Lob Simple Postcard Service API is a cloud based API that scales postcard production to business specification and allows personalization through dynamic content . This API creates on-demand printing of postcards and features a tracing feature that follows the location and arrival time of individual postcards, which is included in the cost.
Lob API requires an authentication key for the creation of postcard print jobs. This REST API requires PDF, image, or an HTML string for the front and back of the postcard. This API uses HTTP response codes for error indication. This API provides Ruby, Node.js, PHP, Java, & Python wrappers for ease of integration.