How to generate a QR code barcode as a PNG file in Salesforce Apex

Today’s lesson: generating QR codes in Apex. Sound difficult? Normally yes, but we’ve got a nice shortcut for you today. You won’t believe how easy it is.

First we download the Cloudmersive API client and copy the folder within to our project directory.

So far so easy. Now input your desired string into generateBarcodeQRCode:

SwagGenerateBarcodeApi api = new SwagGenerateBarcodeApi();
SwagClient client = api.getClient();
// Configure API key authorization: Apikey
ApiKeyAuth Apikey = (ApiKeyAuth) client.getAuthentication('Apikey');
Apikey.setApiKey('YOUR API KEY');
Map<String, Object> params = new Map<String, Object>{
'value' => 'value_example'
};
try {
// cross your fingers
Blob result = api.generateBarcodeQRCode(params);
System.debug(result);
} catch (Swagger.ApiException e) {
// ...handle your exceptions
}

That’s it! Here is a sample QR code for the phrase “APIs are the best!” made with this function: