ABBYY FlexiCapture for Invoices Cloud API is organized around REST. The API enables you to access ABBYY FlexiCapture Cloud service resources. After you have registered and gotten the authentication header, you can make requests to the ABBYY FlexiCapture for Invoices Cloud API.The API uses built-in HTTP features, like HTTP authentication and HTTP verbs, which are understood by off-the-shelf HTTP clients.ABBYY FlexiCapture Cloud web portal includes the API scheme in swagger format. You may use it to generate client code in the language that you use for your project using special tools, i.e. Swagger Editor.