# Cowisar Partner Documents API > The canonical contract for the Cowisar Partner Documents API: create, read, update, delete, duplicate, convert, correct and send invoices and estimates over the website key an owner mints in the Cowisar app. - [Full contract (markdown)](https://api.cowisar.com/llms-full.txt) - [Documentation page](https://api.cowisar.com/docs) - [Raw markdown](https://api.cowisar.com/docs/api.md)