curl -X GET "https://api.onekhusa.com/sandbox/v1/security/apiKeys/generate?merchantAccountNumber=35253486" \
  --header "Authorization: Bearer your-jwt-token" \
  --header "accept: application/json" \
  --header "X-Organisation-Id: FYH0NTVW0DXK" \
  --header "X-Merchant-Account-Number: 35253486" \
  --header "Accept-Language: en"

{
  "key": "abcdefghijklmnopqrstuvwxyz1234",
  "secret": "ABCDEFGHIJKLMNOPQRSTUVWXYZ123456789012345"
}