curl --location --request POST 'https://api.openpay.dk/v1/accounts/1234/members' \
--header 'Content-Type: application/json' \
--data-raw '{
"phone": "+4522334455"
}'
{
"id": "2345",
"name": "Alex",
"balance": "0.00",
"phone": "+4522334455"
}