PostCoder Web
FREE
By allies
Updated a year ago

PostCoder Web API Documentation

A simple UK postcode lookup API with the latest Royal Mail addresses. Sign up for a free trial or buy credits on our website. Note: You will need to purchase credits to go live.

Learn more about this API
GETAddress and Geocoding lookup
GETGeocoding with Postcode
GETPostcode lookup web API
GETAddress and Geocoding lookup

Address lookup with geocoding information in one call. Sign up for a free trial or try it out here. Note: You will need to purchase credits to go live.

Header Parameters
X-RapidAPI-HostSTRING
REQUIRED
X-RapidAPI-KeySTRING
REQUIRED
Required Parameters
postcodeSTRING
REQUIREDPostcode to lookup (or first part of the address)
search-keySTRING
REQUIREDUnique identifier associated with your account (our example key is limited to NR14 7PZ) Sign up on our website to get your key.
Optional Parameters
linesSTRING
OPTIONALNumber of lines used to display each address
Code Snippet
Install SDK
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Install SDK for (Node.js)Unirest

OAuth2 Authentication
Client ID
Client Secret
OAuth2 Authentication