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Popular guides
How to find the ZIP+4 Code for an addressDiscover easy methods to find the ZIP+4 Code for any address, enhancing your mail accuracy and delivery speed with our step-by-step guide.
How to verify an address with the USPSEnsure your mail reaches its destination by learning how to verify addresses with USPS. Our guide simplifies the process for you.
How to write a PO Box addressMaster the correct way to write a PO Box address with our clear examples and tips, ensuring your mail is always correctly addressed.
How to find address geocodesGet precise location data by learning how to find address geocodes. Our comprehensive guide makes geocoding straightforward and efficient.
How to fix the USPS insufficient address errorFrustrated with the USPS insufficient address errors? Our troubleshooting guide provides practical solutions to fix these issues quickly.
How to reverse geocodeUncover the process of reverse geocoding to convert coordinates into usable addresses with our detailed and easy-to-follow instructions.
How to tell if an address is residential or commercialDetermine if an address is residential or commercial with our helpful guide, making it easier to plan deliveries and services.
USPS Address Verification | Pros and Cons
Learn how to verify and standardize addresses with USPS, understand its limitations and see better options.
What are ZIP+4 Codes?
ZIP+4 Codes are the last 4 digits of a nine-digit ZIP Code. A nine-digit ZIP Code is made of two parts.
County FIPS Codes
How to lookup county FIPS Codes by address, ZIP Code and city. County FIPS Codes are 5-digit numbers that identify each county in the United States.
How Government Services Benefit from Address Data Intelligence
With millions of addresses in the US alone, it can be a pain to ensure that your database is accurate. See how Smarty ensures accuracy for the city of Miami.
Address Line 1 Meaning, Uses, Placement, and Examples
Address Line 1 contains house numbers, street names, and suffixes, among other data points. We've compiled all you need to know here, check it out now!
Google Address Validation API | What Google Isn't Telling You
Check out how Google's address validation API stacks up against Smarty's legendary and lightning-fast address validation API. We have all you need here!
Address autocomplete
Suggests validated street addresses for users as they type to streamline processes. Learn more.
Address autocomplete
Address Autocomplete is a form feature that predicts and suggests addresses. Address Autocomplete APIs reduce keystrokes & typos. Learn More. Learn more.
Address cleansing
Have some addresses that you need to clean? We'll explain the process and how to do it. Learn more.
Address correction
Reviewing postal addresses for accuracy and completeness for enhanced insights. Learn more.
Address data
The components that make up an address or the information surrounding it. Learn more.
Address data glossary
Learn about the many terms surrounding address data and what they mean for you and your business.
Address data intelligence benefits for government services
Government agencies benefit from address data intelligence in many different ways. Learn more.
Address data management "like a boss"
If you need to collect address data for your business, then you need that data to be accurate.
Address exception handling
Managing addresses not found in an authoritative database due to various factors. Learn more.
Address false positives
False positives can damage a company's reputation, disrupt process flow, and much worse. Learn more.
Address Line 1
Should contain the building or house number, predirectionals, street name, and more. Learn more.
Address line 1 meaning, uses, placement, and examples
Address Line 1 contains house numbers, street names, and suffixes, among other data points. We've compiled all you need to know here, check it out now! Learn more.
Address Line 2
A field that allows users to add secondary address information, such as unit numbers. Learn more.
Address line 2 meaning, uses, placement, and examples
Address line 2 is an address field allowing users to add secondary address information, like apartments, suites, and PO Boxes numbers, Learn more now! Learn more.
Address lookup
Learn the differences between reverse address lookups, parcel address lookups, and people search.
Address lookup
Access free verification address lookup tools now. Learn the differences between reverse address lookups, parcel address lookups, and people search lookups. Learn more.
Address parsing
Taking an address or a string of text and breaking that address into parts. Learn more.
Address parsing
Address parsing refers to the process of taking an address or a string of text and breaking that address into components. Read all about it here! Learn more.
Address standardization
Converts addresses to match national postal formats. Find out how it happens and why it's important.
Address standardization
Address standardization converts addresses to match the national postal format. Standard address formats designate spelling, punctuation, etc. Learn more.
Address standardization & validation
Address standardization and validation are 2 data quality services that Smarty provides. Learn more.
Address standardization and validation
Address standardization and address validation are two services we provide. But what's the difference between them? Learn more.
Address standardization APIs
An application programming interface (API) that can automatically standardize and validate addresses.
Address standardization APIs: What they are & how to use them
Learn about address standardization APIs to help you optimize your address data. Standardization APIs format addresses to local postal standards, ensuring accurate and deliverable data. Learn more.
Address standardization during data entry
If you deal with addresses, Smarty has some tips. Start by validating and standardizing an address.
