This is the invoice API

• Quick summary
• Version 1.0.0

POST  external/send/{channel}

Same way we have computed for the other rest APIs billing and b2c
param = value & param2 = value2
... In alphabetical order

PARAMS

                                                phone //phone number
                                                amount // the invoice amount
                                                reference // unique invoice reference - alphanumeric less than 32 chars
                                                vid //vendor id assigned to the merchant
                                                email //email of the recipient to be used in order creation - but we wont send
                                                hash //hash of the payload
                                                currency //either USD or KES
                                                names //names of recipient