--- title: "E-commerce - Stacksync" description: "Stop overselling, ever, sync inventory, orders, and customers in real time across every channel, fulfillment, and 3PL." canonical: https://www.stacksync.com/team/ecommerce last_modified: 2026-07-05 --- Stacksync × Supabase Miami: **AI-Native Operations** Oct 13 [Reserve your spot](https://www.stacksync.com/events/2026-10-13-supabase-miami) Gladia 0 oversells through BFCM # E-commerce teams stop overselling, ever Sync Shopify, NetSuite, your OMS, your 3PLs, and your customer database in real time, across every channel, every fulfillment center, every store. [Book a demo](https://www.stacksync.com/book-a-demo) [Talk to a solutions architect](https://www.stacksync.com/book-a-demo) ## Adopted by fast-scaling companies moving mission-critical data in real time - Gladia Case study - IDEXX - MedPro Migrated from MuleSoft - Eko Case study - Ubicloud - Vimeo - Codility Migrated from Celigo - ACERTUS Migrated from Heroku Connect - Syringa Migrated from Matillion - Truora - Streaam Case study - SEAL SQ - Rinsed Migrated from Fivetran - IA Capital Group Case study - Meter - Golden Pear Funding Migrated from Celigo What breaks at peak season ## Three reasons retailers oversell on Black Friday. E-commerce is the discipline where every sync delay translates directly into a refund, a chargeback, or a one-star review. Here's where it breaks first. 01 - Inventory drift ### Shopify, NetSuite, and the 3PL all see different numbers Stock decrements happen in different systems at different times. By the time the OMS catches up, the storefront has already sold inventory that physically isn't there. STOCKOUTS 02 - Channel fragmentation ### Every marketplace has its own integration Shopify, Amazon, Walmart, TikTok Shop, retail POS, each with its own API, its own webhook quirks, and its own failure modes. Routing one order through all of them takes a custom job per channel. OPERATIONS 03 - Customer view sprawl ### Klaviyo, Salesforce, and Shopify each have a 'customer' Marketing emails go out based on Klaviyo's view of the customer. Service answers tickets based on Shopify's. Sales calls based on Salesforce's. Three different lifetime values, three different addresses, three different sources of truth. CDP PLATFORM ## Six products. One Platform. Replace many legacy vendors. Every tool Stacksync replaces is one fewer vendor, one fewer bill, one fewer integration to maintain. [Start building now](https://www.stacksync.com/book-a-demo) ### [Two-way sync](https://www.stacksync.com/two-way-sync) Changes made in one platform automatically update across all connected systems in real time, eliminating data silos and reducing errors. Replaces: Heroku Connect and Salesforce Data 360 Heroku Connect Salesforce Data 360 ### [Workflow automation](https://www.stacksync.com/workflow-automation) Stop building brittle API scripts. With Stacksync, you can trigger complex automated workflows using simple SQL commands. Replaces: Workato and Boomi ### [AI Agents](https://www.stacksync.com/ai-agents) Expose every enterprise system to your agents through a single MCP layer. Claude, ChatGPT and Gemini get production-grade tools without custom glue code. Natively available in: Claude and ChatGPT and Gemini Claude ChatGPT Gemini ### [Event queues](https://www.stacksync.com/event-queues) Handle massive traffic spikes without losing a single event. Queues buffer your data during surges, ensuring strict ordering and reliable delivery. Replaces: Kafka and Amazon SQS and Confluent Kafka Amazon SQS ### [Database hosting](https://www.stacksync.com/database-hosting) Interact with your CRM, ERP, and payment tools as if they were just another table in your database. Say goodbye to rate limits and complex API documentation. Replaces: AWS RDS and Self-hosted databases AWS RDS Self-hosted databases ### [EDI](https://www.stacksync.com/edi) Transform legacy EDI complexity into simple database interactions. Stacksync automatically parses incoming EDI documents directly into your database tables. Replaces: SPS Commerce and TrueCommerce [Start building now](https://www.stacksync.com/book-a-demo) Connectors ## Every system in the commerce stack, synced two-way, in real time. Stacksync covers storefront, OMS, ERP, fulfillment, marketing, and customer data on one platform. Storefront & marketplaces 05 - Shopify - BigCommerce - Magento - Amazon - Walmart OMS / ERP 05 - NetSuite - Odoo - Brightpearl - Cin7 - Acumatica Fulfillment & 3PL 05 - ShipBob - ShipStation - ShipHero - Manhattan WMS - EDI CDP & marketing 05 - Klaviyo - Salesforce - HubSpot - Iterable - Segment Sub-second inventory propagation means stockouts disappear, customers see what's actually available. [Browse all 1,000+ connectors](https://www.stacksync.com/connectors) SECURITY ## Security teams trust Stacksync As a data company, we understand the importance of keeping your data secure. Stacksync is built with security best practices to keep your data safe at every layer, and is DPF-certified for US, EU, UK and CH data transfers. [Learn more about security](https://www.stacksync.com/security) | | | | --- | --- | | | SOC 2 Type II | | | ISO 27001 | | | HIPAA BAA | | | GDPR | | | CCPA | | | DPF US-EU-UK-CH | → SECURITY WITH BENEFITS ### SSO & SCIM Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more. ### Alerts Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options. ### Secure connection options Securely connects to your systems with: [OAuth 2](https://www.stacksync.com/security) [SSH Tunnelling](https://docs.stacksync.com/two-way-sync/connectors/setup-options/ssh-tunneling) [SSL certificates](https://docs.stacksync.com/two-way-sync/connectors/postgres/authorize-postgres/amazon-rds/ensuring-secure-rds-connections-with-ssl-certificate) [IP Whitelisting](https://docs.stacksync.com/two-way-sync/connectors/setup-options/ip-whitelisting) [VPN gateway](https://docs.stacksync.com/two-way-sync/legal/service-consumption-tables#:~:text=%E2%9C%93-,VPN%20gateway,-%2D) [VPC peering](https://www.stacksync.com/security) and more Common questions ## Common questions from e-commerce teams. E-commerce teams ask about inventory propagation speed, multi-warehouse support, peak-season scale, and retail-POS sync. [Talk to a solutions architect](https://www.stacksync.com/book-a-demo) ### How fast does inventory propagate? Sub-second for connectors that support webhooks (Shopify, BigCommerce, ShipBob), and 1–5 seconds for poll-based connectors. Stacksync defaults to whichever is fastest available. ### Can we handle multi-warehouse / multi-location inventory? Yes. Stacksync syncs inventory at the location level, each store, fulfillment center, or 3PL maintains its own pool, with cross-channel allocation rules configurable in the UI. ### What happens during BFCM at peak load? The platform scales horizontally and is tested at 100k+ orders per minute. Customers like Gladia have run BFCM through Stacksync with zero oversells. ### Can we sync to retail POS in stores? Yes, Lightspeed, Square, Shopify POS, and most enterprise POS systems are supported. Inventory and customer data sync between retail and online in real time. ## Your last integration took months. Your next one takes a prompt. [Book a demo](https://www.stacksync.com/book-a-demo) [Get started](https://app.stacksync.com/)