Asendia USA provides International shipping at a fraction of the cost to Europe, Asia, the Middle East, Oceania, South America, the USA, and Canada Locations. You can visit their website for more details or sign up for a shipping account.
Once you have signed up for an Asendia USA account they will provide you with Test and Production API keys. You can use those keys to add a carrier account with EasyPost. Once you do that you are ready to create test and production Asendia USA shipments via the EasyPost API.