---
title: "Reminder: March 12 Cutover Test for Default Media Type"
author_name: jasonrudolph
---

In January, we announced an [upcoming change to the default media type][2014-01-announcement]. To help developers assess the impact of that change before it becomes permanent, we're performing a [24-hour cutover test next week][cutover-test-announcement].

From approximately 12:01am UTC to 11:59pm UTC on March 12, the API will [respond with the v3 media type by default][what's-changing]. (See the [start time for the cutover test in your time zone][start-time].)

Follow [@GitHubAPI][] to receive updates before and after the test.

Please see the [original announcement][2014-01-announcement] for full details. If you have any questions, please [get in touch][contact].

[@GitHubAPI]: https://twitter.com/GitHubAPI
[2014-01-announcement]: /changes/2014-01-07-upcoming-change-to-default-media-type/
[contact]: https://github.com/contact?form[subject]=Upcoming+change+to+default+API+media+type
[cutover-test-announcement]: /changes/2014-01-07-upcoming-change-to-default-media-type/#cutover-test
[start-time]: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20140312T00&p1=1440
[what's-changing]: /changes/2014-01-07-upcoming-change-to-default-media-type/#whats-changing
