The Constant Contact v2 API now supports sending and receiving compressed JSON payloads in gzip format on all endpoints. Using compressed payloads improves Web and mobile app performance by reducing the amount of bandwidth required for API calls. Mobile app developers are extremely bandwidth sensitive, and look for performance improvements in every nook and cranny. This gives them another tool to use in their quest for better performance.
Developers will find it easy and simple to implement gzip compression and start seeing performance improvements immediately. All it takes is updating the app to include the HTTP header Accept-Encoding: gzip to compress API responses, and Content-Encoding: gzip to send compressed payloads to the API for POST and PUT calls.
Learn more by reviewing the Payload Compression documentation on our developer portal.
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