With the HelloSign PHP SDK by HelloSign, developers can interact with the e-signature features of the API. Resources on GitHub include installation and configuration. To install, this project requires PHP 5.3+ and PHP cURL extensions. To configure, this work needs an Api Key, basic auth, or OAuth. By Chris Paul.
Tired of physical signatures interrupting your document workflows? HelloSign released the HelloSign API that allows developers to integrate eSignatures into websites, apps, or company processes. HelloSign's creators were first bothered by paper's inefficiency and wastefulness, and the irritation led to HelloFax.