What is a key benefit of REST API integration in account onboarding?

The key benefit of REST API integration in account onboarding is the automation of provisioning processes. By utilizing REST APIs, organizations can streamline the onboarding process for new accounts without requiring extensive manual intervention. This automation allows for quicker and error-free provisioning of accounts, as the API can handle repetitive tasks, ensure that the correct data is entered, and maintain consistency across the system.

Additionally, automation through REST APIs reduces the risk of human error that often accompanies manual processes. It also enables better scalability, as requests can be handled in bulk or quickly, allowing IT teams to focus on more strategic tasks rather than repetitive account management.

The other options do not align with the primary benefits of REST API integration. For instance, increased manual tasks contradicts the efficiency gained through automation. Similarly, enhanced user training requirements and reduction in system control do not represent the advantages of leveraging API technologies for onboarding, as these focus more on operational challenges rather than improvements achieved through integration.