PDF Merge API

PDF Merge combines 2 to 10 PDFs into one file, keeping their order, and returns a download link valid for 2 days. Upload the files or send their URLs. Paid plans add a breakdown of where each source document starts and ends in the merged file.

The PDF Merge API provides a simple, reliable way to integrate pdf merge functionality into your applications. Built for developers who need production-ready pdf merge capabilities without the complexity of building from scratch.

View API Details →

Available on:

async function callPDFMergeAPI() {
    try {
        const requestBody = {
    "urls": [
        "https://raw.githubusercontent.com/mozilla/pdf.js/master/test/pdfs/rotation.pdf",
        "https://raw.githubusercontent.com/mozilla/pdf.js/master/test/pdfs/sizes.pdf"
    ]
};

        const response = await fetch('https://api.apiverve.com/v1/pdfmerge', {
            method: 'POST',
            headers: {
                'x-api-key': 'YOUR_API_KEY_HERE',
                'Content-Type': 'application/json'
            },
            body: JSON.stringify(requestBody)
        });

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

callPDFMergeAPI();

curl -X POST "https://api.apiverve.com/v1/pdfmerge" \
  -H "x-api-key: YOUR_API_KEY_HERE" \
  -F "pdfs=@/path/to/your-file"
# Accepted formats: .pdf (max 25MB)

Get your API key: https://apiverve.com

📁 For more examples, see the examples folder

Choose your preferred programming language:

npm install @apiverve/pdfmerge

View NPM Package → | Package Code →

dotnet add package APIVerve.API.PDFMerge

View NuGet Package → | Package Code →

pip install apiverve-pdfmerge

View PyPI Package → | Package Code →

gem install apiverve_pdfmerge

View RubyGems Package → | Package Code →

composer require apiverve/pdfmerge

View Packagist Package → | Package Code →

dart pub add apiverve_pdfmerge

View pub.dev Package → | Package Code →

implementation 'com.github.apiverve:pdfmerge-api:1.0.0'

Package Code →

go get github.com/apiverve/pdfmerge-api/go

Package Code →

• 🏠 API Home: PDF Merge API
• 📚 API Reference: docs.apiverve.com/ref/pdfmerge
• 📖 OpenAPI Spec: openapi.yaml
• 💡 Examples: examples/

The PDF Merge API is commonly used for:

• Web Applications - Add pdf merge features to your frontend or backend
• Mobile Apps - Native SDKs for Android development
• Automation - Integrate with n8n, Zapier, or custom workflows
• SaaS Products - Enhance your product with pdf merge capabilities
• Data Pipelines - Process and analyze data at scale

All requests require an API key in the header:

x-api-key: YOUR_API_KEY_HERE

Get your API key: https://apiverve.com

Every APIVerve endpoint returns the same envelope — check status, then read data:

{
  "status": "ok",
  "error": null,
  "data": { ... }
}

A real response from the PDF Merge API:

{
  "status": "ok",
  "error": null,
  "data": {
    "pdfName": "a356acc9-c44f-4363-9cda-14ed160d5f5d.pdf",
    "fileCount": 2,
    "pageCount": 5,
    "size": 13539,
    "expires": 1792230036453,
    "downloadURL": "https://storage.googleapis.com/apiverve/APIData/pdfmerge/a356acc9-c44f-4363-9cda-14ed160d5f5d.pdf?GoogleAccessId=635500398038-compute%40developer.gserviceaccount.com&Expires=1792230036&Signature=R5%2B9%2FIKgsCiWQ7ibAS4Z%2B%2FLpYbNYc7hbAQGI%2FUtvmietXWHJxZK9x4%2FYYdLR6OXAVfvasiSNV2S8iie1Hz7xBGlTJMN8db%2BJ2tkE7GTnOXItMqMU8nuB0z6eddkoQmBESG8EOBr3AEG4x7XaEmP47FqUFsWoikKL2yhwZ9VHL%2F5ANZbvYnfbY1WBjVVOY4wQE1T6CDHM6En2Ov%2FzbTUENH7dasoIaJKWCXa7b1hBhc5MLOMB0MUQWRjb3cVoTHkZ1IRKh3InOdUduyORXOJpwLBTfLu6Q7%2FMEASTXd2j1N9F3OSJ7LYpOfiVhSvA%2FIW6CT2srzKniP5KgeX%2BYKTnNQ%3D%3D",
    "sources": [
      {
        "index": 1,
        "name": "rotation.pdf",
        "pageCount": 2,
        "startPage": 1,
        "endPage": 2
      },
      {
        "index": 2,
        "name": "sizes.pdf",
        "pageCount": 3,
        "startPage": 3,
        "endPage": 5
      }
    ]
  }
}

• 🏠 API Home: PDF Merge API
• 💬 Support: https://apiverve.com/contact
• 🐛 Issues: GitHub Issues
• 📖 Documentation: https://docs.apiverve.com
• 🌐 Website: https://apiverve.com

We welcome contributions! Please see CONTRIBUTING.md for guidelines.

For security concerns, please review our Security Policy.

This project is licensed under the MIT License - see the LICENSE file for details.

Built with ❤️ by APIVerve

Copyright © 2026 APIVerve. All rights reserved.