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Executive summary

About our client

Our client is a B2B & B2C company that specializes in creating:

  • mobile and WiFi-enabled card machines for businesses of all sizes;
  • custom integrations with API;
  • payment links for sharing via bills, WhatsApp, email, social media, and more;
  • QR codes;
  • Bank2Bank payments.

Business challenge

Nowadays, online payments are a necessity for everyone, especially in the era of the global pandemic. While more and more shops migrate to the Internet, they want to provide their clients with seamless and trustworthy payment services.

Being an acknowledged leader in delivering best-in-class payment solutions from in-store card payments to online sales, WalletDoc needed a state-of-the-art payment system SDK that can be integrated in other eCommerce solutions.

Smart Tek approach

  • Backed by years of experience in delivering top-notch websites, Smart Tek perceived this business challenge as a great opportunity to show our vast expertise and capabilities in terms of payment system SDK development.
  • We implemented PHP SDK for the payment system and covered the existing API.
  • Our developers also created plugins for WordPress and Magento.
  • We implement SDK using PHP and the front-end plugin on JS.
  • Implementation was conducted on our side while testing was handled on the customer’s side.

Value delivered

  • Smart Tek created easy-to-use plugins for WordPress and Magento.
  • The payment system was tailored directly to the client’s needs with regard to WalletDoc’s specificities and business challenges.


Time of development

2 month


Technologies used

HTML5/CSS3, JavaScript, PHP

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