node-json-response-checker
Check the JSON response of a URL once or continuously with a timeout (e.g. to verify a deployment)
See test.js and index.js for more information
Gulp Example
var gulp = ;var JSONResponseChecker = ; gulp
You can run use this to verify deployment by having your CI server run a command like this:
COMMIT_HASH=407b2ca49870a35e1aa487821735906935de7a9c VERSION_URL="https://example.com/version" gulp verify:version