Skip to content
Fintech

Expense Policy Checker

Checks receipts against company policy before submission.

Intermediate24h1–3 people15/20 fit
TL;DR

Build Expense Policy Checker for finance teams and employees filing expenses in ~24h with 1–3 people. Stack: Next.js + RAG + OCR + LLM.

Why it wins: Clear ROI for companies with a quick demo.

Build flow

01 · Problem
Expense reports bounce back and forth because of small policy violations.
02 · Solution
Upload the policy and receipts. Each receipt gets pass/fail with the exact policy line.
03 · Build
  1. 1Chunk + embed policy
  2. 2Extract receipt fields
  3. 3Check with retrieved rules
  4. 4Report UI
04 · Demo
Upload 5 receipts → 1 flagged “dinner over limit” with the cited policy section.

MVP checklist

  • Policy upload
  • Receipt extraction
  • Pass/fail per receipt
  • Cited policy line

Tech stack

TechRole
Next.jsFrontend + API routes
RAGRetrieval over your docs
OCRText from images
LLMLanguage model

Related ideas

More Fintech

  • Fintech

    Insurance Policy Explainer

    Upload a policy and get covered, not covered and waiting periods explained

    Intermediate14h1–2
    MarkItDownLLMNext.js
    17/20

  • Fintech

    Email Receipts to Ledger

    Automatically turn purchase receipts in email into bookkeeping entries

    Intermediate14h1–2
    Gmail APILLMPostgres
    17/20

  • Fintech

    Receipt Bill Splitter

    Splits a restaurant bill item by item in seconds

    Beginner12h1–2
    ReactOCRLLM
    16/20