Below is a list of the minimum amount of airtime that can be loaded to a number:
Uganda - UGX 50
Tanzania - TZS 1000
Kenya - KES 10
Nigeria -NGN 50
The below is the maximum amount of airtime that can be loaded per number
Uganda - UGX 200000
Tanzania - TZS 200000
Kenya - KES 10000
Nigeria -NGN 5000
More market limits are indicated under our Docs -> Airtime -> Sending -> Request Limits
Note that, the API limits the number of airtime recipients you can send in one request. For now, it only accepts up to 1000 recipients in a single request.
For any further information please send an email to airtime@africastalking.com