Tastypie is one of the most popular REST API frameworks for Django, and surprisingly easy to get up and running if you’re already working with Django’s Models. It can, however, be a bit difficult to debug, and produce some cryptic error messages. Here are a couple of tasks I’ve had to figure out while working with this framework, tips for troubleshooting, and some general reflections. Table of Contents Adding Fields to a Resource Mapping Attributes of an Object through a Reverse Relationship Filtering via Through Relationships Self-Referential Resources Adding Fields to a Resource It seems simple enough – and it is – but there are really a number of ways to do it, so you have to decide which is most appropriate for your use case.