Postex API Build your own link quickly and easily with the Postex API Platform. Use our API and discover how you can easily integrate Postex functionality into your own applications. Getting started Request a test account for the Postex Platform and receive a unique API key with which you can get started using the API documentation. Request API documentation Request the Postex API documentation to establish a direct link with Postex. Request Default links Link quickly and directly with the Postex API Platform by using our unique Add-ons. Available for the most commonly used industry systems. To Add-ons Postex Support Questions about linking to the Postex API Platform? Our support team is available for all your questions. Contact