API

An API (Application Programming Interface) defines rules and interfaces for software-to-software data exchange. Web APIs use HTTP to send and receive data over the internet. In the QR code context, APIs enable bulk code generation, dynamic QR management, and scan data retrieval.

QR code generation APIs automate code creation programmatically. For example, an EC site can auto-generate a QR code containing the order number for each confirmed order and attach it to the confirmation email. Sites processing thousands of daily orders cannot manually create QR codes - API automation is essential.

Most dynamic QR management services offer REST APIs for creating codes, changing redirect destinations, and retrieving scan statistics. Integrating with CRM or inventory systems via API enables dynamic QR link control based on customer or inventory data. API access typically requires token authentication and is subject to rate limits.