- Login To your shop.
- Copy and paste following link to your browser addressbar - https://www.shopify.com/login?redirect=%2Fadmin%2Fauthorize_gateway%2F1052283
- You will be asked to enter your login credentials again.
- Upon submitting your store login credentials a page will appear with "FastPay Shopify Plugin". Click "Install Payment Provider" button.
- Then Go to Settings -> Payments -> Alternative Payments -> Select FastPay from Dropdown
- Enter your Fastpay Merchant Mobile No. (without +) and Store Password and then click Save.