curl --location --request GET 'https://api.cash-in.com/v2/externalagreementidentifiers?customerCode' \
--header 'X-Api-Key: <api-key>'[
{
"CustomerCode": 0,
"ExternalCreditorId": "string",
"ExternalProspectId": 0,
"ExternalProspectCreated": "2019-08-24T14:15:22.123Z",
"AgreementContractStatus": 0,
"AgreementContractDate": "string",
"AgreementContractMessage": "string"
}
]