Categories / Invoicing/Collections/Cash Flow

Slack bot drafts overdue-invoice reminders and recovers $2.5k

Business

Solo founder/small agency using QuickBooks or Wave

Task

Finding overdue unpaid invoices and drafting escalating reminders

Result

Recovered just over $2.5k from invoices the founder had mentally written off (per post title "got $2.5k back")

Tools

• Slack
• QuickBooks/Wave (read-only)
• Gmail
• Claude Code plugin (open-source "PayUp")

Setup

1. Daily query for overdue+unpaid invoices posted to Slack → owner replies "send 1 and 3"/"draft all" → tone escalates gentle/firm/final → sent via Gmail only after approval
2. paid invoices drop off (built over 2 weekends)

Source

reddit.com ↗

Specifics rating

high specifics high = concrete numbers/quotes; med = partial; low = qualitative

Results as reported by the source; not independently verified.