All applications using the API should quote “Powered by LG Inform Plus” linking to esd.org.uk.
Some API responses contain National Statistics data © Crown copyright and database right 2019. Postcode lookups are derived from Code-Point® Open.
Any site using the API needs to follow the User policy, paying particular attention to Schedule C of the policy: DIRECT DATA FEED VIA API – APPLICATION PROGRAMMABLE INTERFACE. Contact esd support with any queries.