# -i returns headers in the response, -H sets a header curl -i \ -H 'X-Firebase-ETag: true' \ 'https://<your-database>.firebaseio.com/videos/silly_cat_video/upvotes.json'
HTTP/1.1 200 OK ... ETag: ViJFJowpbyRvgGNPzPJdGeN+mCY= ... 10 // Value at the specified location
# -X sets the method (defaults to GET), -d provides data to the method curl -i \ -X PUT \ -d '11' \ -H 'if-match: ViJFJowpbyRvgGNPzPJdGeN+mCY=' \ 'https://<your-database>.firebaseio.com/videos/silly_cat_video/upvotes.json'
upvotes.json
ETag
if-match
ETags
