Fastly API Security vs Levo Runtime Application Security: Side-by-Side Comparison (2026)

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..

Levo Runtime Application Security: Runtime application security platform for API and AI stack protection. built by Levo. Core capabilities include Runtime API and AI asset discovery and monitoring, Authentication scope and identity capture for machine-to-machine traffic, Unified runtime graph connecting APIs, agents, LLMs, and MCP servers..

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. Levo Runtime Application Security differentiates with Runtime API and AI asset discovery and monitoring, Authentication scope and identity capture for machine-to-machine traffic, Unified runtime graph connecting APIs, agents, LLMs, and MCP servers.

Fastly API Security is developed by Fastly. Levo Runtime Application Security is developed by Levo. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Fastly API Security and Levo Runtime Application Security serve similar API Security use cases: both are API Security tools. Review the feature comparison above to determine which fits your requirements.