Link Search Menu Expand Document

QR Code With Redundancy Setting - Python

Barcode Generator sample in Python demonstrating ‘QR Code With Redundancy Setting’
import os
import requests # pip install requests

# The authentication key (API Key).
# Get your own by registering at
API_KEY = "*************************"

# Base URL for Web API requests

# Result file name
ResultFile = ".\\barcode.png"
# Barcode type. See valid barcode types in the documentation
BarcodeType = "QRCode"
# Barcode value
BarcodeValue = "QR123456\n\n"

# Valid error correction levels:
# ----------------------------------
# Low - [default] Lowest error correction level. (Approx. 7% of codewords can be restored).
# Medium - Medium error correction level. (Approx. 15% of codewords can be restored).
# Quarter - Quarter error correction level (Approx. 25% of codewords can be restored).
# High - Highest error correction level (Approx. 30% of codewords can be restored).

# Set "Custom Profiles" parameter
Profiles = "{ \"profiles\": [ { \"profile1\": { \"Options.QRErrorCorrectionLevel\": \"Quarter\" } } ] }"

def main(args = None):

def generateBarcode(destinationFile):
    """Generates Barcode using Web API"""

    # Prepare requests params as JSON
    # See documentation:
    parameters = {}
    parameters["name"] = os.path.basename(destinationFile)
    parameters["type"] = BarcodeType
    parameters["value"] = BarcodeValue
    parameters["profiles"] = Profiles

    # Prepare URL for 'Barcode Generate' API request
    url = "{}/barcode/generate".format(BASE_URL)

    # Execute request and get response as JSON
    response =, data=parameters, headers={ "x-api-key": API_KEY })
    if (response.status_code == 200):
        json = response.json()

        if json["error"] == False:
            #  Get URL of result file
            resultFileUrl = json["url"]            
            # Download result file
            r = requests.get(resultFileUrl, stream=True)
            if (r.status_code == 200):
                with open(destinationFile, 'wb') as file:
                    for chunk in r:
                print(f"Result file saved as \"{destinationFile}\" file.")
                print(f"Request error: {response.status_code} {response.reason}")
            # Show service reported error
        print(f"Request error: {response.status_code} {response.reason}")

if __name__ == '__main__':
    main() Web API: the Web API with a set of tools for documents manipulation, data conversion, data extraction, splitting and merging of documents. Includes image recognition, built-in OCR, barcode generation and barcode decoders to decode bar codes from scans, pictures and pdf.

Get your API key here!

Download Source Code (.zip)

return to the previous page explore Barcode Generator endpoint