Send OTP message

curl --request POST \
  --url https://modawer.com/api/messages/send-otp \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <x-api-key>' \
  --data '
{
  "recipient": "<string>",
  "otp": "<string>",
  "channels": [
    "WhatsApp"
  ]
}
'

{
  "queued": true
}