AddressZen
7.9#2 in address verification software$49 one-timeFree planAndroidiOSWebAPI
VisitAddressZen vs StreetVerify Address Verification API
StreetVerify Address Verification API
5.6#26 in address verification softwareWebAPI
VisitWhat both publish
| Fact | AddressZen | StreetVerify Address Verification API |
|---|---|---|
| Security | AddressZen says its information security management system was recertified to ISO 27001 in 2025 and that its certification streak began in 2020. | API requests use bearer-token API keys, and the documentation advises keeping keys out of client-side code and public repositories. |
AddressZen plans
- FreeFree
- Free for 1 yearFree
- 1,400 verified addresses$49, paid once
- 5,000 verified addresses$149, paid once
- 14,000 verified addresses$349, paid once
- 55,000 verified addresses$1,000, paid once
StreetVerify Address Verification API plans
- Pay-as-you-go$0.01, paid once
Pick AddressZen if…
AddressZen suits businesses and developers that need to validate, standardize, or suggest US and international addresses. Its API and integrations may fit websites and forms that collect address details.
Pick StreetVerify Address Verification API if…
You want what its maker publishes above — check its page for the details.