Address transliteration & how it's used in address validation
Converting characters in one alphabet to another while preserving phonetic representation.
Address validation services software & tools compared
Many companies offer address validation services. Here's a comparison to help you meet your needs.
Address verification
Address verification matters for your bottom line and improves your operations overall. Learn more.
Address verification services
Tools/workflows that verify addresses are real, complete, and mailable to reduce returns and bad data.
AI address validation: Can you really verify an address with AI?
AI address validation (also referred to as AI address verification) is the sometimes unpredictable and inaccurate process of checking that an address is valid or verified using Large Language Models (LLMs) like ChatGPT, Claude, Gemini, Deepseek, and more. Learn more.
Alias locations: What they are and why they matter
What's an alias location? Why does it matter? We'll walk you through it. Learn more.
Alternatives to Google's Geocoding API
Google's Geocoding API is widely known, but there are other, affordable options to consider.
AVS vs. address validation
AVS vs address validation boils down to credit card fraud prevention vs. postal accuracy.
AVS vs. address validation: What's the difference?
Discover the differences between AVS (Address Verification System) for credit card fraud prevention and Address Validation for ensuring deliverable mailing addresses. Learn why both are essential as a secure e-commerce and shipping solution. Learn more.
Batch geocode or batch geocoding
Uploading a spreadsheet or list of addresses to geocode in one fell swoop. Learn why it's valuable.
Benefits of effective address correction
Smarty's address correction software works for individual and bulk address verification. Integrate address correction directly into your systems today! Learn more.
Best address validation services, software & tools compared
Address validation software can be offered in many forms depending on your needs and available technology. Check out our comparison article now! Learn more.
Best ecommerce checkout practices
Reduce cart abandonment and boost conversions with mobile-friendly checkout, guest options, and multiple payment methods. Ensure trust with pricing. Learn more.
Best geocoding API
How to choose the most accurate and best geocoding API for your use-case by comparing 3 top geocoding providers. Learn more.
Can I validate an address using addMarker with the Google Maps API?
The addMarker method in the Google Maps API doesn't offer address validation. However, we'll show you a workaround by geocoding the address first. Learn now. Learn more.
Can I validate an address while using Google Maps' addMarker?
No. How was that for a fast answer? Google Maps's mapping service doesn't validate addresses.
Canada Post
Learn about Canada Post and how to use Smarty APIs to validate Canadian postal addresses.
Canada Post - Smarty
Canada Post | How to use Smarty APIS to validate Canadian postal addresses. Learn more.
CASS processing
Here, you can learn about CASS processing, why it's important, and why we have it at Smarty.
Changing street addresses
Why ZIP Codes and other address parts change, the problems this creates, and how to manage changes.
Common configurations when setting up Smarty's address autocomplete
Fine-tune address autocomplete using Smarty’s API parameters for a customizable experience.
Common configurations when setting up Smarty's Address Autocomplete
Discover how to fine-tune address autocomplete using Smarty’s API parameters—limit results, prioritize areas, include non-USPS addresses, and more. Learn more.
Complete guide to address data
Discover how address data impacts shipping, verification, geocoding, marketing, lead generation, and data quality management now! Learn more.
Comprehensive guide to formatting international addresses
Best practices for formatting international addresses and boosting your ROI with Smarty's products.
Comprehensive guide to formatting international addresses
Explore best practices for formatting international addresses, verification, and reducing errors with Smarty's tools to ensure successful global mail delivery. Learn more.
Converting an address to coordinates
Discover why converting a street address to latitude and longitude coordinates is vital for businesses.
County data
County data may surprise you, and having that information gives you a leg up on your competition.
County FIPS Codes
County FIPS Codes are 5-digit numbers used to designate each county across the United States.
Cross-border ecommerce solutions: Simplifying global checkout
Choosing the right cross-border ecommerce solutions makes global shopping easier for your customers. It also helps your B2C ecommerce operations increase sales, reduce fraud, avoid routing errors, and save time, especially in customer service. Learn more.
Data consolidation & merging datasets using addresses
Combining all of an organization's data into one list, eliminating duplicates & standardizing info.
Data consolidation & merging datasets using addresses
Consolidating your organization’s data requires taking data from source files, removing errors, and storing it in a single integrated location. Read now! Learn more.
Data governance
A set of principles and standards that dictate the organization and unification of data.
Data governance
Data Governance is a set of principles and standards that dictate the organization and unification of data. Learn more about data governance here. Learn more.
Data management
Facilitating data control and flow, from the data's creation to processing, accessing, and deleting it.
Data management: When good data goes bad
Data Management - Why it Matters & How to Do it Right. Useful tips on how to prevent bad data and avoid some of its frightening costs. Learn more.
Data security with Smarty
Smarty doesn't sell, distribute, persist the storage of, or in any way abuse your data. Learn more.
