Topic: Release Updates

Support Ending for TLS v1.0 and v1.1- Immediate Action Required

The Constant Contact API, managed by TIBCO’s Mashery, will no longer support TLS v1.0 or v1.1 when establishing secure connections as of September 30th, 2018. We recommend updating your integration to TLS version v1.2 to comply with security practices outlined by the Payment Card Industry (PCI) Security Standard Council. What is TLS? TLS stands for “Transport […]

New Release: V5 Java SDK

We’re excited to announce the latest update to our developer toolkit – v5 of our Java SDK! This represents pretty significant change from our v4 Java SDK, so let’s go over a few of the key features of this release. Central Repository Hosting. Previously, our SDK required a download and inclusion of a JAR in your […]

Building a Great Developer Experience with SDKs

Investing in Software Developer Kits (SDKs) It’s early in 2015 and if you’ve ever worked in Product Management you know what that means: we are starting to execute our big, audacious 2015 product plans. In our Q4 planning cycle we looked at everything we could possibly do and tried to prioritize for the next year. […]

Constant Contact v2 API Supports gzip Compressed Payloads

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. […]

Support Ending for TLS v1.0 RC4 Cipher and SSL v3.0

The Constant Contact API will no longer support RC4 cipher suite in TLS v1.0 and SSL v3.0 when establishing secure connections. What they are Transaction Layer Security (TLS) protocol v1.0 RC4 cipher suite – original release of the successor to SSL v3.0, detailed in RFC 2246. Secure Socket Layer (SSL) v3.0 is a protocol used […]

Introducing Webhooks for Constant Contact

In our recent September release  we announced the release of core API endpoints for our new webhooks API feature.  All of us on the API team are really excited to announce the release of our first set of webhooks topics and full API endpoints. But some of you may be asking, “What are webhooks and […]

v1 API Image and Folder Endpoints Retired

On August 22, 2014, we retired the v1 XML API Images and Folder resources (endpoints). Calls to these endpoints now elicit a 410 Gone response. Developers wishing to access library resources in their apps and integrations should now utilize the v2 API image and folder resources for this functionality. Please refer to the v2 Library image […]

CASL Update for Developers

The Canadian Anti-Spam Legislation (CASL) started being enforced on July 1, 2014, and is applicable to anyone who makes use of commercial electronic messages. This means if you have an email address in your email marketing campaign that you suspect belongs to a Canadian, or if anyone opens your email in Canada, this law is applicable even if […]

API Release Notes | February 2014

The upcoming Constant Contact API update is schedule for Friday, February 7, 2014. These API Release Notes cover the new features, bug fixes, and any open issues for this release. New Features Account information endpoint uri: The organization_addresses array adds new support for an organization physical address to the account information endpoint. Here is the JSON structure for […]