Application Programming Interfaces provide developers with a powerful tool so that they can integrate electronic signature capabilities into their applications. eSign API offers a standardized way to interact with eSign services and eliminates the need for complex manual processes. So that businesses can offer a simplified experience to their customers. By integrating these APIs into CRM systems businesses can enable their sales teams to quickly and securely obtain customer signatures on contracts and proposals. So that they can reduce the turnaround times of their applications.