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The Syspro integration communicates with a REST API that is hosted by the subscriber alongside their own Syspro installation. There is no vendor-hosted endpoint and no shared multi-tenant host — every subscriber has their own.

The base URL is derived from the API Url subscription setting, with the scheme supplied by the integration:

[API Url] is the host name entered in Subscription Settings, for example syspro.example.com. It must be entered without a scheme. All endpoints below are relative to that base.

Responses and request bodies are JSON.

Areas covered: Customer · Product · Product Class · Warehouse · Sales Order · Tax Code · Terms Code · Connection Validation · Authorization

Retrieves a single Syspro customer account. Used when capturing a customer into iPaaS.com and when resolving the customer attached to an order or invoice.

Looks up an existing Syspro customer by email address or by customer account number. Used before creating a customer, so that an existing account is updated rather than duplicated. At least one of the two search values must be supplied.

Asks Syspro to allocate the next available customer account number when a new account is being created from iPaaS.com. Syspro determines the number from the customer type, so the numbering scheme stays consistent with accounts created directly in Syspro.

Writes a customer account into Syspro. Used by the outbound customer transfer.

Retrieves a single Syspro stock item, including its variants where the item is a variant parent. Used when capturing products into iPaaS.com.

Retrieves stock items. Used when a transfer needs to resolve more than one item.

Retrieves the stock position for one item in one warehouse — quantity on hand, quantity allocated, quantity allocated to work in progress, and unit cost. This is the source of the quantities that reach iPaaS.com inventory records.

Retrieves a single inventory record directly.

Retrieves a single Syspro product class.

Retrieves the full product class list. Used as reference data when classifying stock items.

Retrieves a single Syspro warehouse. Used when capturing warehouses into iPaaS.com as Locations.

Retrieves the full warehouse list.

Retrieves a single Syspro sales order with its lines. Used when writing order status back to iPaaS.com and when capturing invoices.

Creates a sales order in Syspro from an iPaaS.com transaction, including its lines and payments.

Retrieves despatch and tracking detail for a sales order. This is the source of the carrier and tracking number that reach iPaaS.com tracking records.

Retrieves a single Syspro tax code.

Retrieves the full tax code list. Used as reference data when transferring product tax classification.

Retrieves a single Syspro terms code.

Retrieves the full terms code list.

A lightweight availability check used to confirm the Syspro REST API is reachable at the configured host before a transfer is attempted.

Returns an access token and its expiry. The integration requests a token automatically, caches it, and renews it when it expires — there is no subscriber-facing credential step and no manual token management. Every subsequent call carries the token as a bearer credential.