FlowStock

Custom rules for flawless Shopify-Etsy inventory automation.

Score: 8.2/10MGHard BuildReady to Spawn
Brand Colors

The Opportunity

Problem

Small ecommerce business owners are frustrated with clunky inventory tools that fail to sync properly between Shopify and Etsy, causing stockouts and overselling.

Solution

FlowStock lets you build no-code rules to automate inventory sync between Shopify and Etsy, like 'hold stock on Etsy if Shopify low'. It handles complex scenarios clunky tools miss. Monitor via rule-based dashboard with performance analytics.

Target Audience

Small ecommerce business owners selling on both Shopify and Etsy

Differentiator

No-code rule builder for custom sync logic, empowering sellers to tailor without dev help.

Brand Voice

professional

Features

Platform Connections

must-have8h

Connect Shopify & Etsy

Rule Builder

must-have25h

Drag-drop rules for sync logic

Automated Sync

must-have20h

Execute rules on events/webhooks

Rules Dashboard

must-have12h

Overview of active rules & triggers

Performance Analytics

must-have10h

Rule success rates and savings

Event Triggers

must-have15h

Sync on sales, low stock events

Template Library

nice-to-have8h

Pre-built rule templates

Rule Sharing

nice-to-have10h

Export/import rules

Advanced Conditions

future20h

If-then-else nesting

Total Build Time: 128 hours

Database Schema

users

ColumnTypeNullable
iduuidNo
emailtextNo

integrations

ColumnTypeNullable
iduuidNo
user_iduuidNo
typetextNo
credentialsjsonbNo

Relationships:

  • user_id -> users.id

rules

ColumnTypeNullable
iduuidNo
user_iduuidNo
nametextNo
conditionsjsonbNo
actionsjsonbNo
activeboolNo

Relationships:

  • user_id -> users.id

rule_executions

ColumnTypeNullable
iduuidNo
rule_iduuidNo
statustextNo
executed_attimestampNo

Relationships:

  • rule_id -> rules.id

API Endpoints

POST
/api/rules/create

Build new rule

🔒 Auth Required
GET
/api/rules/list

Get user rules

🔒 Auth Required
POST
/api/rules/execute

Trigger rule

🔒 Auth Required
GET
/api/analytics

Rule performance

🔒 Auth Required

Tech Stack

Frontend
Next.js 14 + Tailwind + React Flow
Backend
Supabase Edge Functions
Database
Supabase Postgres
Auth
Supabase Auth
Payments
Stripe
Hosting
Vercel
Additional Tools
Zod for validationShopify/Etsy webhooks

Build Timeline

Week 1: Core Setup

35h
  • Auth
  • Integrations

Week 2: Rule Builder UI

50h
  • Drag-drop interface

Week 3: Execution Engine

45h
  • Rule parser
  • API calls

Week 4: Dashboard & Analytics

40h
  • List view
  • Charts

Week 5: Payments & Webhooks

30h
  • Stripe
  • Event handlers

Week 6: Testing & Launch

25h
  • E2E
  • Landing

Week 7: Refine

20h
  • Templates
  • Bugs

Week 8: Optimize

15h
  • Perf
Total Timeline: 8 weeks • 260 hours

Pricing Tiers

Free

$0/mo

1 store pair

  • 5 rules
  • Basic sync

Pro

$28/mo
  • Unlimited rules
  • Analytics

Enterprise

$89/mo
  • All + API
  • Unlimited stores

Revenue Projections

MonthUsersConversionMRRARR
Month 11803.5%$176.4$2,116.8
Month 61,1007.5%$2,310$27,720

Unit Economics

$48
CAC
$650
LTV
4.5%
Churn
91%
Margin
LTV:CAC Ratio: 13.5xExcellent!

Landing Page Copy

Automate Inventory Your Way

FlowStock's rules engine customizes Shopify-Etsy sync perfectly for your business.

Feature Highlights

No-Code Rules
Event Triggers
Analytics
Templates

Social Proof (Placeholders)

"'Custom rules changed everything.' - Lisa"
"'Finally control!' - Raj"

First Three Customers

Share rule demo video in r/EtsySellers and r/shopify, offer free Pro. Target Twitter searches for 'etsy shopify sync issues'. Join ecomm Slack groups for intros.

Launch Channels

Product Huntr/SaaSTwitterEtsy forums

SEO Keywords

custom shopify etsy sync rulesautomation shopify etsy inventoryno code etsy syncshopify etsy rule builderadvanced inventory automation

Competitive Analysis

Pipedream

pipedream.com
Usage-based
Strength

General automation

Weakness

Not ecomm-specific, technical

Our Advantage

Tailored no-code for inventory

🏰 Moat Strategy

User-generated rule templates create community network effects.

⏰ Why Now?

Rise of no-code tools + multi-channel complexity demands flexible automation.

Risks & Mitigation

technicalhigh severity

Complex rule bugs

Mitigation

Visual tester + simulations

legallow severity

API ToS violations

Mitigation

Official SDKs only

Validation Roadmap

pre-build7 days

Validate rules interest via Typeform

Success: 50 responses

growth30 days

Template marketplace beta

Success: 10 shares

Pivot Options

  • General ecomm automation
  • Zapier alternative for shops
  • Rule marketplace

Quick Stats

Build Time
260h
Target MRR (6 mo)
$4,500
Market Size
$600.0M
Features
9
Database Tables
4
API Endpoints
4