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Vendor Payment Approval Workflow

Route vendor bills through approvals with limits and audit trail.

Intermediate14h2–3 people17/20 fit
TL;DR

Build Vendor Payment Approval Workflow for startups and small finance teams in ~14h with 2–3 people. Stack: Next.js + Postgres + Slack API.

Why it wins: Clean workflow business judges understand.

Build flow

01 · Problem
Payments get approved over chat with no records or limits.
02 · Solution
Upload bills, apply approval rules by amount and department, notify approvers and keep an audit log.
03 · Build
  1. 1Model bills
  2. 2Define rules
  3. 3Notify approvers
  4. 4Log actions
04 · Demo
Submit a bill over the limit and watch it route to two approvers.

MVP checklist

  • Approval rules
  • Notifications
  • Audit log
  • Status board

Tech stack

TechRole
Next.jsFrontend + API routes
PostgresRelational database
Slack APIChat integration

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