The Aggregate Query API (AQuA) is a REST API that executes multiple Export ZOQL or ZOQL queries. The queries are performed in a sequential order and in a single read-only database transaction.
AQuA enforces the following limits:
The maximum processing time per query is 3 hours. If a query in an AQuA job is executed for longer than 3 hours, this job will be killed automatically. See the best practices for bulk data extraction with AQuA.
AQuA enforces limits on both the stateful concurrent AQuA jobs and the stateless concurrent AQuA jobs per tenant:
For more information about the Aggregate Query API(AQuA), see Aggregate Query.