Jason Judge

Allows access to custom meta fields on products through the API. 
In short, installing this plugin on your WooCommerce site, will extend the 
WooCommerce API so that custom metadata can be passed back and forth through 
that API.
See the main documentation here: https://github.com/judgej/wc-api-custom-meta

WC API Custom Meta

Awesome!

Allows access to custom meta fields on products through the API.

Robert Klodzinski

rspective

<a href="https://voucherify.io/?utm_source=woocommerce&utm_medium=docs&utm_campaign=extension" rel="nofollow ugc">Voucherify</a> helps clients like Verivox, Book A Tiger and Helix build coupon generation, distribution and tracking unlike legacy coupon software. Voucherify is an infrastructure through API for software developers who are dissatisfied with high-maintenance custom coupon software.
Whether you’re just starting out or you’re an established enterprise with thousands of promotions, we have you covered.
Our API-first platform helps developers integrate digital promotions across any marketing channel or customer touchpoint – eventually giving full control over campaigns back to the marketing team.
<h4>The Voucherify Framework covers the following features:</h4>
<ul>
<li>Multiple promotion campaigns: Coupons, Gifts, Discounts, Referral Programs, Loyalty Points</li>
<li>E-commerce integration with Woocommerce checkout form</li>
<li>Manager for distributing coupon codes to customers</li>
<li>Redemptions tracking & monitoring</li>
</ul>
<a href="https://app.voucherify.io/#/signup?plan=standard?utm_source=woocommerce&utm_medium=docs&utm_campaign=extension" rel="nofollow ugc">An account in Voucherify</a> is required to leverage this plugin for Woocommerce. Every paid plan starts with the 30-day free trial (<a href="https://www.voucherify.io/pricing?utm_source=woocommerce&utm_medium=docs&utm_campaign=extension" rel="nofollow ugc">pricing</a>).

Voucherify

Integrates Voucherify API with woocommerce

WC API Custom Meta vs Voucherify