
Exactly as Vesa explained, I enter the runner’s phone number into the “info 1” field.
Then, using a simple web request, I fetch the JSON data provided by Webscorer and send a WhatsApp message using a web service called UltraMSG, which costs about $39 USD per month.
Programming knowledge is required, but the same approach can be applied to send messages via WhatsApp, Telegram, SMS, or other services, using any provider offering API access.
The only issue with WhatsApp is that you need to be cautious about potential line cancellations—avoid sending excessive messages or content that could be considered spam.