ISBN Validator API

ISBN Validator checks ISBN-10 and ISBN-13 numbers for valid checksums and parses their registration group, publisher, and title parts. Pass any raw book identifier with or without hyphens to inspect normalized digits, format type, and specific rejection reasons.

The ISBN Validator API provides a simple, reliable way to integrate isbn validator functionality into your applications. Built for developers who need production-ready isbn validator capabilities without the complexity of building from scratch.

View API Details →

Available on:

async function callISBNValidatorAPI() {
    try {
        const params = new URLSearchParams({
            isbn: '978-0-306-40615-7'
        });

        const response = await fetch(`https://api.apiverve.com/v1/isbnvalidator?${params}`, {
            method: 'GET',
            headers: {
                'x-api-key': 'YOUR_API_KEY_HERE'
            }
        });

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

callISBNValidatorAPI();

curl -X GET "https://api.apiverve.com/v1/isbnvalidator?isbn=978-0-306-40615-7" \
  -H "x-api-key: YOUR_API_KEY_HERE"

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

📁 For more examples, see the examples folder

Choose your preferred programming language:

npm install @apiverve/isbnvalidator

View NPM Package → | Package Code →

dotnet add package APIVerve.API.ISBNValidator

View NuGet Package → | Package Code →

pip install apiverve-isbnvalidator

View PyPI Package → | Package Code →

gem install apiverve_isbnvalidator

View RubyGems Package → | Package Code →

composer require apiverve/isbnvalidator

View Packagist Package → | Package Code →

dart pub add apiverve_isbnvalidator

View pub.dev Package → | Package Code →

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

Package Code →

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

Package Code →

• 🏠 API Home: ISBN Validator API
• 📚 API Reference: docs.apiverve.com/ref/isbnvalidator
• 📖 OpenAPI Spec: openapi.yaml
• 💡 Examples: examples/

The ISBN Validator API is commonly used for:

• Web Applications - Add isbn validator 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 isbn validator 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 ISBN Validator API:

{
  "status": "ok",
  "error": null,
  "data": {
    "valid": true,
    "isbn": "978-0-306-40615-7",
    "type": "ISBN-13",
    "normalized": "9780306406157",
    "formatted": "978-0-306-40615-7",
    "checksum_valid": true,
    "prefix": "978",
    "group": "0",
    "publisher": "306",
    "title": "40615",
    "check_digit": "7",
    "error": null
  }
}

• 🏠 API Home: ISBN Validator 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.

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