The Mailsac API offers spam searching capabilities for all inbound Email. The API offers free support for custom domains, basic outbound transactional Email, websocket, and webhook delivery for SMTP and forwarding. Developers will need to acquire an API Key. JSON is the preferred response format. Mailsac is free for individuals and businesses can purchase a yearly license.
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.