A validation credit covers one file going through one full validation + setup-sheet generation cycle. Most of what you'd think 'should be free' is in fact free.
Action
Charges?
Notes
Upload + first validation run
1 credit
The validation pass and setup sheet are produced.
Re-run validation on the same file (no edits)
Free
Cached result; useful if you want a fresh timestamp.
Re-run after editing settings (hoop, fabric, machine)
Free
Same uploaded file, new validation context.
Re-upload an edited version of the same file
1 credit
Different bytes = different validation pass.
Export to DST / PES / JEF / EXP / VP3 / XXX / SEW
Free
Export is unlimited once a file has been validated.
Download setup sheet as PDF
Free
Unlimited downloads of the same sheet.
Add a teammate
Free
Seats are included with the workspace.