Postcodes.io

Postcodes.io provides UK postcode data through a simple web service built for high volumes of requests. It checks postcodes in real time, handles bulk lookups, finds locations from coordinates, searches by distance, and returns clear data such as latitude, longitude, and local authority areas. This helps you capture accurate addresses, run distance searches, confirm service coverage, route enquiries to the right team, and produce geographic reports. It is designed to stay reliable under heavy use, with built-in controls to manage errors, limit traffic spikes, and keep response times consistent.