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Rate limits

Per-key quotas and the related headers.

Quotas apply per key and are reported back through response headers.

Headers

X-RateLimit-Limitinteger

Requests allowed in the current window.

X-RateLimit-Remaininginteger

Requests remaining in the current window.

Retry-Afterseconds

How long to wait after a 429 before retrying.

Quotas

Rate limits are per API key. When you exceed one, the API answers 429 with a Retry-After header saying how many seconds to wait. Local, keyless use is not rate limited. See Rate limits for the headers that report your remaining quota.