Pupa implements the Person, Organization, Membership and Post models from the Popolo data specification. Notably, it:

• does not implement an id property, instead using _id from MongoDB, with the exception of the id property on the Post model
• does not implement name components on the Person model
• does not implement a top-level email property on the Person model, instead using the contact_details property for all contact information
• does not implement a sources property on the Membership model
• does not implement created_at, updated_at or sources properties on the Post model
• requires the name property on the Person and Organization models, and the label property on the Post model
• does not implement embedded JSON documents, with the exception of the posts property on the Organization model