The HelloSign Signature Request C# Sample Code demonstrates how to access the API to implement electronic signature features by signing in and creating an API Key.
Using AlchemyAPI and Python scripts, this tutorial walks followers through downloading large numbers of PDFs and using entity extraction to determine the most popular topics.
This article is part of a 10-part series where we discuss interesting APIs that were added to our directory during 2016. Business and Productivity APIs are covered in this segment. The APIs were chosen by our researchers, by popularity according to website traffic, and by mentions on social media.
