When registering a SAT Link, you can choose to use credentials (RFC and password) or e.firma (certificate, private key, and password).
If you choose to use e.firma, Belvo can surpass the limit and download up to 200 000 invoices per day (this functionality is currently in BETA).
If the link is created with an RFC and password the daily limit is 2000 invoices.
Contact us at support@belvo.co if you are interested in being part of this BETA.