Q: Are there restrictions on the number of API requests or volume of data that can be processed within a given period through the ZAB API?
A: While ZoneBilling itself doesn’t have specific rate limits on the number of API requests or the volume of data processed, the overall limits are governed by your NetSuite service tier. This means the restrictions on how many concurrent requests you can make will depend on NetSuite’s system limits rather than any specific limitations set by ZoneBilling.
More can be found on concurrency by tier in the NetSuite support documents.