AI Agents
Overdue Invoice Follow-up Agent
An agent drafts polite, escalating payment reminders for overdue invoices
Beginner10h1–2
LLMGoogle SheetsEmail
17/20#invoices hackathon ideas
5 ideas across 3 categories · 2 beginner · 1 intermediate · 2 advanced. Sorted by judging fit (editorial estimate).
Ideas tagged invoices
Predict which invoices will be paid late so you can act early
Advanced24h2–3PythonScikit-learnFastAPI17/20Fintech
GST Invoice Checker
Check invoices for GST errors before filing
Intermediate12h1–2Vision LLMPythonNext.js17/20Productivity
AI Invoice Generator
Creates clean invoices from plain text in seconds
Beginner12h1–2Next.jsPDF libraryLLM16/20Fintech
Invoice Fraud Flagger
Catches duplicate invoices and changed bank details before payment
Advanced36h2–4PythonOCRLLM16/20