DynDNS.com is an all-in-one managed DNS hosting solution for top level domains (ie. www.yourwebsite.com). Their DNS Update API is also known as the Members NIC Update API and is used to update the IP addresses of dynamic DNS hostnames. DynDNS designed and created the specification prior to 2001 which has become the standard update mechanism for other DNS providers. The API works over HTTPS and HTTP.
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.