Pass header to test strict validation in REST API

2018-09-26T07:00:00Z

As previously announced, we will begin to validate request payloads more strictly in the REST API starting on November 1, 2018.

If you wish to test the strict validation before November 1, you can pass the following header:

application/vnd.github.speedy-preview+json

If you have any questions, please reach out!