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Public APIs · by APILayerData from public-apis (MIT)
  1. Home
  2. /Geocoding
  3. /Postcodes.io
Geocoding
Postcodes.io logo

Postcodes.io

Postcode lookup & Geolocation for the UK.

Postcodes.io API is a free Geocoding API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.

Authentication
None required
HTTPS
Yes
CORS
Yes
Category
Geocoding
Visit documentation ↗postcodes.io

About Postcodes.io

Search, validate and geolocate UK postcodes. Retrieve the latest administrative and geospatial information for postcodes

Provider
Postcodes.io
Website
postcodes.io ↗

Details from postcodes.io.

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Postcodes.io API alternatives

P

PostcodeData.nl

Provide geolocation data based on postcode for Dutch addresses

No authNo HTTPSCORS ?
PostalCodes logo

PostalCodes

Postal code search, country exports, and address validation data

No authHTTPSCORS ?
Postali logo

Postali

Mexico Zip Codes API

No authHTTPSCORS
Queimadas INPE logo

Queimadas INPE

Access to heat focus data (probable wildfire)

No authHTTPSCORS ?
PostalCodeCheck logo

PostalCodeCheck

City, region and coordinates for 887,000+ postal codes across 95 countries

No authHTTPSCORS
REST Countries logo

REST Countries

Get information about countries via a RESTful API

No authHTTPSCORS

Postcodes.io API FAQ

Who provides the Postcodes.io API?

The Postcodes.io API is provided by Postcodes.io (postcodes.io). Search, validate and geolocate UK postcodes. Retrieve the latest administrative and geospatial information for postcodes

Is the Postcodes.io API free?

Yes. The Postcodes.io API is listed in the Geocoding category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.

Does the Postcodes.io API require an API key?

No. The Postcodes.io API requires no authentication, so you can start making requests without signing up.

Can I call the Postcodes.io API from the browser?

Yes. The Postcodes.io API supports CORS, so front-end JavaScript can call it directly.

Does the Postcodes.io API support HTTPS?

Yes. The Postcodes.io API is served over HTTPS, so it's safe to use in production.