How to: Add custom JeSuisCharlie header to API responses

A lot of servers have been including a JeSuisCharlie header with their responses. If you haven’t already, try with Charlie Hebdo site itself: $ curl -I Date: Mon, 12 Jan 2015 15:56:13 GMT Content-Type: text/html; charset=iso-8859-1 Content-Length: 221 Connection: keep-alive Location: Vary: Accept-Encoding X-Charlie-fr: Je suis toujours Charlie. X-Charlie-en: I am still Charlie. X-Charlie-es: Todavia soy Charlie. X-Charlie-de: Ich bin immer Charlie. X-Charlie-ro: Inca sunt Charlie. X-Charlie-cz: Jsem stale Charlie. »