post https://europe-west3-kotanipay-test.cloudfunctions.net/api_v2/transactions/deposit/stkpush
This end point places a request to authorize sending of a certain amount to their mobile
money wallet through a specified phone number .
The funds are retrieved from the mobile money wallet and sent to Kotani Pay’s
main wallet which the user can use for different reasons such as converting to
stablecoin and sending it to another via the onchain network.
N/B: Kindly note that all callback urls are required to start with a protocol, i.e 'https'/'http'