address.ukpost.validate
Validate UK postcodes for form validation and data cleaning. Checks if a postcode has valid format and exists using Postcodes.io.
Instructions
Check if a UK postcode is valid and exists — returns true/false. Use for form validation or data cleaning (Postcodes.io)
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| postcode | Yes | UK postcode to validate (e.g. "SW1A 1AA"). Returns true if valid format and exists |