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Functions and Workflows both live under Routines. Both can run Clay logic programmatically and support batch execution. Choose based on where you want to build the logic.

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Use functions when

Use functions for:
  • Existing Clay enrichment waterfalls.
  • Common jobs handled by Clay-managed functions.
  • Team-specific functions that are already trusted.
  • Backend jobs and agents that just need to call the logic.
  • Batch execution where the function already does what you need.

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Use Workflows when

Use Workflows when you want to build and edit outside the Clay UI. Workflows are in Alpha. Use them for:
  • Agent-built flows in Claude Code, Codex, or Cursor.
  • CLI-first iteration, validation, testing, and debugging.
  • Multi-step flows that benefit from run inspection and snapshots.
  • Flows that need code inside the process.
  • Large runs where you want to avoid the 50,000 row limit.
Workflows are in Alpha. For common enrichment and existing reusable logic, start with Clay-managed functions or custom functions.