Features, pricing, ratings, and pros & cons — compared head-to-head.
Fastly API Security is a commercial api security tool by Fastly. Impart AI is a commercial api security tool by Impart Security. Compare features, ratings, integrations, and community reviews side by side to find the best api security fit for your security stack.
Based on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Teams managing APIs at scale across multiple regions need Fastly API Security because it discovers and protects undocumented APIs in real time at the edge, catching shadow APIs before they become breach vectors. The platform covers all six OWASP Top 10 API risks and integrates DDoS and bot mitigation without requiring separate tools, reducing alert fatigue from fragmented stacks. Skip this if you're looking for API governance and compliance workflow automation; Fastly excels at runtime detection and threat response, not policy enforcement or change management.
Mid-market and enterprise security teams managing APIs and AI systems will find real value in Impart AI's natural language policy creation, which cuts the friction of traditional WAF rule writing by letting non-specialists define controls in plain English. The automatic test case generation validates policies before deployment, addressing a genuine gap in how most teams validate coverage without manual testing cycles. Skip this if you need mature SIEM integration or deep forensics; Impart is purpose-built for runtime protection and policy authoring, not investigation and response.
API security platform for discovery, monitoring, and protection at edge
AI-powered runtime protection platform for WAF, API, and AI security
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Common questions about comparing Fastly API Security vs Impart AI for your api security needs.
Fastly API Security: API security platform for discovery, monitoring, and protection at edge. built by Fastly. Core capabilities include Automatic API discovery at edge network, Detection of new and unintentional API calls, Integration with Next-Gen WAF for API traffic protection..
Impart AI: AI-powered runtime protection platform for WAF, API, and AI security. built by Impart Security. Core capabilities include Conversational policy creation using natural language, Automatic test case generation for policy validation, Rule Creation Assistant for OWASP Top 10 and API vulnerabilities..
Both serve the API Security market but differ in approach, feature depth, and target audience.
Fastly API Security differentiates with Automatic API discovery at edge network, Detection of new and unintentional API calls, Integration with Next-Gen WAF for API traffic protection. Impart AI differentiates with Conversational policy creation using natural language, Automatic test case generation for policy validation, Rule Creation Assistant for OWASP Top 10 and API vulnerabilities.
Fastly API Security is developed by Fastly. Impart AI is developed by Impart Security. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.
Fastly API Security and Impart AI serve similar API Security use cases: both are API Security tools, both cover WAF. Review the feature comparison above to determine which fits your requirements.
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