GET /api/v1/campaigns.json
POST /api/v1/campaigns.json
GET /api/v1/campaigns/1.json
Accept-Encoding: gzip, deflate
X-RateLimit-RPS-Limit: value # number of requests per second
X-RateLimit-Hourly-Limit: value # number of requests per hour
X-RateLimit-Daily-Limit: value # number of requests per day
X-RateLimit-RPS-Remaining: value # number of requests user can make within the current second
X-RateLimit-Hourly-Remaining: value # number of requests user can make within the current hour
X-RateLimit-Daily-Remaining: value # number of requests user can make within the current day