Best Address Verification Software in 2026
Updated
In short: Addrex Address Validation API is ranked #1 of 31 as of 4 October 2026, ahead of Melissa Global Address Verification and PostGrid Address Verification. The best-ranked option with a free plan is Melissa Global Address Verification. The lowest first paid tier on this page is PostGrid Address Verification at $18/mo.
Address verification tools can help check address data before it moves through customer, mailing, or other business workflows. Compare address correction and standardization with autocomplete, then consider batch validation and API access in light of how your records are handled. International coverage may be important for cross-border needs, while free plans and paid-from pricing help frame cost. Smarty Address Verification, PostGrid Address Verification, and Melissa Global Address Verification are among the first entries, followed by Lob Address Verification and Hopewiser Address Validation. Use the listed capabilities to compare what fits your validation process, whether you check individual entries or handle addresses in batches.
31 address verification software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | API access | |
|---|---|---|---|---|---|---|---|---|
| 1 | Addrex Address Validation API | 7.3 | RecognisedAPIDocumented | $39/mo | Yes | 39 /mo | Yes | View |
| 2 |  Melissa Global Address Verification | 7.3 | RecognisedAPIDocumented | $40/mo | Yes | 40 /mo | Yes | View |
| 3 | PostGrid Address Verification | 7.3 | RecognisedAPIDocumented | $18/mo | No | 18 /mo | Yes | View |
| 4 | Hopewiser Address Validation | 7.2 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 5 | Lob Address Verification | 7.2 | RecognisedAPIDocumented | $260/mo | Yes | 20 /mo | Yes | View |
| 6 | Informatica Product 360 | 6.8 | RecognisedAPIDocumented | — | No | — | Yes | View |
| 7 | Precisely EnterWorks | 6.8 | RecognisedAPIDocumented | — | — | — | Yes | View |
| 8 | Smarty Address Verification | 6.7 | RecognisedAPIDocumented | $46/mo | No | 17 /mo | Yes | View |
| 9 | Addressfinder | 6.6 | RecognisedAPIDocumented | A$19/mo | No | — | Yes | View |
| 10 |  PostalUp | 5.5 | RecognisedAPIDocumented | — | Yes | 29 /mo | Yes | View |
| 11 |  PostNL Address Validation API | 5.5 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 12 | Addressr | 5.4 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 13 | AFD Postcode | 5.1 | RecognisedAPIDocumented | — | — | — | Yes | View |
| 14 | Experian Address Validation | 5.1 | RecognisedAPIDocumented | — | — | — | Yes | View |
| 15 | Oracle PeopleSoft Campus Solutions Financial Aid | 5.1 | RecognisedAPIDocumented | — | No | — | — | View |
| 16 | AddressZen | 5.0 | RecognisedAPIDocumented | — | No | — | Yes | View |
| 17 | Byteplant Address Validator | 5.0 | RecognisedAPIDocumented | — | No | — | Yes | View |
| 18 |  DOTS Address Validation – US 3 | 5.0 | RecognisedAPIDocumented | — | No | — | Yes | View |
| 19 |  Fetchify | 5.0 | RecognisedAPIDocumented | — | No | — | Yes | View |
| 20 |  UPU POST*CODE API | 5.0 | RecognisedAPIDocumented | — | — | — | Yes | View |
| 21 | Addresser | 4.9 | RecognisedAPIDocumented | — | No | — | Yes | View |
| 22 |  Addressify | 4.9 | RecognisedAPIDocumented | — | No | — | Yes | View |
| 23 |  Google Maps Platform Address Validation API | 4.9 | RecognisedAPIDocumented | — | No | — | Yes | View |
| 24 |  Ideal Postcodes Address Finder | 4.9 | RecognisedAPIDocumented | — | No | — | Yes | View |
| 25 | Oracle Predictive Cash Forecasting | 4.9 | RecognisedAPIDocumented | — | No | — | — | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which address verification software is ranked first on Inferse?
Addrex Address Validation API is ranked #1 of 31 with a score of 7.3. Melissa Global Address Verification is second and PostGrid Address Verification third.
How many of these have a free plan?
3 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, PostGrid Address Verification has the lowest first paid tier we found: $18/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.