Unverified50% confidenceSolutionExact time
Through reverse proxies such as Nginx or Caddy, the request frequency of a single IP or IP range can be limited, directly returning a 429 status code when the threshold is exceeded.
1
Sources
50%
Confidence
Long-term
Relevance
10/13/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedIn response to abnormally high-frequency requests, site operators can apply rate limiting or blocking for specific IP ranges at the firewall or reverse proxy layer (such as Nginx or Cloudflare).71% similarUnverifiedAnthropic对API使用有严格的地域和频率限制，通过VPN访问时IP频繁变动容易触发风控导致账号被封禁68% similarUnverifiedThe official MusicBrainz API employs a rate-limiting policy that allows a maximum of one request per second per IP, returning a 503 error when the limit is exceeded.67% similarUnverifiedHTTP status code 429 (Too Many Requests) is the standard response mechanism used by servers to implement rate limiting.66% similarUnverifiedHTTP status code 429 indicates server-side rate limiting, usually accompanied by a Retry-After header; HTTP 403 indicates access is directly denied, possibly due to an IP blacklist, a User-Agent identified as a crawler, or missing authentication information.63% similar
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