What the Microtransaction API does in addition to the Transaction API, is to propagate smaller and more frequent transactions that still exist on the blockchain and are still publicly auditable. BlockCypher pays the mining fees for the first 8,000 microtransactions. After that number, the company optimizes a fee to gain balance and achieve results.
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.