# What do I need to do to unlock the second stage: Catalyst?

Published 2024-09-05

> Invite other businesses and you will earn $20 credit for 4 successful referrals. You can choose to redeem it right then or wait until you collect all $40 credits. Just let us know which feature you'd like to upgrade by e

Invite other businesses and you will earn $20 credit for 4 successful referrals. You can choose to redeem it right then or wait until you collect all $40 credits. Just let us know which feature you'd like to upgrade by emailing your preference via growth @ erxes.io.

Once you successfully invite 8 other companies, you will unlock this stage and become an **erxes Catalyst**!