Postcode API

The Postcode API is not meant to stand alone. It allows developers to add additional filters to their queries to narrow down the results. For example, appending the filter postcode=sw1a2aa will limit the results to addresses in the vicinity of SW1A2A. This method does not incur any lookup costs if the postcode is invalid. Multiple terms can be separated by commas. They are combined into a single result set.

A postcode query returns a list of postcodes that match the specified criteria. The result includes information related to outward addresses. Using the API's free version, you can also search for a random postcode. The resulting list of addresses will contain geolocation data for the outward code. The free version is only supported in experimental and test mode. The cost will be higher for a full version. Alternatively, you can pay monthly or yearly for a more expensive plan.

The Postcode API is available in three interfaces: REST, JSON, and XML. In order to use the API, you must have a postcode database. The API will provide addresses of various locations in the world. The free version is the most popular. By using the API, you can be assured that the addresses returned are accurate and deliverable. The free API allows you to search for premises from any country.