17.9
Addresser validates Australian and New Zealand addresses, email addresses, and phone numbers in real time or in batches.
Free planAndroidiOSWeb
Best Address Verification Software in 2026
Keeping address records usable can involve more than checking whether an address is valid. Compare address correction and standardization with autocomplete, and consider batch validation or API access in relation to how you process records. International coverage may be important for your needs, while free-plan availability and paid-from pricing help frame cost. Melissa Global Address Verification, Addrex Address…
27.9
AddressZen provides address lookup, autocomplete, validation, and verification for US and international addresses.
Free planAndroidiOSWeb
37.6
Addressify is a cloud-based API for Australian address checking and processing in websites, forms, apps, and business systems.
AndroidiOSWeb
- 4
Melissa Global Address Verification
Melissa Global Address Verification checks, corrects and formats addresses for mailing in more than 250 countries and territories.
Free planWebAPILinuxSelf-hosted7.1From $40 a month - 5
Smarty Address Verification
Smarty Address Verification checks, standardizes and validates US addresses against address data.
AndroidiOSWebAPI7.0From $552 a year - 6
Ideal Postcodes Address Finder
Ideal Postcodes Address Finder adds address autocomplete to online forms and uses fuzzy matching to correct common address-entry mistakes.
AndroidiOSWebAPI6.8 - 7
Lob Address Verification
Lob Address Verification corrects and standardizes address data to help determine whether an address can be delivered.
Free planWebAPI6.8From $260 a month - 8
6.6From $39 a month - 9
PostalUp
PostalUp provides ZIP code databases and an address validation API for working with U.S.
Free planWebAPI6.6From $19 a year - 10
Hopewiser Address Validation
Hopewiser Address Validation checks UK and international addresses in real time and provides postcode lookup, with the stated aim of reducing errors,…
WebAPILinuxSelf-hosted6.5 - 11
Loqate Address Verification
Loqate Address Verification verifies, corrects, and enriches address records by parsing, matching, formatting, and transliterating them.
WebAPISelf-hosted6.5 - 12
PostNL Address Validation API
PostNL Address Validation API checks address data entered in a webshop or CRM, including Netherlands and international addresses.
Free planWebAPI6.5€0.02 one-time - 13
PostGrid Address Verification
PostGrid Address Verification checks, standardizes, autocompletes and enriches addresses for delivery across the U.S., Canada and 245+ countries and territories.
WebAPISelf-hosted6.4From $18 a month - 14
AFD Postcode
AFD Postcode is software for speeding address entry in Windows or DOS programs.
WebWindows6.3From $13 a month - 15
AddressComplete
AddressComplete provides real-time address suggestions and validation while users enter an address or postal code.
WebAPI6.2$35 usage-based - 16
Addressfinder
Addressfinder verifies addresses, email, and phone numbers, and provides real-time form autocomplete and bulk data cleansing.
WebAPI6.2From A$19 a month - 17
Fetchify
Fetchify provides business tools for verifying addresses, email, phone numbers, and UK bank details through web services and an API.
WebAPI6.2 - 186.2
- 19
Addressr
Addressr provides Australian address search, validation, and autocomplete through an API or self-hosted software.
Free planWebAPISelf-hosted6.1Free plan - 20
Byteplant Address Validator
Byteplant Address Validator checks postal addresses against reference data to assess deliverability and suggest corrections.
WebAPIWindows6.1 - 21
DOTS Address Validation – US 3
DOTS Address Validation – US 3 is a paid API and web service for validating, correcting, and standardizing United States mailing and shipping addresses against USPS data.
WebAPI6.0 - 22
UPU POST*CODE API
UPU POST*CODE API verifies international addresses with official locality names and postcode data from UPU member countries.
WebAPI6.0 - 23
XVerify
XVerify checks email addresses, phone numbers, and postal addresses to help improve data quality and email deliverability.
WebAPI6.0$5 one-time - 24
Google Maps Platform Address Validation API
Google Maps Platform Address Validation API checks address components, standardizes addresses for mailing and identifies the best known geocode.
WebAPI5.9 - 25
5.6