ThumbSignIn provides two-factor authentication (2FA), and passworless, biometric strong authentication services. The ThumbSignIn Web API enables developers to integrate the service, with methods to register and authenticate users, get transaction status, get device and user ids, and more.
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.