Oluwakayode Oguntona Creat an API for fetching instructions. Use pooling (periodically ask the server asynchronously using setInterval) to fetch new instructions.
Make sure to save the ID of the last executed instructions to prevent it from rerunning old instructions.
Ohkay for instance, people that sell mobile data online, they don't need to start dialing it for each customer, once the request is being made, it automatically dials a code on your phone and sell it. Lemme give you an example , check www.stardata.com.ng for how the thing looks like
Oluwakayode Oguntona Mobile data? That makes them a service provider. That's a completely different thing.
But if you want to add stuff to someone's subscription/account. You can add it to the account in the database. When the user pulls it down, it will be shown to them.