curl --location --request GET 'https://api.sandbox.neofin.services/billing/updated_at?next_page_token=&start_datetime=2025-01-01T00:00:00Z&end_datetime=2025-01-02T00:00:00Z' \
--header 'api-key: ' \
--header 'secret-key: '{
"billings": [
{
"amount": 0,
"billing_number": "string",
"billing_url": "string",
"created_by_name": "string",
"customer_document": "string",
"customer_mail": "string",
"customer_id": "string",
"customer_name": "string",
"description": "string",
"digest": "string",
"integration_identifier": "string",
"nfe_number": "string",
"status": "processing",
"updated_at": 0,
"type": "string",
"origin": "string",
"discount_before_payment_due_date": 0,
"due_date": 0,
"payments": [
{
"installment": "string",
"payment_number": "string",
"payment_status": "string",
"paid_at": 0,
"paid_net_amount": 0,
"paid_amount": 0
}
],
"installments": 0,
"issued_at": 0
}
]
}