The QR Code API enables users to generate customized QR codes with any data and error correction level they require. It provides a convenient way to create dynamic QR codes for various applications.

The API accepts a JSON object as input. The specific structure and parameters of the payload can be found in the documentation of the individual endpoints.

The API returns an SVG image as output. This image contains the generated QR code based on the provided data and specifications.

The API is commonly used for creating dynamic QR codes on demand. It is particularly useful for generating QR codes for contract or invoice links, personalized promotions targeted to specific users, or even for printing serial numbers on products.

QR codes have limitations on the amount of data they can store. The API automatically attempts to encode the data in the most efficient way possible. The maximum limits for different data types are as follows: Numeric only: 7089 digits Alphanumeric: 4296 characters Binary: 2953 bytes

The Generate QR Code endpoint accepts a JSON object containing a "data" field, which can be a string or byte array, and an optional "ec_level" field to specify the error correction level.

The response data consists of an SVG image representing the generated QR code. The SVG format includes attributes like width, height, and path data for rendering the QR code visually.

Users can customize their requests by specifying the "data" to encode and optionally selecting an "ec_level" for error correction, allowing for tailored QR code generation based on their needs.

The accepted values for the "ec_level" parameter are "L" (7% recovery), "M" (15% recovery), "Q" (25% recovery), and "H" (30% recovery), allowing users to choose the desired level of error resilience.

The SVG output is structured with a root `<svg>` element containing nested `<rect>` and `<path>` elements that define the QR code's visual representation, including its size and color.

The QR code can encode various types of information, including URLs, text, contact details, and other data formats, making it versatile for different applications.

Users can directly embed the SVG data in web pages or applications, or save it as an SVG file for printing or sharing, ensuring high-quality rendering without pixelation.

Typical use cases include generating QR codes for marketing campaigns, product labeling, event ticketing, and linking to digital content, enhancing user engagement and accessibility.

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