Address validation catches errors before they cause failed deliveries. See how our API validates UK addresses.
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UK address validation API
Validate and standardise UK addresses in real time with a PAF-backed API.
No card required · Royal Mail PAF-verified data
Trusted UK address intelligence
31M+
UK addresses
1.8M
Postcodes
99.9%
Uptime
PAF-verified address lookup
Fast REST API & no-code plugins
GDPR-friendly, UK-hosted