Smarty Address Verification vs Lob Address Verification

Smarty Address Verification9.4Visit Lob Address Verification8.9Visit

Higher score Smarty Address Verification #1 in Address Verification Software 9.4/10 42-day trial Free trial✓ 5 of 5 features Visit Smarty

vs

Lob Address Verification #6 in Address Verification Software 8.9/10 Free plan Free plan✓ 5 of 5 features Visit Lob

• Smarty Address Verification fits best

  Broad, production-grade address verification

• Lob Address Verification fits best

  US-focused startups with international needs

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 ↗	Lob Address Verification 8.9/10 Visit ↗
At a glance
Editor score	9.4	8.9
Ranking	#1 in Address Verification Software	#6 in Address Verification Software
Best for	Broad, production-grade address verification	US-focused startups with international needs
Pricing model	Paid	Free plan + paid
Starting price	$17/unit/mo	$20/mo
Free plan	—	✓ (best)
Free trial	42 days	—
Deployment	Cloud, Self-hosted	Cloud
Platforms	Web, iOS, Android	Web
Support	Email, Live chat, Phone, Docs	Email, Docs
Compliance	SOC 2, HIPAA	SOC 2, GDPR, HIPAA, SSO/SAML
Integrations	5 integrations	1 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Smarty Address Verification 5/5 · Lob 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	Free Developer plan with API access US and international verification with correction and standardization Autocomplete, bulk verification, and deliverability insights
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	International autocomplete is not available The integration option is Shopify Paid pricing increases for monthly billing
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 →	Lob Address Verification is an API service for businesses that need cleaner customer address data across websites, forms, databases, and software workflows. It checks whether mailing addresses are valid and deliverable, then can correct… Read the review →

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

• Lob Address Verification — where it wins

  • Free Developer plan with API access
  • US and international verification with correction and standardization
  • Autocomplete, bulk verification, and deliverability insights

  Where it doesn't

  • International autocomplete is not available
  • The integration option is Shopify
  • Paid pricing increases for monthly billing

• Smarty Address Verification9.4/10 · 42-day trial

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

  Visit SmartyFull verdict →
• Lob Address Verification8.9/10 · Free plan

  A broad address validation API for US-focused startups with international needs.

  Visit LobFull verdict →