Send overdue invoice letters on a schedule
Keep collections moving with a calm, repeatable daily process.
Trigger
Recurring schedule
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Action
Send Letter
Tool to send a letter via u.s. mail with specified recipient, sender, and pdf. use after confirming recipient and document details. example: send letter(to name='john doe', to address='123 main st, ...', file url='https://...')
Why this helps
Overdue invoices accumulate when follow-up depends on remembering another report.
- Creates a dependable collections rhythm
- Reduces memory load
- Keeps follow-up wording consistent
Setup
Build it in a few focused steps.
- 1Connect Docupost and provide Notis access to the overdue invoice feed.
- 2Create an automation named Daily overdue invoice letters.
- 3Tell Notis to review the feed, skip accounts already contacted, and prepare or send letters using approved terms.
- 4Pick a recurring Notis schedule.
- 5Choose a report channel and test with one overdue invoice example.
Questions about this workflow
Where does the invoice data come from?
Provide it in the scheduled prompt or connect a source that supplies the current overdue records.
Can I review the batch first?
Yes. Ask Notis to report the proposed letters before sending.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Timelinesai to Docupost. A trigger fires from one place; an action lands in another.
Timelinesai triggers
Docupost actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Send Letter
Tool to send a letter via u.s. mail with specified recipient, sender, and pdf. use after confirming recipient and document details. example: send letter(to name='john doe', to address='123 main st, ...', file url='https://...')
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Send Postcard
Tool to send a postcard via u.s. mail with specified recipient, sender, and front/back images. use after confirming recipient addresses and design urls. example: send postcard(to name='john doe', ..., front image='https://...', back image='https://...')
New WhatsApp Message Received
Polling trigger that monitors for new messages received in TimelinesAI WhatsApp chats.
Connect any two apps with Notis in the middle.
Timelinesai and Docupost, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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