Connect existing systems

Can you keep your POS and connect it to Fawtara?

A testable route for connecting an existing Oman retail POS through an accredited provider.

Reviewed by the EazSell editorial team · 22 September 2026

Direct answer

Often the POS can remain the system that records the sale, but connection is a project, not a checkbox. Map its invoice data to the current rules, agree an interface with an accredited provider and return validation status to staff. Confirm the exact POS version, transaction types and taxpayer onboarding before promising production use.

Reference: Oman Tax Authority: e-invoicing overview

The short version

Keep the source sale and its reference.
Use an approved provider route.
Show the fiscal result inside the staff workflow.

Map one complete sale

Trace a sale from product scan through tax calculation, payment and invoice creation. Identify which fields come from the POS and which may come from ERP or customer records. Missing buyer data is easier to fix before rollout than at a busy till.

Test the reverse path

The provider's accepted or rejected response must attach to the original POS transaction. Staff need a controlled correction path. A one-way export that drops the response can leave the shop unable to reconcile invoices with daily sales.

What to check in your own setup

List the actual POS version and available export or API.
Agree provider onboarding and data ownership.
Test acceptance, rejection, timeout and correction.

Questions people ask

Does every POS have a ready-made Fawtara connector?

No. Compatibility depends on the product version, provider interface and tested scope.

Sources and verification

OTA and OpenPeppol material can change. Check the latest official version before making a tax or deployment decision.

Need to test this against your own checkout?

Tell us which POS or ERP you use, how many locations you run and who handles invoicing today. We can discuss the POS side and identify what needs confirmation with an accredited provider.

Discuss an Oman project