Send SMS
POST
https://sms.send-2.com/v1/message
Bearer authentication of the form Bearer <token>, where token is your auth token.
This endpoint expects a JSON payload / object.
MPESA hashed phone (e.g. 8556a495c390f3ba95d2bdf6d06436f2fd09f516531f0a7cd9591c60812fa46d) or standard international format (e.g. +254722000000)