KayanKayan home
  • Finance & AccountingDouble-entry books that write themselves.
  • InventoryMulti-location stock, always accurate.
  • ManufacturingBOMs, work orders, and MRP planning.
  • Commerce & ChannelsShopify and Amazon, synced to your books.
  • Point of SaleIn-store sales in the same books.
  • AI IntelligenceAn always-on analyst for your numbers.
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Getting Started

IntroductionQuick start

Operations

OrdersInventoryProducts

Finance

Accounting

Manufacturing

Overview

Procurement

Overview

Integrations

OverviewShopifyAmazon Vendor Central

Settings

Team & permissions

Getting Started

IntroductionQuick start

Operations

OrdersInventoryProducts

Finance

Accounting

Manufacturing

Overview

Procurement

Overview

Integrations

OverviewShopifyAmazon Vendor Central

Settings

Team & permissions
  1. Home
  2. Documentation
  3. Integrations overview
Integrations

Integrations overview

Kayan connects to the tools you already use. Each integration is built to keep data current automatically — no manual exports or CSV uploads.

Available integrations

ShopifyBidirectional sync of orders, products, inventory, and fulfillments. The core integration for any Shopify brand.Amazon Vendor CentralAutomatic ingestion of Amazon Purchase Orders for 1P suppliers. Manual remittance reconciliation included.
More comingDon't see the tool you use? Request it in Settings → Integrations — we prioritize new integrations based on demand.

How integrations work

Integrations in Kayan follow a consistent pattern: you connect via OAuth or by entering API credentials, and Kayan runs a combination of an initial backfill (historical data) and ongoing webhooks or polling (new data). No data leaves Kayan to the integration unless explicitly documented (e.g. inventory push-back to Shopify).

  • Credentials are encrypted at rest using AES-256-GCM and stored per organization.
  • Each integration's connection status and last-sync timestamp are visible in Settings → Integrations.
  • Webhook deliveries are retried automatically on failure, with an event log you can inspect.
  • Disconnecting an integration stops future syncs but does not delete historical data.

Connection status

The Integrations page (Settings → Integrations) shows a live status for each connected service:

  • Connected — the integration is active and syncing.
  • Error — the last sync or webhook delivery failed. The error message is shown with suggested remediation.
  • Expired — the OAuth token or API key has expired and needs to be refreshed.
  • Not connected — the integration has never been set up.

Re-authorizing an expired integration

If an integration shows Expired or Error, go to Settings → Integrations, click the tile, and select Re-connect. This launches a fresh OAuth flow without losing any historical synced data.

Requesting an integration

If you need an integration that is not listed above, use the Integration Request form in Settings → Integrations. Requests are reviewed by the Kayan team and prioritized based on demand.

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Kayan

Kayan (كيان) — your whole business, as one entity.

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