Geocoding API

Lookup coordinates and geo data for UK places and IP addresses

Return longitude and latitude   Reverse lookup   Delivered as a web service

Geocoding for web forms and mobile apps

Longitude and latitude

Return the coordinates and geodata for postcodes and addresses.

Reverse lookup

Translate a coordinate position from a map or a GPS to an address.

IP to location

Retrieve the country, city and coordinates for an IP address.

Quick setup

Install on a website or app in the same way as you integrate Google Maps or PayPal.

Payment models

Pay for lookups in advance and use optional auto top-up, or pay monthly or yearly.


Supports HTTPS to ensure your lookups are securely encrypted from end to end.

Try our geocoding demo

See how it works with a UK postcode or your IP address

A simple API for developers

Sign up for an API key and get free lookups to try

Cross platform UK geocoding using the PostCoder Web API

Easy to integrate examples
Secure HTTPS requests
Reporting tools and usage alerts
30ms average response time
>99.99% uptime
Enterprise SLA available

API documentation
Get your API key

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