Our API key is a tool that allows you to integrate Signable into your own website or CRM systems. The API key is the tool kit we give you, and from there what you make with it is up to you. Most of our customers use it to integrate with their own internal systems to speed up steps sending documents even quicker.
If you are looking to use our API, which is free to use on any of our subscription plans, we can help give you some tips and best practices around implementing the API. If you did want any help with this at all, please just get in touch or jump strait in by heading over to our developer site.