When we get number by verifying Gmail account creation from any temporary number provider site.
While the cost of numbers provided by each provider varies.
So how can we choose a low cost number?
There is no action in the BAS module to determine the cost of a room, but you can find out the cost yourself through the api of the service you need.
Because this question has already been answered on the forum. There is a high probability that the problem is in curly brackets used as a string in BAS actions