Limits at a glance

Item	Limit
Retry attempts per step	Up to 100, backoff up to 60 seconds
Parallel instances per fan-out step	64
Process in chunks of	10 to 100,000 records
Nested loops / nested sub-flows	8 / 8
Loop-back edge maximum repeats	10,000
AI agent step	Up to 50 steps and 40 tools
HTTP request URL / headers	2,048 characters / 64 headers and 64 query values
Code step script, Transform Module	100 KB each
Rhai work	50,000 operations per expression, 500,000 per record, 5,000,000 per All-records step
Convert JSON: CSV / XML input	4 MB, 100,000 rows / 1 MB
Form grid	6 columns; 1 to 100 rows per page in a records grid
Webhook custom path	64 characters
Runs API wait	60 seconds
Webhook or API call body	4 MB
Reverse proxy answer from your backend	16 MB unless the proxy settings set another limit, at most 50 MB
SCIM token lifetime	366 days
Knowledge search passages	1 to 50
Plan limits (runs, flows, users, storage and more)	See Usage & limits