curl --location '/api/transactions' \
--header 'X-LEOGC-Internal-Client-Id;' \
--header 'Idempotency-Key;' \
--header 'Content-Type: application/json' \
--data '{
"productID": "string",
"clientReference": "string",
"amount": 0,
"msisdn": "string",
"accountId": "string"
}'