Postcoder Developer documentation
Examples, tutorials, and API references to help you start building with Postcoder.
Address lookup API
The fastest, most reliable way to capture accurate addresses
Postcode lookup
Works with UK postcodes and Irish Eircodes, or any part of an address.
Read documentation ➜Address autocomplete
Autocomplete UK and Irish addresses in real-time with predictive corrections.
Read documentation ➜Additional data fields
Include one or more address data fields, coordinates, census data, NHS data & government data.
Read documentation ➜All other endpoints
Browse our full list of endpoints, including AddressBase Premium and international addresses.
Read documentation ➜
Email validation API
Confirm your customer's data at the point of entry with email validation.
Email validation
Validate email addresses by checking whether they're capable of receiving email, the address has correct syntax, presence of MX record and whether the server is a catch all.
Read documentation ➜
Mobile validation API
Confirm your customer's data at the point of entry with mobile validation.
Mobile validation
Validate mobile phone numbers, see which network they are connected to and see if they have been connected in the last 12 hours.
Read documentation ➜