Real-time serial validation for HubSpot form?
We have a product registration form with a Serial/Authenticity Code field. We want the form field to validate the code against a list stored in HubSpot before submission. What’s the best pattern you’ve used—e.g., store codes in a custom object/HubDB and validate via Forms API callbacks + a serverless/private app endpoint? Any examples or gotchas?
How have others accomplished this? Not sure if this api related or not, so please let me know.