Verimail provides an email verification system that can be integrated with approved partner applications. The Verimail API is a REST-based interface intended to take an email address as an input, and to tell if emails are deliverable to this address or not. Responses carry a JSON payload.
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.