PRODUCTS
Three UK data APIs. One key.
Postcode & address lookup, email validation and phone validation — all on Royal Mail PAF and live carrier data, all pay-per-lookup.
THREE APIS
All the UK data you'll ever validate.
GET /address
Address lookup
Full UK PAF coverage — 30M addresses. Postcode in, structured address out. Royal Mail synced nightly.
Read docsGET /email
Email validation
Syntax, MX records, SMTP handshake, and disposable detection. Includes typo suggestions (gmial → gmail).
Read docsGET /phone
Phone validation
UK mobile, landline, and VoIP detection with carrier lookup. Normalises to E.164 — or rejects.
Read docsReady in under a minute.
Sign up, grab a key, paste it in. Your first hundred lookups are on us.