Passage by 1Password vs. Postcoder

Are you tired of passwords? So are your customers. Give them the passwordless future they deserve – without building it yourself. Passage is a modern authentication service that enables you to implement passkey sign-in flows to your app or website with just a few lines of code. Choose the approach that works best for your project: Passkey Flex -- Add passkey logins alongside your existing auth solution. Avoid the hassle of migrating systems and allow users to sign in with passkeys or their traditional username and password.

Postcoder is an address lookup and customer data verification API developed by Allies Computing. Used by over 10,000 organisations worldwide, Postcoder helps businesses capture and verify customer data at the point of entry by bringing address lookup and autocomplete, bank validation, email validation, mobile validation, and OTP verification together in a single integration.