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PostGrid Address Verification vs Smarty Comparison (2026)

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PostGrid Address Verification logo

PostGrid Address Verification

Smarty logo

Smarty

Overview

PostGrid Address Verification can validate, verify, and autocomplete physical addresses in real time to eliminate return mail. Verify addresses across 250+ countries and territories globally

Smarty address verification empowers organizations to clean and standardize their address data via our lightning-fast APIs. If you collect or store address data, Smarty can help you improve your deliveries, enhance data analysis, and streamline operations.

  • Platforms supported
  • Web-based
  • iPhone app
  • Android app
  • Windows Phone app
  • Typical customers
  • Freelancers
  • Small businesses
  • Mid size businesses
  • Large enterprises
  • Customer support
  • Phone
  • Online
  • Knowledge base
  • Video tutorials
view more detailsview details
  • Platforms supported
  • Web-based
  • iPhone app
  • Android app
  • Windows Phone app
  • Typical customers
  • Freelancers
  • Small businesses
  • Mid size businesses
  • Large enterprises
  • Customer support
  • Phone
  • Online
  • Knowledge base
  • Video tutorials
view more detailsview details

Video & Screenshots

Pricing

Starting from

Free

  • Free trial available
  • Credit cardless trial
  • Free account
  • Subscription based

Starting from

17

Per month

  • Free trial available
  • Credit cardless trial
  • Free account
  • Subscription based

User reviews

5.0

28

5

4

3

2

1

28

0

0

0

0

  • Value for money
  • Ease of use
  • Features
  • Customer support
100%
would recommend this app

4.9

91

5

4

3

2

1

80

11

0

0

0

  • Value for money
  • Ease of use
  • Features
  • Customer support
91%
would recommend this app

Pros

“Their service utilizes an API, so some technical expertise is needed for implementation.”
GR

Graham R.

Marketing Expert

“The detailed API documentation provided by PostGrid is fantastic.”
EL

Elling L.

Marketing Associate

“I don't have anything from the fact that you have to write code to use api”
Verified reviewer profile picture

Richard H.

Software Developer

Pros

“SmartyStreets delivers exactly what we need — reliable, fast, and accurate address verification. Since implementing their US address validation, we’ve drastically reduced the amount of returned mail we receive.”
KB

Kenny B.

Director of Product Management

“The product is very robust, from a user and a developer perspective. When I’ve had questions about address records, customer service was able to provide very good insight. And the database seems very nearly complete, for the US anyway.”
SP

Susan P.

E-commerce consultant

“It's fast in response even though we implemented it using a proxy on our app server and not hitting the APIs directly, it's still fast.”
TC

Tapesh C.

IT Lead - Patient Systems

Cons

“Incorrect addresses often lead to shipping errors and disputes, resulting in costly chargebacks.”
GR

Graham R.

Marketing Expert

Cons

“This made it slightly harder for me to navigate the site and get my simple task done.”
MH

Michael H.

Happiness Engineer

“This is limiting for us since we deal with land parcels that are not developed and our customers cannot find the addresses.”
MR

Madhav R.

SVP, Product and Engineering

“Canada being in a separate search, it makes sense, but I wasted some of my searches because I didn't realize they were mixed in.”
AM

Ashley M.

Office Manager

  • Vendor responds to reviews
  • Last review2 years ago
  • Vendor responds to reviews
  • Last review9 months ago

Key features

  • Total features26
  • AI/Machine Learning
  • API
  • Access Controls/Permissions
  • Activity Dashboard
  • Address Validation
  • Autocomplete
  • Automatic Formatting
  • Compliance Management
  • Contact Database
  • Contact Management
  • Customer Database
  • Customizable Rules
  • Data Cleansing
  • Data Discovery
  • Data Enrichment
  • Data Extraction
  • Data Import/Export
  • Data Profiling
  • Data Quality Control
  • Data Security
  • Data Verification
  • Demographic Data
  • Electronic Forms
  • For eCommerce
  • Geocoding
  • Geographic Maps
  • Geolocation
  • Geotargeting
  • Match & Merge
  • Metadata Management
  • Multi-Language
  • Multiple Data Sources
  • Recipient Validation
  • Reporting & Statistics
  • Reporting/Analytics
  • Role-Based Permissions
  • Search/Filter
  • Single Sign On
  • Third-Party Integrations
  • User Management
  • Widgets
  • Total features30
  • AI/Machine Learning
  • API
  • Access Controls/Permissions
  • Activity Dashboard
  • Address Validation
  • Autocomplete
  • Automatic Formatting
  • Compliance Management
  • Contact Database
  • Contact Management
  • Customer Database
  • Customizable Rules
  • Data Cleansing
  • Data Discovery
  • Data Enrichment
  • Data Extraction
  • Data Import/Export
  • Data Profiling
  • Data Quality Control
  • Data Security
  • Data Verification
  • Demographic Data
  • Electronic Forms
  • For eCommerce
  • Geocoding
  • Geographic Maps
  • Geolocation
  • Geotargeting
  • Match & Merge
  • Metadata Management
  • Multi-Language
  • Multiple Data Sources
  • Recipient Validation
  • Reporting & Statistics
  • Reporting/Analytics
  • Role-Based Permissions
  • Search/Filter
  • Single Sign On
  • Third-Party Integrations
  • User Management
  • Widgets

Integrations

  • Total integrations1
  • Google Sheets
  • Guidewire
  • Postman
  • QGIS
  • Salesforce Marketing Cloud
  • Total integrations4
  • Google Sheets
  • Guidewire
  • Postman
  • QGIS
  • Salesforce Marketing Cloud