There is no limit to the number of people you can send airtime to but there is a limit to how much airtime you can send depending on the country you wish to send to.
It is priced differently across the different countries as seen in the table below:
On Mteja, you will be charged a 2% facilitation fee when sending airtime regardless of the recipient's country and amount.
Email us at support@mteja.io in case you have any queries regarding the service.