TypeKey is an authentication service within TypePad that allows distributed applications to handle log-ins in a simple and secure way, so that users only need one login across many TypePad/TypeKey-enabled sites.
The following is a list of SDKs from our SDK directory that matched your search term. Though your definition of an SDK may differ, in our world, we define SDKs as platform- specific tools for consuming existing APIs of the sort we list in our API directory. For example, the Ruby SDK for consuming the Twitter Ads API. If you think an SDK, API, or other asset is missing from our directory, be sure to check our guidelines for making contributions to ProgrammableWeb.