Some proxies and application servers inject HTTP headers into the requests. Server-side code
may use these fields, but they are not required in the client API.
/locations:
get:
parameters:
- name: X-AppEngine-Country
in: header
x-proxy-header: true
type: string
description: Provided by AppEngine eg - US, AU, GB
- name: country
in: query
type: string
description: |
2 character country code.
If not specified, will default to the country provided in the X-AppEngine-Country header
...
Some proxies and application servers inject HTTP headers into the requests. Server-side code may use these fields, but they are not required in the client API.
eg: https://cloud.google.com/appengine/docs/go/requests#Go_Request_headers