Errors and limits

HTTP status	Meaning	Action
401	Missing, invalid, revoked, or expired API key	Check the key
402	Insufficient credits	Check the balance
403	Scope or access denied	Check key scope and endpoint access
404	Endpoint or resource not found	Verify the path and identifier
405	Wrong HTTP method	Use the method in the reference
409	Idempotency conflict or request in progress	Retry the original request later
422	Invalid or unsupported parameters	Correct the inputs
429	Request limit reached	Wait before retrying
503	Provider or required service unavailable	Retry later or contact support

By default, authenticated traffic is limited to 60 requests per minute for each key. The browser tester has its own visitor and global limits, and source-side restrictions can be tighter. A failed collection must retain a failure status even when no records are returned.

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