demandchain/developer.offerengine.com — pull request #42 by hunpin (2014-03-25 00:19:10+00:00)
Title: OP-5081 Document reseller return coupon endpoint

![api_docs_return_coupon](https://f.cloud.github.com/assets/3372586/2507048/14a701a6-b3b3-11e3-877b-e8027d223372.jpg)