Unverified50% confidenceFactExact time
Anthropic documentation explicitly requires clients to honor the retry-after header in 429 responses.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/19/2026
First Seen
Valid until: 1/17/2027
Sources
Related Entities
Related Claims
UnverifiedFor HTTP 429, the Retry-After header should be checked, and if present, its value should be used instead of the computed backoff delay.70% similarUnverifiedAn Anthropic API 529 error indicates service overload and is usually accompanied by a Retry-After header; the official guidance is to retry 529 errors following a backoff strategy.68% similarUnverified当API限流时会返回429状态码（Too Many Requests），通常附带Retry-After响应头指示等待时间65% similarUnverifiedGateway rate-limit detection typically relies on analyzing upstream response status codes; upon receiving an HTTP 429 response, it is necessary to parse information such as Retry-After or X-RateLimit-Remaining to dynamically adjust the account's available status64% similarUnverifiedWhen a data source returns 429, it means you are being rate-limited, and countermeasures such as backoff, increasing caching, or adding a second key can be taken; 429 is not a model problem.59% similar
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