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Lob Address Verification

US and international address verification and autocomplete API from Lob.

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CategoryGeocoding & Address Validation
AuthenticationAPI key
PricingFree tier
Websitehttps://www.lob.com/address-verification
Docshttps://www.lob.com/address-verification
Last checked2026-10-14
As JSON/api/v1/directory/lob-address-verification.json