File and workflow limits

These limits are enforced by the current product interfaces or public API.

Resource	Limit
Agent import package	One `.pa` file up to 2 MB
Knowledge base document	PDF only, up to 5 MB per file
Voice-cloning clip	WAV, MP3, FLAC, OGG, M4A, or WebM under 10 MB
Contact-group upload	One `.csv`, `.xlsx`, or `.xls` file up to 21 MB
API outbound batch	Up to 1,000 recipients
Shared agent link	Expires after 1, 3, 7, or 15 days; up to 20 opens
Knowledge base name	Up to 128 characters
Knowledge base description	Up to 512 characters
Agent API name	Up to 64 characters
Agent API description	Up to 512 characters
Workspace API keys	One active key at a time

Limits can differ from provider quotas and workspace permissions. A campaign’s concurrency cannot exceed the workspace concurrency available to it.