Developers - REST API v1

Integration Guide for Online Stores (Redeem)


Configuration

You authenticate to the E-GUMA API by providing an API key in the request. Store that key in your system.

Redeem a voucher

We recommend to provide an input field for vouchers on the checkout page.

Use the Balance Endpoint to verify the entered voucher. The Balance Endpoint returns the voucher code. It’s very important to use the returned voucher code for further actions. The reason for that is the voucher2mobile ShortCode, which is only temporarly available.

If the field is_redeemable is set to false, show an appropriate message. Don't use the returned message field.

If the voucher is fine, you can determine the amount which has to be redeemed. The user doesn't have to enter the amount. The amount can be calculated like that: min(remaining_amount_to_pay, voucher_balance). In order to redeem the voucher, call the Redeem Endpoint with the calculated amount. Save the voucher code in your database.

Cancelling the redeemed voucher

If the order has to be cancelled, then you also need to cancel the redemption. Use the Cancel Request with the redeemed code and amount for that case.

VAT

If you redeem a voucher don't reduce the VAT. Vouchers are not discount- / promo-codes.

Kontakt

Idea Creation GmbH
Walchestrasse 15
8006 Zürich
Tel. +41 44 500 54 00
info@e-guma.ch

Support
support@e-guma.ch
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