### Answer
I don't have information about a maximum number of calls allowed in a single batch based on the available sources. The documentation describes how to create batch calls and mentions that batch calling "queues your calls without hitting concurrency limits" [(1) ](
) , but it does not specify a maximum limit on the number of tasks/calls per batch.
Check out these potentially useful sources:
- [Create Batch Call API](
)
- [Create Batch calls](
)
- [Batch Calling Changelog](
)
For specific limits on batch call sizes, I'd recommend reaching out to Retell support directly via [Contact Sales](
) .
Would you like me to try to provide a general answer based on my knowledge instead?