PAF certified · ISO 27001 · Since 2006
UK postcode lookup and address validation
Royal Mail PAF data, typical API responses under 100ms, from 2.2p a search. Fill the address as they type the postcode.
30 million addresses · Daily PAF updates · No setup fee.
Used across UK organisations
Switching from GetAddress.io? Their service has been discontinued. ePostcode is a ready alternative.
Migration guide →Lookup, validate, cleanse
UK address data for checkout, CRM and the warehouse. One credit is one search.
- Postcode lookup From 2.2p Type-ahead on the postcode. 30 million PAF addresses, daily updates. Details →
- Address validation Same credits Check and standardise a UK address against Royal Mail. UPRN optional. Details →
- Data cleansing Quoted Batch match, format and de-duplicate the list you already hold. Details →
- MCP server Same API Address lookup for Claude, ChatGPT and other tools on the Model Context Protocol. Details →
Pricing
Credit packs. No setup fee. No monthly platform minimum.
| Service | From | Notes | |
|---|---|---|---|
| Postcode lookup | 2.2p | 1 credit per search | Calculator |
| Address validation | Same credits | UPRN +1 credit if you want it | Details |
| Data cleansing | Quoted | Batch jobs against PAF | Talk to us |
| Enterprise SLA | £99 / month | 100% uptime contract | Details |
Credits last 12 months, or roll if you use 1,000 or more a month. All + VAT. Volume calculator.
Why teams use it
Faster forms, fewer failed deliveries, records that match Royal Mail.
-
Under 100ms
Typical lookup time for autocomplete on checkout and onboarding.
-
PAF certified
Royal Mail licensed Postcode Address File. Daily updates, 30 million UK addresses.
-
REST and SOAP
Documented APIs and working examples. MCP if the client is an agent.
-
UK support
ISO 27001 and ISO 9001. The same Etellect team that has run the service since 2006.
Need a 100% uptime contract on the lookup path? Enterprise SLA is £99 a month, or £990 a year.
Enterprise SLA →Same group. Adjacent services.
Payments and bank validation sit next to address lookup.
Open an account.
Start on credits. No card for the trial. The same PAF API we have run since 2006.
Create a free account



































