--- title: "What is the execution time limit for my function?" url: https://docs.catalyst.zoho.com/en/faq/serverless/functions-exec-limit/ description: "In Catalyst Serverless, Basic I/O and Advanced I/O functions can run for up to 30 seconds. Event, Cron and Job functions can run for up to 15 minutes. The Cron …" last_updated: 2026-11-13T05:00:22Z service: Serverless type: faq --- In Catalyst Serverless, Basic I/O and Advanced I/O functions can run for up to 30 seconds. Event, Cron and [Job functions](https://docs.catalyst.zoho.com/en/serverless/help/functions/job-functions/) can run for up to 15 minutes. The Cron component is deprecated. Use the [Job Scheduling services](https://docs.catalyst.zoho.com/en/job-scheduling/help/jobpool/introduction/), which run Job functions, for your cron requirements.