Developer guide

WordPress plugin install guide

Install the AutoPostcode WordPress plugin and add UK postcode lookup to WordPress and WooCommerce checkout. Step-by-step setup with your API key.

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The AutoPostcode plugin adds UK postcode lookup to WordPress and WooCommerce without writing code.

Install in four steps

  • Upload and activate the AutoPostcode plugin in WordPress
  • Create an API key in your dashboard and paste it into plugin settings
  • Enable lookup on your forms or WooCommerce checkout fields
  • Test a lookup on the front end and confirm fields populate

WooCommerce

For store-specific tips, see WooCommerce postcode lookup and our WordPress implementation guide.

Prefer code?

Developers can call the API directly from PHP. See authentication & keys first.

Frequently asked questions

How do I install the AutoPostcode WordPress plugin?

Upload and activate the plugin, paste your API key in its settings, and enable address lookup on your forms or WooCommerce checkout.

Does it work with WooCommerce?

Yes — the plugin adds UK postcode lookup and address autocomplete to WooCommerce billing and shipping fields.

Where do I get my API key?

Create a key in your AutoPostcode dashboard, then paste it into the plugin settings.

Ready to get started?

Add Royal Mail PAF-verified UK address lookup to your site in minutes — start free, no card required.