Dear [Integration Team / Technical Support Team / Vendor Name],

I would like to request assistance with integrating Twilio’s SMS service into our current invoice system to automatically send SMS notifications to customers. The purpose and requirements are as follows:

Purpose of Integration: Automatically send SMS notifications to customers in the following scenarios: • When a quotation is issued • When an invoice is approaching its due date • When an invoice becomes overdue

Please let me know if you need any further details or technical documentation. Looking forward to your response and support.