4. Payment methods
In addition to the above, when choosing a provider for sending list of portugal whatsapp phone numbers mass SMS, it is essential to evaluate the payment methods.
There are two great options : a prepaid bag , with which you will have a set shipping capacity (ideal for limited campaigns); and a monthly payment , which will depend on the needs of each company and which is beneficial the more services are required.
5. Metrics
Another important point when choosing a provider for sending SMS is that the platform provides performance indicators such as delivery rate, bounce rate, opening rate, response times, etc.
By accessing this information, it is possible to make the necessary improvements to obtain the desired results, optimizing both the investment and the time spent on the strategies.
