How to sell cross-border on custom platform: full API description 15 October 2025 11:16 Updated EAS Solutions are accessible also via open APIs for easy cross-border sales Please visit our API documentation portal at https://api-doc.easproject.com/ Related to API EAS API API description Related articles Is EAS IOSS usable with other platforms than supported by direct integration? How to connect custom platform for cross-border compliance to EAS via API for VAT calculation Where to find Client ID and Client secret for configuring integration applications and API? How to connect your UK VAT account to HMRC via EAS dashboard (MTD , Making Tax Digital) How to add HS codes to the products in the Shopware 6?