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Best PostNL Address Validation API Alternatives in 2026

Updated

20 apps from address verification software ranked against PostNL Address Validation API on the same published basis.

  1. 1
    Melissa Global Address Verification Free plan apiLinuxself-hostedWebWin $40/mo7.1
    PostNL Address Validation API vs Melissa Global Address Verification
  2. 2
    Addrex Address Validation API Free plan apiWeb $39/mo6.8
    PostNL Address Validation API vs Addrex Address Validation API
  3. 3
    AddressZen Free plan apiextensionWeb Free6.7
    PostNL Address Validation API vs AddressZen
  4. 4
    Lob Address Verification Free plan apiWeb $260/mo6.7
    PostNL Address Validation API vs Lob Address Verification
  5. 6
    Smarty Address Verification Free trial AndroidapiiOSLinuxMac $46/mo6.6
    PostNL Address Validation API vs Smarty Address Verification
  6. 7
    Byteplant Address Validator Free trial apiWebWin 6.4
    PostNL Address Validation API vs Byteplant Address Validator
  7. 8
    Hopewiser Address Validation Free trial apiLinuxself-hostedWebWin 6.4
    PostNL Address Validation API vs Hopewiser Address Validation
  8. 9
    Informatica Product 360 apiself-hostedWebWin 6.3
    PostNL Address Validation API vs Informatica Product 360
  9. 10
    PostGrid Address Verification Free trial apiself-hostedWeb $18/mo6.2
    PostNL Address Validation API vs PostGrid Address Verification
  10. 11
    Precisely EnterWorks apiWebWin 6.2
    PostNL Address Validation API vs Precisely EnterWorks
  11. 12
    Addressfinder Free trial apiWeb A$19/mo5.9
    PostNL Address Validation API vs Addressfinder
  12. 13
    Fetchify Free trial apiWeb £25/mo5.9
    PostNL Address Validation API vs Fetchify
  13. 14
    Oracle PeopleSoft Campus Solutions Financial Aid WebWin 5.9
    PostNL Address Validation API vs Oracle PeopleSoft Campus Solutions Financial Aid
  14. 15
    AFD Postcode WebWin 5.8
    PostNL Address Validation API vs AFD Postcode
  15. 16
    Experian Address Validation Web 5.7
    PostNL Address Validation API vs Experian Address Validation
  16. 17
    Precisely Data Enrichment Web 5.7
    PostNL Address Validation API vs Precisely Data Enrichment
  17. 18
    Addressr Web 5.6
    PostNL Address Validation API vs Addressr
  18. 19
    PostalUp Web 5.6
    PostNL Address Validation API vs PostalUp
  19. 20
    UPU POST*CODE API Web 5.6
    PostNL Address Validation API vs UPU POST*CODE API
  20. 21
    Addresser Web 5.4
    PostNL Address Validation API vs Addresser

PostNL Address Validation API alternatives compared

#AppScoreFree planFromRuns on
1Melissa Global Address Verification7.1Free plan$40/moAPI, Linux, self-hosted, Web, Windows
2Addrex Address Validation API6.8Free plan$39/moAPI, Web
3AddressZen6.7Free planFreeAPI, Browser, Web
4Lob Address Verification6.7Free plan$260/moAPI, Web
6Smarty Address Verification6.6No$46/moAndroid, API, iOS, Linux, Mac, self-hosted, Web, Windows
7Byteplant Address Validator6.4No—API, Web, Windows
8Hopewiser Address Validation6.4No—API, Linux, self-hosted, Web, Windows
9Informatica Product 3606.3No—API, self-hosted, Web, Windows
10PostGrid Address Verification6.2No$18/moAPI, self-hosted, Web
11Precisely EnterWorks6.2No—API, Web, Windows
12Addressfinder5.9NoA$19/moAPI, Web
13Fetchify5.9No£25/moAPI, Web
14Oracle PeopleSoft Campus Solutions Financial Aid5.9No—Web, Windows
15AFD Postcode5.8No—Web, Windows
16Experian Address Validation5.7No—Web
17Precisely Data Enrichment5.7No—Web
18Addressr5.6No—Web
19PostalUp5.6No—Web
20UPU POST*CODE API5.6No—Web
21Addresser5.4No—Web
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Questions about PostNL Address Validation API alternatives

What is the best alternative to PostNL Address Validation API?

Melissa Global Address Verification, number 1 in address verification software with a score of 7.1 out of 10. The others here: Addrex Address Validation API, AddressZen, Lob Address Verification and 16 more.

What is the best free alternative to PostNL Address Validation API?

Melissa Global Address Verification is the best-ranked alternative with a free plan. 4 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on.