# Golden Inventory > Cloud inventory management SaaS for small businesses — purchasing, receiving, sales orders, invoices, point of sale, multi-warehouse stock, manufacturing (work orders / bills of materials), payments and reports. Runs in any browser, installs as a PWA on phones, and keeps working fully offline with conflict-safe sync. The cloud successor of the Golden Inventory System desktop app, used in 30+ countries since 2007. Key facts: - Product: https://inventory-system.com — free sign-up, no card required - Landing pages in 7 languages: English (/), German (/de), Spanish (/es), Portuguese (/pt), French (/fr), Italian (/it), Ukrainian (/uk) - Pricing (EUR; Gumroad is the merchant of record, VAT handled at checkout): - Free — €0: 1 user, 1 location, 50 documents/month, catalog, stock and invoicing - Pro — €19/month or €190/year: 3 users, 3 locations, unlimited documents, PDF/email, CSV and Excel import, reports and barcode labels - Business — €49/month or €490/year: 10 users, unlimited locations, up to 5 companies with one login, POS and manufacturing, object pages with global search, the business-rule alert inbox, custom fields, wholesale fulfillment (allocation, picking, shipments, control tower), priority support - Premium — €149/month or €1,490/year: unlimited users and companies, restaurant mode with kitchen display, Shopify and WooCommerce sync, the public REST API with webhooks and the developer portal, the AI assistant with governed draft actions, demand forecasting, what-if simulation, fulfillment intelligence, dedicated support - Migration: upload the legacy desktop `Invent.mdb` file to import locations, vendors, customers, items, bills of materials and opening stock; duplicates are skipped so the import is safe to repeat - Offline-first: sales, receiving, invoicing and POS run with no connection; every change queues on the device and syncs automatically with conflict-safe merges - Verticals: retail POS, repair/workshop (estimates with online customer acceptance, labor lines, vehicle and asset service history), restaurant (table service, courses, seat-based bill splitting, browser-based kitchen display, recipe back-flush), wholesale (price tiers, backorders, receivables) - Integrations: Shopify and WooCommerce connectors (orders in via webhooks, catalog import by SKU, stock pushed back after every sale); REST API v1 with X-Api-Key auth; HMAC-SHA256 signed webhooks - Developer API (Premium): a documented REST API v1 over items, customers and vendors, stock on hand and documents (create a draft, approve it), authenticated with an `X-Api-Key` header. Keys carry a role and a per-minute rate limit and are created in the app under Settings → Developers; the secret is shown once and stored only as a hash. The OpenAPI 3 document is public and needs no credentials — https://inventory-system.com/api/inv/v1/openapi.json — with a browsable console at https://inventory-system.com/api/inv/v1/docs. Inside the app the Developers page adds a live API console, key management, webhook subscriptions with test deliveries, and a log of recent API calls - Tax: multi-rate VAT and a universal tax engine (multi-tax GST+PST, compound, withholding, tax-inclusive prices, cash rounding) with presets for DE, AT, FR, IT, ES, PT, NL, UK, CH, UA, PL, US and CA; documents and reports localizable per language - Inventory depth: serial and lot tracking with expiry dates and FEFO picking, moving-average cost, min-stock reorder screen that drafts purchase orders per preferred vendor, barcode scanning by camera or USB scanner, printable barcode labels - Object model: every record (item, customer, document, location, asset, lot, bin, pick task, shipment) is a business object with a page showing live computed figures, its relations, and one merged timeline of everything that happened to it; a single search box spans them all - Alerts: rules for reorder point, minimum stock, overstock, lot expiry, delayed purchase orders and customer credit limits, evaluated on a schedule into an inbox; thresholds are per company, and a hard credit limit blocks approval rather than only warning - AI (Premium, opt-in — off until the company consents): an assistant that answers questions about the company's own data through the same permissions the user has, with personal contact and payment details stripped before anything reaches the model; it may PROPOSE drafts (purchase order, transfer, document, reorder level) that a human confirms, and can never approve, pay, cancel or delete; bring-your-own provider key supported, chat history optional, full export and erasure available - Forecasting and simulation (Premium): demand rate, projected stockout date and order quantity computed from the company's own sales history with a confidence label; what-if scenarios for supplier delay, postponed purchase orders, cost changes, promotions and today's urgent orders — each answer shows its formula and inputs, and reports insufficient history instead of extrapolating - Wholesale fulfillment (Business; AI parts Premium): promised dates and priorities, hard per-warehouse stock reservations, available-to-promise, an allocation engine that evaluates every warehouse combination against distance, split, late-risk and pick effort, bins and offline-capable pick tasks in walk order, outbound shipments with carrier tracking, and a control tower with per-order stage, ETA chain and risk - Partner program: 25% recurring commission on every referred subscription — https://skorsun.gumroad.com/affiliates ## Docs - [Documentation hub](https://inventory-system.com/docs): setup guides and the user manual - [Comparison page](https://inventory-system.com/vs): Golden Inventory vs spreadsheets, the legacy desktop app and cloud POS suites - [Café demo video](https://youtu.be/hG8RPmAiQ_w): a walkthrough of POS, kitchen display, table service and live stock - [API reference](https://inventory-system.com/api/inv/v1/docs): the public REST API v1 console - [OpenAPI document](https://inventory-system.com/api/inv/v1/openapi.json): machine-readable schema, no authentication required ## Checkout - [Pro plan](https://skorsun.gumroad.com/l/axmoy) - [Business plan](https://skorsun.gumroad.com/l/ncdmfx) - [Premium plan](https://skorsun.gumroad.com/l/dsfzdi) - [Founders Deal — €249/year, limited](https://skorsun.gumroad.com/l/gohgg)