Will I be forced to upgrade if I am under an old, “grandfathered” price plan? Until August 1st, 2018 you can remain on any grandfathered plan to which you are already subscribed. Related articles What happens if I exceed the maximum number of monthly mailings in my Lob Print & Mail Edition? I'm trying to integrate Lob with Zapier but I don't see how to input the merge fields for my template. How is Lob’s Address Verification API priced? I’ve updated my credit card - how can I pay outstanding invoices? What is the difference between the Standard, Enhanced, and Premium Print Delivery Network?