The e-signature solutions high-level overview Following APIs allow Developers to create applications and integrate programs and software into websites that involve signature embedding functions. An e-signature API is a set of commands that enable users to create, share, and verify digital platforms’ signatures. The information was taken from following source: Top 7 Best eSignature APIs & Alternatives (2021) | RapidAPI For more information it is recommended to follow the links inside of the article to see the open source results …