curl --location --request POST '/payment-collector/send-payment-reminder' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
"invoices": [1764875, 1764876, 1764877],
"subject": "Overdue payment reminder - TEST",
"message": "Dear {{customer_name}},\n\nYour {{amount}} invoice {{invoice_number}} is overdue by {{days_overdue}}\n\nYou can pay by:\n{{payment link}}\n\nIf you have already paid this invoice or have any questions, let us know!\n\nHave a great day,\nTest"
}'