A threat intelligence company's business objective is to allow customers to integrate data directly to different TIPs through an API. The following additional requirements must also be met: - Reduce…

Configuring unique API secret keys aids in authentication and authorization, restricting access and reducing the attack surface, but it doesn't directly manage resource consumption or ensure availability against abuse.

Publishing IOCs on a public directory would increase compute spend and attack surface due to unmanaged access, contradicting the stated requirements.

Implementing rate limiting for each registered user directly addresses multiple requirements by preventing any single user or malicious entity from overwhelming the API, thereby reducing compute spend, ensuring availability for other users, and mitigating denial-of-service (DoS) attacks which reduces the attack surface.

Providing a hash of all data ensures data integrity but does not address concerns about compute spend, availability, or attack surface related to API access and abuse.