Payment Plugin: Limelight
1 - Go at aMember CP -> Manage Products and edit each product: -fill 'Limelight Product Id' -click 'Save' button.
2 - Configure Limelight plugin at aMember CP -> Setup/Comfiguration -> Limelight:
3 - As postback URL use - https://example.com/amember/payment/limelight/api?email={email}&fname={first_name}&lname={last_name}&amount={order_total}&order_id={order_id}&products={product_id_csv}