The security protocols required for integrating the Apollo API in a corporate booking system include:

1. Encryption: Use of encryption protocols (such as TLS/SSL) to secure data transmission.

2. Authentication: Implement strong authentication mechanisms (such as OAuth or API keys) to verify user identities.

3. Authorization: Ensure proper authorization controls to restrict access to sensitive data and functionality.

4. Data Protection: Protect sensitive data through encryption and secure storage practices.

5. API Security: Implement API security best practices, including rate limiting and IP whitelisting.

6. Audit Logging: Maintain detailed logs of API interactions for auditing and troubleshooting.

7. Regular Security Reviews: Conduct regular security assessments and reviews to identify and address vulnerabilities.

8. Compliance: Adhere to industry standards and regulatory requirements for data security.

For more information, visit Provab’s API Integration Services.

In summary, protocols include encryption, authentication, authorization, data protection, API security, audit logging, regular security reviews, and compliance.