Unverified50% confidenceFactExact time
Mastra's AI SDK retry layer honors the Retry-After response header when encountering a 429.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/18/2026
First Seen
Valid until: 1/16/2027
Sources
Related Entities
Related Claims
UnverifiedSome APIs explicitly inform the client how many seconds to wait via the Retry-After response header in a 429 response, which is more precise than blind backoff.70% similarUnverifiedThe fallback mechanism in AI API calls is typically implemented through a priority list, automatically retrying the next available model when the primary model returns a timeout, 429 rate limit error, or 503 service interruption.68% similarUnverifiedOnce the limit is exceeded, the API returns an HTTP 429 status code, and Meta recommends an exponential backoff strategy with jitter, an initial delay of about 500 milliseconds, and paying attention to the Retry-After header in the response64% similarUnverifiedThe Exponential Backoff retry mechanism automatically waits and retries upon encountering API rate limiting, ensuring system robustness.62% similarUnverifiedBuilding a fallback chain that automatically switches to the next provider and retries when a provider returns 429 can improve the overall availability of an application62% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1060325API
curl https://kongchang.com/api/v1/knowledge/claims/1060325MCP
get_claim(id=1060325)