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CollectFlow is an AI-powered n8n workflow that automates invoice follow-ups. It checks overdue invoices daily, analyzes client email history, selects the right reminder tone, and creates or sends personalized Gmail reminders automatically. It also logs every action, sends daily Slack summaries, and prevents duplicate follow-ups. Perfect for freelancers, agencies, consultants, and small businesses.
Hey Product Hunt! 👋
I'm launching CollectFlow — an AI-powered invoice collection workflow for n8n.
The Problem: Every unpaid invoice is a business financing its own client for free. Manual follow-ups are tedious, inconsistent, and easy to forget.
The Solution: CollectFlow is an n8n workflow that acts like an intelligent collections agent. It:
✅ Checks invoices daily
✅ Reads client history & decides the right tone
✅ Sends personalized reminders automatically
✅ Logs everything (no duplicates, no missed follow-ups)
✅ Posts daily summaries to Slack
What makes it different:
• It's not a "send email every 7 days" bot — it's context-aware
• Ships in Draft mode by default (you review before sending)
• Fully customizable tone & wording
• 15-minute setup, no coding required
I built this because I was manually sending 20+ follow-up emails per week. Now it's automated, and my collection rate improved by 40%.
Happy to answer questions! 🚀
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**Bonus Content for LinkedIn/Twitter:**
LinkedIn Post:
"Every unpaid invoice is a business financing its own client for free. 💰
I built CollectFlow — an AI agent that watches your invoices, decides the right tone for follow-ups, and sends reminders automatically.
Result: 40% faster collections, zero manual work.
Now live on Gumroad 🚀"
Twitter Thread:
"1/ Tired of chasing unpaid invoices? Meet CollectFlow 🤖
An n8n workflow that automates your entire collection process using AI.
2/ The problem: Manual follow-ups are tedious, inconsistent, and eat your time. Every late invoice = you're financing your client.
3/ The solution: CollectFlow acts like an intelligent agent:
• Monitors invoices daily
• Reads client history
• Decides the right tone (gentle → firm → final notice)
• Sends personalized reminders automatically
4/ What's different from other tools:
✅ Context-aware (not just "send email every 7 days")
✅ Audit trail (no missed follow-ups)
✅ Fully customizable
✅ Ships in Draft mode (you review first)
✅ 15-min setup, no coding
5/ Results:
📈 40% faster collections
⏱️ 2 hours/week saved
✅ 0 missed follow-ups
💰 Better cash flow
6/ Now live on Gumroad: [link]
Who else is tired of manual collections? 🙋"
CollectFlow —AI Invoice Collection Agent was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #115 on the daily leaderboard. CollectFlow is an AI-powered n8n workflow that automates invoice follow-ups. It checks overdue invoices daily, analyzes client email history, selects the right reminder tone, and creates or sends personalized Gmail reminders automatically. It also logs every action, sends daily Slack summaries, and prevents duplicate follow-ups. Perfect for freelancers, agencies, consultants, and small businesses.
CollectFlow —AI Invoice Collection Agent was featured in Productivity (658.2k followers), Artificial Intelligence (475.9k followers) and Finance (6.2k followers) on Product Hunt. Together, these topics include over 271.4k products, making this a competitive space to launch in.
Who hunted CollectFlow —AI Invoice Collection Agent?
CollectFlow —AI Invoice Collection Agent was hunted by mahmoud samir. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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mahmoud samir