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Hi there - Kristina from Moz's Help Team here. A batch of 10 URLs will count as 10 rows and you would need to wait 10 seconds before making the next query. If you make your next query too quickly you will be hit with a throttle which lasts 30 seconds. If you make another query during that period, you potentially could push that 30 second throttle even further out. I hope this helps! In the future, feel free to email our team anytime at help@moz.com and someone from our team will be happy to help out! Have a great day. -Kristina