The Open Source Library RXQ was the first RESTXQ implementation for MarkLogic Server. It was / is a hobby project by Jim Fuller who worked for MarkLogic at the time of creating the library. RXQ was used successfully on many commercial projects by MarkLogic Customers.

This page shows a comparison of features supported by XQRS and RXQ. Including a breakdown of RESTXQ Specification Support as well as additional features useful for creating RESTful Applications on MarkLogic Server. This document is dated 16th October 2018 and does not take into consideration any updates / enhancements added to RXQ that have taken place after this date.

RESTXQ Specification 1.0 (21st March 2016) Support	XQRS 1.0	RXQ 1.0.3
Path Annotation	Yes	Partial1
Method Annotation	Yes	Partial2
Consumes Annotation	Yes	No
Produces Annotation	Yes	Partial3
Query Parameter Annotation	Yes	No
Form Parameter Annotation	Yes	No
Header Parameter Annotation	Yes	No
Cookie Parameter Annotation	Yes	No
Output Serialization for XML / HTML	Yes	Yes
Response XML Processing	Yes	No
RESTXQ Function Module	Yes	Yes
Other Features	XQRS 1.0	RXQ 1.0.3
Path Annotations using Regular Expressions	Yes	Yes1
Multi-Statement Transactions	Yes	No4
Read-Only Functions	Yes	No5
Multipart Mixed Message Upload (multipart/mixed)	Yes	No
HTML Form File Uploads (multipart/form-data)	Yes	No
Custom Error Handler Functions	Yes	No
JSON Upload and Serialization Support	Yes	No
RDF Upload and Serialization Support	Yes	No
SPARQL Results Serialization Support	Yes	No