PayApi Plugin - Payment Gateway Core for Magento 2

Magento payment method implementation of PayApi Secure Form., _(*1)

Includes a new payment gateway for the checkout process, the PayApi Online Payments system. In order to use the payment gateway, please register for a free PayApi user account, _(*2)

Server Requirements

Magento CE 2.0 or higher. This plugin has been validated to work against the 2.1.0 Community Edition release.
PHP 5.6 or higher. This plugin will not work on PHP 5.5 and below.
Composer

Installation

Method 1: Install Via Shell Script

Download the script 'install-payapi-extension.sh'
Run the script:

sh install-payapi-extension.sh  <magento_user@remote_server> <magento_home_directory>

Method 2: Manual installation in server with composer

Run the composer require command

composer require payapi/magento-plugin-gateway

Upgrade modules list

php bin/magento setup:upgrade

Deploy new modules

php bin/magento setup:di:compile

Deploy static content

php bin/magento setup:static-content:deploy en_GB fi_FI es_ES

Method 3: Magento Marketplace

Go to the Magento Marketplace https://marketplace.magento.com/
Search for extension “PayApi”
Buy the PayApi extension for free, _(*3)
Login into the magento backend, _(*4)
Go to Settings > Web setup wizard > Component Manager section
Sign in with your Magento Marketplace account ** Access to https://marketplace.magento.com/customer/account/ ** Once logged in, go to “My Access key” ** Create new Access key or/and copy the public/private keys generated previously ** Back to your store Admin backend and paste these keys.
Press sync button to synchronize with your store
Select payapi/* modules to install them.
Click “install” button and continue the installation steps.

Configuration

Go to the Magento admin, open the menu option Stores > Configuration > Sales > Payment Methods
Open the PayApi extension section and type your PayApi PublicId and your PayApi API key (You can get your publicId and API key from here)
Select your default Shipping Method for the "Instant Buy" functionality (It might require to create a new shipping method if there are no methods)
Save Config