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Shop and accounting

Connect Lightspeed eCom and Exact Online with your AI chat

The Lightspeed eCom App Store has several Exact Online apps that book orders as invoices. Your chat builds what they leave open: returns, payout fees and changed customer details.

Lightspeed eCom Open Exact Online Open

Lightspeed eCom and Exact Online, after the invoice.

  • When a return is processed in Lightspeed eCom, create the credit entry in Exact Online for the returned lines.
  • When a customer changes their address or VAT number in Lightspeed eCom, update the debtor in Exact Online.
  • When a payout arrives, match it to the invoices in Exact Online and book the transaction fees.

Lightspeed eCom and Exact Online stay the core: your chat writes an adapter for each API, and Hypamoon runs the flows in your project. Reading starts after you click Allow in the portal, and every change in either system waits for your approval. How adapters work

The standard integration

What already exists between Lightspeed eCom and Exact Online, from the vendors' own pages.

Status
Through an app. A partner app or a shipping platform connects the two.
What it does
The Lightspeed eCom App Store offers Exact Online apps, such as the one from Combidesk: invoices as sales entries or sales invoices by order status, with VAT, shipping costs, discounts and OSS for EU consumers.
What you add
Combidesk does not mention returns, payouts or stock, and says changed customer details are not updated.

What each side needs

From our checks of both APIs. Each name links to its full page with sources.

Lightspeed eCom (C-Series)

API
Open Open API: you can build the adapter yourself.
What you need
An API key and secret from your own Lightspeed back office, under Settings, Store Settings, Developers. Use the API address of your cluster, EU1 or US1.
How it signs in
API key and secret made in your own back office, sent as basic auth.
Webhooks
Yes.

Exact Online

API
Open Open API: you can build the adapter yourself.
What you need
An app you register in the App Center of your own Exact Online environment. Exact uses OAuth with short lived tokens.
How it signs in
OAuth 2.0 with an app you register yourself in Exact Online; access tokens are short lived and must be refreshed with the refresh token.
Webhooks
Yes.
Condition
Connecting administrations outside your own Exact Online environment needs the Exact Online Developer subscription.

Build this in your chat

Connect your chat to Hypamoon with this first job filled in. You paste each key in the portal, never in the chat.

Your first job

Here is what I want to make: a link between Lightspeed eCom and Exact Online: when a customer changes their address or VAT number in Lightspeed, update the debtor in Exact Online.

Build this in your chat

Sources

Checked on 7 November 2026.

Lightspeed eCom and Exact Online are names of their owners, used here only to describe the software. This page is not an official integration and Hypamoon has no partnership with either. Found something that changed? Tell us at support.

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Ready to connect Lightspeed eCom and Exact Online?

Connect your chat once, then ask it to build both adapters.

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