Back to All Tools
OWASP API4 & IETF Rate-Limit Header Engine

API Rate Limit & Header Analyzer

Inspect HTTP response headers to evaluate API throttling policies, quota limits, remaining requests, and retry delays. Defend against unrestricted resource consumption and brute-force abuse.

API Rate Limit & Header Analyzer

OWASP API4 / RFC Draft

Inspect IETF standard, X-RateLimit, and Retry-After HTTP headers to evaluate API throttling, burst limits, and DoS defense posture.

Presets:
IETF RFC Draft RateLimit Header Field & OWASP API Security Top 10 API4:2023.
HTTP/1.1 & HTTP/2 Probe

IETF & Vendor Quota Parsing

Dissects RateLimit-Limit, RateLimit-Remaining, X-RateLimit-*, and Retry-After headers.

Edge WAF & Gateway Detection

Detects upstream edge proxies including Cloudflare, AWS CloudFront, and Fastly to verify Layer-7 traffic protection.

OWASP API4:2023 Compliance

Flags unthrottled endpoints prone to automated credential stuffing, token exhaustion, and denial of service.