Inventory sync
Stock levels reconciled across Shopify, the ERP and any 3PL, with the warehouse as the authoritative source.
Stock
Shopify ERP Integration · Switzerland
Shopify ERP integration for stores with complex operations
Shopify is the commerce layer; your ERP is the operational source of truth. Forgify connects them with robust, monitored integrations — APIs, webhooks, queues and custom dashboards — instead of brittle exports and one-off scripts that break under load.
01 — The failure mode
Why most ERP integrations break.
The problem is rarely the API — it's the architecture around it.
Most Shopify-to-ERP connections start as a naive one-off script: a cron job that pulls orders, loops over them and pushes them somewhere. It works on the demo and the first quiet week, then quietly falls apart the moment volume, edge cases or an API change show up.
There are no retries, so a single timeout drops an order. There is no backoff, so Shopify's rate limits return errors that the script swallows. There is no idempotency, so a re-run double-posts invoices. And there is no defence against schema drift — the day a field is renamed or a new variant shape appears, the mapping silently writes garbage.
We build the opposite: integrations as monitored infrastructure. Robust APIs, verified webhooks, queues, idempotency and structured logs — designed for the failure cases first, so the happy path takes care of itself and operators trust the numbers.
02 — The architecture
Shopify is the commerce layer, the ERP is the source of truth.
Clear responsibilities prevent the tug-of-war that corrupts data. We define which system owns each field, then sync deliberately in that direction.
GraphQL Admin APIWebhooksQueuesIdempotencyDead-letterStructured logs
- Shopify owns the storefront
- Catalogue presentation, checkout, customer accounts and the buying experience live where they belong — in Shopify.
- The ERP owns operations
- Stock levels, pricing logic, invoicing and fulfilment state are governed by the operational system that runs the business.
- Directional, not chaotic
- Each field has one owner and one direction of sync, so two systems never fight over the same value.
- A documented contract
- Mappings, ownership and event flows are written down — a future developer can read the integration, not reverse-engineer it.
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03 — What we sync
The data flows that keep both systems honest.
Each flow is built with its own ownership rules, retry behaviour and monitoring — not bundled into one fragile job.
Order sync
New orders pushed to the ERP near real time via webhooks and queues, with retries and idempotency against duplicates.
Orders
Customer data sync
Customer and account records kept consistent between Shopify, the ERP and your CRM without manual exports.
Customers
Fulfilment & shipping sync
Fulfilment requests sent out, tracking and status pulled back, so order state stays in step everywhere.
Fulfilment
Accounting & fiduciary exports
Clean, validated exports for Swiss accounting and fiduciary workflows, generated on schedule and idempotent on re-run.
Finance
Pricing & catalogue sync
Prices, products and variant data propagated from the ERP to Shopify with controlled validation against schema drift.
Catalogue
04 — Resilience
Error handling, queues and logs.
The difference between an integration you trust and one you babysit is what happens when something goes wrong. We design for the bad cases first.
- Idempotency
- Every operation carries a key, so retries and replays never double-post an order, invoice or stock movement.
- Queues with backoff
- Work runs through durable queues that respect rate limits and retry transient failures instead of dropping them.
- Dead-letter queues
- Records that genuinely can't process are isolated for inspection — one bad payload never stalls the whole sync.
- Structured logs
- Every event is logged with context and correlation IDs, so a failure is traced in minutes, not guessed at.
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05 — After launch
Monitoring and maintenance.
An integration is a living system that sits between vendors who ship breaking changes. We keep it healthy and visible, not invisible until it fails.
- Health dashboards
- A custom dashboard surfaces sync status, throughput and failures, so operators see the integration's state at a glance.
- Alerting
- Threshold and dead-letter alerts reach the right people before a silent backlog becomes a customer problem.
- Replay & recovery
- Failed events can be inspected, fixed and replayed safely, thanks to idempotency — no manual data surgery.
- Adapting to API changes
- Optional retainer to track Shopify and ERP API versions, absorb breaking changes and extend the integration as you grow.
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06 — FAQ
Questions before scoping an integration.
It keeps Shopify and your ERP in agreement without manual exports. Stock, orders, customers, fulfilment and pricing move between the two systems over their APIs, on events or schedules, so operators stop reconciling spreadsheets and the data in both systems matches.
Connect Shopify to your ERP the robust way.
Start with a short audit. We'll map the systems, the data ownership and the failure cases — then scope an integration built for maintainability.