curl --location --request POST 'https://digitvirtual-dev.digitvant.com/api/v1/checkout/initiate' \
--header 'accept: */*' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
"email": "string",
"phoneNumber": "string",
"firstName": "string",
"lastName": "string",
"amount": 0,
"paymentReference": "string",
"channels": [
"string"
]
}'{}