Knowledge Base

QR Code Generation via API

How can you create a QR code via API, and which API for QR code generation should you choose? 

If you need to create a QR code via API, the most convenient way is to do it through QR-CMS — the service can be integrated into a website, CRM, app, or internal system. Through the API, you can automatically generate static and dynamic QR codes, manage links, and use scan analytics in real-world workflows. In simple terms, it helps you remove manual generation and build QR code creation directly into your product or process.

Static QR Codes 

Static QR codes work best when the content does not change after publication. Such a code can contain a link, text, contact details, a phone number, Wi‑Fi access, or any other fixed information. Once created, the code works without any additional setup, but if the data changes, you need to issue a new one. That is why static QR codes are usually used where simplicity matters and frequent updates are not expected.

  • Simplicity. A good fit for quick or one-time scenarios where no further code management is required. 
  • No redirect dependency. Users receive the data directly from the QR code, without any intermediate redirect. 
  • Well suited for fixed data. A practical option for business cards, links to permanent pages, Wi‑Fi access, or stable contact information. 
  • Fast launch through API. You can automatically generate large volumes of codes for products, documents, client cards, and other entities. 

The main limitation of a static QR code is that its content cannot be changed after publication. If a link becomes outdated or the target page moves, you need to generate a new code and replace it in printed or digital materials. In addition, advanced analytics are usually not available for static codes at the QR platform level. For that reason, the static format is best used where the information is stable and no active marketing optimization is expected.

Dynamic QR Codes 

Dynamic QR codes are useful when the link or destination page may need to change after publication. This is especially convenient for advertising, promotions, menus, packaging, events, and any scenario where content needs to be updated without replacing the QR code itself. In practice, you place the code once, then change where it leads whenever needed, while also tracking scans and evaluating how the placement performs.

  • Change the destination without reissuing the code. You can update the URL or user flow without changing the QR code itself. 
  • Analytics. Useful for tracking campaign performance and user behavior after scanning
  • Flexible integration. Works well for promotions, digital menus, packaging, outdoor advertising, ticketing, and service scenarios. 
  • Real-time control. Through the API, you can automate code creation, updates, and deactivation based on business rules.

What an API for QR code generation gives you 

An API for QR code generation is valuable not on its own, but as a practical automation tool. If you need to generate QR codes for products, orders, menus, tickets, business cards, or service links, integration lets you do it automatically — triggered by an event, a user action, or an internal rule. This approach works especially well in e-commerce, logistics, HoReCa, marketing, events, and corporate systems.

  • Event-based QR code generation. For example, automatically issuing a code when an order, product, client, coupon, or boarding pass is registered.
  • Static code generation for fixed data. Suitable for product cards, instructions, serial numbers, business cards, and internal information.
  • Dynamic code generation for controlled scenarios. For example, for advertising campaigns, temporary promotions, menus, promo pages, and variable user routes.
  • Updating the destination of a dynamic code. You can change the final link, page, or scenario after the QR code has already been placed offline.
  • Bulk code generation. Useful for catalogs, logistics, events, product lines, and franchise networks. 
  • Access to analytics. Scan data can be used to evaluate the effectiveness of channels, placements, and user scenarios.

Typical Use Cases 

  • Online stores. Static codes can be used for permanent product pages, while dynamic codes are better for promotions, seasonal offers, and promo landing pages.
  • HoReCa. Dynamic QR codes are convenient for menus, where ingredients, prices, or special offers may change without reprinting materials.
  • Events. The API makes it possible to automatically generate QR codes for registration, tickets, invitations, and handout materials.
  • Logistics and manufacturing. Static codes are suitable for labeling, instructions, and technical cards, while dynamic codes are better for trackable user journeys and service redirects.
  • Marketing and outdoor advertising. A dynamic QR code helps test different landing pages and measure response by placement.

How to choose between a static and a dynamic QR code 

The choice here is fairly straightforward. If the information does not change and you do not need analytics, a static QR code is usually enough. But if you need to update the link after publication, review analytics, and manage the user journey more flexibly, the dynamic option is a better fit. In practice, dynamic QR codes are more often used for advertising, menus, promotions, and printed materials because they give you more freedom after launch.

Summary 

QR-CMS is a good fit for companies that need an API for QR code generation without unnecessary manual work. The service lets you create static and dynamic QR codes, update links in dynamic scenarios, and use scan analytics where they genuinely matter. If you need to integrate QR code creation into a website, CRM, app, or internal system, this approach solves the task in a clear and scalable way.