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Head-to-head · Address Verification Software

Smarty Address Verification vs PostGrid Address Verification

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Smarty Address Verification #1 in Address Verification Software 9.4/10 42-day trial Free trial✓ 5 of 5 features Visit Smarty
PostGrid Address Verification #2 in Address Verification Software 9.3/10 Paid ✓ 5 of 5 features Visit PostGrid

Smarty Address Verification leads on 0 checks, PostGrid Address Verification on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSmarty Address Verification · 9.4/10
  • Free trialonly Smarty Address Verification

Smarty Address Verification scores higher on our rubric for address verification software: 9.4 against 9.3 out of 10; our editors rank them #1 and #2.

Smarty Address Verification is the better fit for broad, production-grade address verification. PostGrid Address Verification is the better fit for teams needing integrations and global validation.

  • Smarty Address Verification fits best

    Broad, production-grade address verification

  • PostGrid Address Verification fits best

    Teams needing integrations and global validation

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Smarty Address Verification 9.4/10 Visit ↗ PostGrid Address Verification 9.3/10 Visit ↗
At a glance
Editor score 9.4 9.3
Ranking #1 in Address Verification Software #2 in Address Verification Software
Best for Broad, production-grade address verification Teams needing integrations and global validation
Pricing model Paid Paid
Starting price $17/unit/mo $18/mo
Free plan — —
Free trial 42 days —
Deployment Cloud, Self-hosted Cloud
Platforms Web, iOS, Android Web
Support Email, Live chat, Phone, Docs Email, Docs · 24/7
Compliance SOC 2, HIPAA SOC 2, GDPR, HIPAA, PCI DSS
Integrations 5 integrations 1,600+ integrations
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Smarty Address Verification 5/5 · PostGrid Address Verification 5/5
API access ✓ ✓
Batch validation ✓ ✓
Address correction ✓ ✓
Address standardization ✓ ✓
Address autocomplete ✓ ✓
Specs
International coverage Global Global
Our review
Pros
  • Verifies US addresses against authoritative datasets and postal formats
  • Supports international verification across 250 countries and territories
  • Combines APIs, batch uploads, autocomplete, geocodes, and integrations
  • Validates, corrects, standardizes, parses, and enriches addresses
  • Supports batch processing, autocomplete, geocoding, and reverse geocoding
  • Integrates with Salesforce, Shopify, HubSpot, Zapier, and more
Cons
  • No free plan beyond the 42-day, 1,000-lookup trial
  • Local deployment is available only for selected APIs
  • AI features are not included
  • No free plan is available
  • Paid access starts at $18 per month with annual billing
  • Enterprise pricing is tailored rather than publicly listed
Our verdict

Smarty Address Verification is a paid address data service for organizations that need to check, correct, standardize, and enrich postal addresses. It fits shipping, ecommerce checkout, customer records, billing, healthcare, insurance,…

Read the review →

PostGrid Address Verification is an API-based service for validating, correcting, standardizing, parsing, and enriching postal addresses. It is designed for teams managing websites, CRMs, shipping workflows, and other applications that…

Read the review →
  1. Smarty Address VerificationAddress Verification Software 9.442-day trial
  2. PostGrid Address VerificationAddress Verification Software 9.3Paid

Strengths and trade-offs

  • Smarty Address Verification — where it wins

    • Verifies US addresses against authoritative datasets and postal formats
    • Supports international verification across 250 countries and territories
    • Combines APIs, batch uploads, autocomplete, geocodes, and integrations

    Where it doesn't

    • No free plan beyond the 42-day, 1,000-lookup trial
    • Local deployment is available only for selected APIs
    • AI features are not included

  • PostGrid Address Verification — where it wins

    • Validates, corrects, standardizes, parses, and enriches addresses
    • Supports batch processing, autocomplete, geocoding, and reverse geocoding
    • Integrates with Salesforce, Shopify, HubSpot, Zapier, and more

    Where it doesn't

    • No free plan is available
    • Paid access starts at $18 per month with annual billing
    • Enterprise pricing is tailored rather than publicly listed
  • Smarty Address Verification9.4/10 · 42-day trial

    A broad address data toolkit with strong API, batch, correction, and global coverage.

    Visit SmartyFull verdict →
  • PostGrid Address Verification9.3/10 · Paid

    A capable global validator for teams that need integrations and flexible workflows.

    Visit PostGridFull verdict →

More comparisons

All address verification software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update