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API requests are rate-limited to 2,000 requests per 10-minute window per API credential. List endpoints cost 10 credits per call; all other endpoints cost 1 credit.

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Response headers

Rate limit status is returned on every response:
HeaderDescription
X-Rate-Limit-LimitMaximum requests allowed in the current window
X-Rate-Limit-RemainingRequests remaining in the current window
X-Rate-Limit-ResetSeconds until the window resets

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Exceeding the limit

When the limit is exceeded, the API returns 429 Too Many Requests. Wait for the window to reset before retrying — check the X-Rate-Limit-Reset header for the number of seconds remaining.
Monitor X-Rate-Limit-Remaining in your integration to throttle requests before hitting the limit, rather than reacting to 429 errors.

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Credit costs

Endpoint typeCredits per call
List endpoints (e.g., GET /events, GET /registrants)10
All other endpoints1