post https://api.coingate.com/v1/orders
API v1 is DEPRECATED
API v1 is DEPRECATED and no longer maintained. Please use API v2 http://developer.coingate.com/v2
Callback Token
In every callback_url set random generated hash string, for example: https://example.com/payments/callback?token=IzFN6IsYa-UzjVGCApAFTA. Later, in your callback method validate passed token.