Marketplace ERP Integration
One order and stock record across every marketplace.
Marketplace orders, returns, settlements and GST invoices land in one system, so channels stop overselling and finance reconciles in hours.
- Multichannel orders
- Settlement recon
- Unified stock
Free 30-minute call with a senior specialist. Reply within one business day. Based in Jaipur, working with businesses across India.
- Discovery callFree 30 minutes with a senior specialist
- Scoped first phaseWritten scope, timeline and fixed price
- Build with weekly demosWorking software you can see every week
- Launch and supportGo-live with your team ready, then ongoing support
What is marketplace ERP integration?
Marketplace ERP integration connects Amazon, Flipkart and other channel orders, inventory and settlements to your back-office system so stock updates everywhere and finance reconciles payouts without spreadsheets. Stack18 delivers it on Commerce OS or through API integration, with GST invoicing and exception handling.
You need this when…
Tap the ones that apply to you.
Marketplace ERP Integration, end to end.
Each capability is delivered by the same team on the Agentic SDLC, with your approval at every critical step.
Order consolidation
All channels, one queue.
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Inventory sync
Avoid oversell.
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Settlement reconciliation
Match payouts.
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GST
Compliant by channel.
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Returns
See the loop.
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Monitoring
Fail loudly.
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A typical engagement, step by step.
Senior people lead every phase. Specialised AI agents on the Agentic SDLC handle the repetitive work, and nothing ships without your approval.
Discover
Map the current process, data and priorities.
Design
Agree modules, integrations and rules.
Build
Configure and extend in weekly demos.
Launch
Data migration, training and go-live support.
Start small. Scale when it works.
Every engagement begins with a short, fixed-price step so you can judge the fit before committing further. See pricing.
Integration Discovery
Teams deciding what to build first.
- Duration
- 1–4 weeks
- Pricing
- Fixed price
- Scoped plan and timeline
- Team and fixed price
- Process map or prototype
Commerce OS Launch
Teams that want to go live fast.
- Duration
- 3–4 weeks
- Pricing
- From ₹2.8L, one-time
- 10 modules
- Catalogue migration
- Training
Custom marketplace integration
Needs that a ready-made system does not cover.
- Duration
- 4–16 weeks
- Pricing
- Fixed price per phase
- Weekly working demos
- Senior team accountable
- 30 days hypercare
What we have shipped, and what a typical engagement looks like.
Delivered projects link to the full case study. Illustrative scenarios describe typical engagements and are not named client results.
Ethnic wear D2C, Jaipur
- Challenge
- A ₹100+ crore brand needed website, app and back office to share one catalogue and one record of stock and orders.
- What we do
- Nine specialists built website, mobile app and ERP on one connected foundation in two-week sprints.
3 months
Read the case study →Multichannel seller
- Challenge
- Separate sheets per channel.
- What we do
- One order record.
6–8 weeks
Brand
- Challenge
- Settlements hard to match.
- What we do
- Payout reconciliation.
4–6 weeks
Free marketplace integration review
List your channels and ERP. We outline the sync and price band.
- Sync map
- Build vs buy
- Timeline
We agree targets before we start.
Every engagement has a baseline and a target on the measures that matter to you, reported at every read-out.
Marketplace ERP Integration questions.
Which marketplaces?
Amazon, Flipkart and others via API where supported.
Settlement reconciliation?
Yes.
GST?
Yes.
Cost?
Commerce OS from ₹2.8L.
Timeline?
3–4 weeks for Launch.
Shopify too?
Yes.
Let's scope your Marketplace ERP Integration project.
Tell us where you are and where you want to be. A senior specialist will reply within one business day with next steps.
- Free 30-minute consultation
- Indicative estimate after the call
- NDA available on request