API Security Policy
A api security policy template defining authentication, authorisation, rate limiting and lifecycle control for APIs, aligned to ISO 27001, NIST SP 800-53, PCI DSS, NIST CSF.
What's Included
1. Purpose & Scope
Objective and the APIs covered.
2. Inventory & Ownership
You cannot secure an API you do not know about.
3. Authentication & Authorisation
Who may call an API and as whom.
4. Input Validation & Output Control
Prevents the common API failure modes.
5. Rate Limiting & Abuse
Protects availability and cost.
6. Transport & Logging
Protecting traffic and retaining evidence.
7. Lifecycle & Review
Versioning and retirement.
Frequently Asked Questions
What should a api security policy include?
A comprehensive api security policy should include purpose & scope, inventory & ownership, authentication & authorisation, input validation & output control, and more. This template covers 7 key sections aligned to ISO 27001, NIST SP 800-53, PCI DSS, NIST CSF requirements.
Which frameworks require a information security policy?
Major frameworks requiring information security policies include ISO 27001, NIST SP 800-53, PCI DSS, NIST CSF. This template maps directly to their control requirements, making it easier to demonstrate compliance across multiple standards.
How often should a api security policy be reviewed?
Best practice is to review your api security policy at least annually, or whenever significant changes occur in your organisation, technology environment, or regulatory landscape. Most frameworks including ISO 27001 and NIST CSF require documented policy review cycles.
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