB34aXLnnIpd4KHQ95nC0wAYS1GptVwcltvxMBjKXEU_D-mebY8WPwkhGI&_nc_zt=24&_nc_ht=scontent-fml1-1.xx&_nc_gid=pXV0rbdIO2qXvelwzem88A&oh=00_AfbFDYlovggVMiDAQp2_r7Ou-o0RG4T0VPbLMxVTfPlW7g&oe=68D250E6"
  },
  "music": {
    "id": "1506592770696336",
    "type": "CUSTOM_AUDIO",
    "track_title": "Matt West · Original audio",
    "music_album_art": "https://scontent-fml1-1.xx.fbcdn.net/v/t39.30808-1/485744182_9938984382780671_4072259528431711152_n.jpg?stp=cp0_dst-jpg_s64x64_tt6&_nc_cat=1&ccb=1-7&_nc_sid=1d2534&_nc_ohc=zu8xeHB9r5gQ7kNvwGWw84m&_nc_oc=AdkZ2Ef1ReB34aXLnnIpd4KHQ95nC0wAYS1GptVwcltvxMBjKXEU_D-mebY8WPwkhGI&_nc_zt=24&_nc_ht=scontent-fml1-1.xx&_nc_gid=pXV0rbdIO2qXvelwzem88A&oh=00_AfZEGmsJmX51XXJTwXi90sPYazNybtjik0KhIFczr3jqIg&oe=68D250E6"
  }
}

Verify Response Structure

Check that your response includes the expected fields:

  • ✓success(boolean)
  • ✓credits_remaining(number)
  • ✓post_id(string)
  • ✓like_count(number)
  • ✓comment_count(number)
  • ... and 9 more fields

Best Practices

1

Error Handling

Implement comprehensive error handling and retry logic for failed requests. Log errors properly for debugging.

2

Caching

Cache responses when possible to reduce API calls and improve performance. Consider data freshness requirements.

3

Security

Never expose your API key in client-side code. Use environment variables and secure key management practices.

Performance Tips

Batch Requests

When scraping multiple posts, consider batching requests to maximize throughput while staying within rate limits.

Async Processing

Use asynchronous processing in JavaScript to handle multiple requests concurrently and improve overall performance.

Common Use Cases

Market Research

Analyze Facebook posts to understand market trends, competitor analysis, and audience insights.

Content Analytics

Track performance metrics, engagement rates, and content trends across Facebook posts.

Lead Generation

Identify potential customers and business opportunities throughFacebook data analysis.

Troubleshooting

Common Errors

401 Unauthorized

Check your API key is correct and properly formatted in the x-api-key header.

402 Payment Required

You ran out of credits and need to buy more.

404 Not Found

The resource might not exist or be private.

500 Server Error

Temporary server issue. Implement retry logic with exponential backoff.

Frequently Asked Questions

How much does it cost to scrape Facebook posts?

ScrapeCreators offers 100 free API calls to get started. After that, pricing starts at $10 for 5k requests with volume discounts available.

Is it legal to scrape Facebook data?

Scraping publicly available data is fair game, and we only collect public data. So anything that you can see in an incognito browser is what we collect.

How fast can I scrape Facebook posts?

There is no rate limit! So you can scrape as fast as you want!

What data format does the API return?

All API responses are returned in JSON format, making it easy to integrate with any programming language or application.

Can I use this with other JavaScript frameworks?

Yes! This tutorial focuses on core JavaScript HTTP concepts that work with any framework. The API calls remain the same regardless of your specific JavaScript setup.

How do I handle large datasets?

For large datasets, implement pagination, use streaming responses where available, and consider storing data in a database for efficient querying.

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