API Documentation

Overview Create QR Read QR Security Integration

API Documentation

Overview Create QR Read QR Security Integration

Overview

The QR Code Generator API provides a comprehensive RESTful interface for generating and decoding QR codes programmatically. This API enables seamless integration of QR code functionality into your applications, websites, and services.

Base URL

https://allqrgen.com/api/

Key Features

  • RESTful API design: Standard HTTP methods and JSON responses make integration straightforward across different platforms and programming languages.
  • JSON and image responses: Receive QR codes as PNG images, JPG images, or JSON data for flexible integration into your workflow.
  • Customizable size and colors: Personalize QR codes with custom foreground and background colors to match your brand or design requirements.
  • CORS support for web apps: The API supports Cross-Origin Resource Sharing (CORS) for web applications, allowing frontend JavaScript to make direct API calls from browsers.
  • Input validation & security: All parameters are validated for format, size limits, and security. Invalid inputs return descriptive error messages to help with debugging.

Response Format

All endpoints return JSON responses unless an image format is specified. Error responses include an error field with descriptive messages.

Limits

  • QR size: 50-2000 pixels
  • Data length: max 2953 chars
  • Image upload: max 5MB

What You Can Do

  • Generate QR Codes: Create QR codes from any text, URL, or data with customizable size, colors, and format options. Perfect for URLs, contact information, WiFi credentials, product codes, and more.
  • Decode QR Codes: Upload QR code images and extract the encoded data. Supports multiple image formats and encoding methods.
  • Batch Operations: Generate multiple QR codes efficiently using the same API endpoints with different parameters.
  • Custom Styling: Personalize QR codes with custom foreground and background colors to match your brand or design requirements.
  • Multiple Formats: Receive QR codes as PNG images, JPG images, or JSON data for flexible integration into your workflow.

Use Cases

  • E-commerce: Generate product QR codes for inventory management, tracking, and customer engagement.
  • Marketing: Create QR codes for campaigns, promotions, and social media integration.
  • Event Management: Generate tickets, badges, and access codes for events and conferences.
  • Business Cards: Create vCard QR codes for easy contact information sharing.
  • WiFi Sharing: Generate WiFi QR codes for seamless network access distribution.
  • Document Management: Add QR codes to documents for tracking, verification, and quick access to digital resources.

Advantages

  • RESTful Design: Standard HTTP methods and JSON responses make integration straightforward across different platforms and programming languages.
  • Third-Party Integration: Easily integrate with existing systems, CMS platforms, e-commerce solutions, and custom applications.
  • Batch Generation Support: Generate multiple QR codes efficiently in a single operation, reducing API calls and improving performance.
  • Existing Infrastructure: Built on the same robust infrastructure as the web interface, ensuring reliability and consistency.
  • Security Features: Comprehensive input validation, size limits, and security considerations protect against abuse and ensure data integrity.
  • Rate Limiting: Built-in protection mechanisms help maintain service quality and prevent excessive usage.