post
https://sandbox.lithic.com/v1/cards//embed
Creates a short-lived session for displaying card details or setting a card PIN in
Lithic-hosted iframes. Create the session on your backend to not expose your API key in browser code.
A session token can only be used to reveal card details (per embed type) or submit a pin a single time. Attempting to
re-use session tokens will result in 401's.
