From their site: Use the API to leverage the ConceptShare platform to further improve your projects. You can customize the ConceptShare experience for your organizations, teams and clients. For example, create an automated way to get your customers to submit projects via a website (the API supports automated workspace generation from a web form). ConceptShare makes online design collaboration easy. The interface allows you to quickly and easily switch between multiple concepts, review and markup, comment, manage participants and chat.
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So far, we don't have a record of any changes to this API