Decimal degrees & what they mean
Smarty provides geocodes formatted as decimal degrees and delivers a 5 or 6-decimal geocode.
Decimal degrees & what they mean
Explore decimal degrees for latitude and longitude coordinates. Find out why having latitiude and longitude is a simpler system than DMS now! Learn more.
Delivery Point Validation (DPV)
Wondering about Delivery Point Validation (DPV)? We'll explain what it is, AND how you can use it.
Deutsche Post
Learn about the German Postal Service and how to validate an address in Germany using Smarty.
Does Google parse and / or standardize addresses?
Google doesn’t consistently parse address data, and there are other limitations to consider, too.
Ecommerce automatic address verification
Stop cart abandonment and shipping failures. Automatic address verification streamlines checkouts.
Ecommerce automatic address verification
Stop cart abandonment and shipping fails. Smarty's automatic address verification makes checkouts fast and accurate. Try it free for 42 days. Learn more.
Ecommerce checkout best practices
Reduce cart abandonment and boost conversions with mobile-friendly checkout, guest options, and more.
Excel batch geocoding & validating addresses
Batch geocode and validate addresses in Excel using Smarty’s plugin. Here's how to do it well.
FFIEC geocoding
Optimize financial reporting with FFIEC Geocode and Smarty's solutions. Enhance your data quality.
FFIEC geocoding - What it is & how to use it
Optimize financial reporting with FFIEC Geocode and Smarty's solutions. Enhance data quality in industries like insurance and real estate with geocoding now! Learn more.
Find a county by using a ZIP Code
If you know the ZIP Code or city for an address, you can find out what county it's located in easily.
Finding a quality address validation API
There are two main qualities that will help you determine if an address validation API is a good. Learn more.
Finding a quality address validation API
Looking for an Address Validation API? Here are some things to consider before you commit. Learn more.
Free knowledge
Knowledge is important, and here at Smarty, we want to share knowledge where we can. Find out for yourself all Smarty has to offer now! Learn more.
French postal codes & the French address format
Here's how to find a French postal code and examples of France's address format. Learn more now.
French postal codes and the French address format
How to find a French postal code and the France address format. Learn more now. Learn more.
Geocodes
The GPS coordinates (or the latitude and longitude) of a physical address. Enhance your data.
Geocoding
Finding geographical coordinates for an address or place is possible. Here's how to do it well.
Geocoding APIs: Esri vs. Smarty & Google
Geocoding APIs are out there, but how do you choose the right one for your organization? Read on.
Geocoding services
Looking for good geocoding services? We provide you popular geocoding options [and discuss] how they compare in accuracy, speed, maps, limitations and price. Learn more.
Geocoding software for telecommunications
Discover how rooftop-accurate geocoding helps telecoms plan smarter networks, qualify service faster, reduce costs, and boost satisfaction with precision. Learn more.
Global address autocomplete
Suggest/Autocomplete global addresses as users type to boost conversions and cut manual entry errors.
Google address validation
We’ll cover where Google Address Validation excels. We’ll also cover the API’s lacking key features/functionality that may be crucial for you. Learn more.
Google address validation API
Google's address validation API vs. Smarty's API. Let's talk facts.
Google Address Validation API
Check out how Google's address validation API stacks up against Smarty's legendary and lightning-fast address validation API. We have all you need here! Learn more.
Google Sheets address validation - How to verify & geocode
Learn to validate and geocode addresses in Google Sheets with Smarty’s extension. Start verifying US addresses and enhancing your data accuracy today. Learn more.
Google Sheets geocoding & address validation
Learn to validate and geocode addresses in Google Sheets with Smarty’s extension.
Google’s geocoding API: Is there any good alternative?
Google’s Geocoding API is one of the most popular tools for converting addresses into coordinates. Learn how it works and explore key features here. Learn more.
How 61 strategies help telecoms use address data effectively
Unlock telecom success with US address verification and geocoding. See their role in network optimization and customer satisfaction with real examples now! Learn more.
How eLOT (enhanced line of travel) from USPS saves money
Discover how Enhanced Line of Travel (eLOT) makes mail delivery and bulk mailing simple. See how our address tools make eLOT lookups effortless now! Learn more.
How government services benefit from address data intelligence
With millions of addresses in the US alone, it can be a pain to ensure that your database is accurate. See how Smarty ensures accuracy for the city of Miami. Learn more.
How many false positives is your address tool spitting out?
Address false positives are dangerous for businesses because it can lead to lost revenue, increased liability, and upset customers Smarty has the solutions! Learn more.
How often should I re-verify addresses? - Smarty
How often should I reverify addresses in my database? Learn more.
How to add or change an address in Google Maps
This guide walks you through how to add or change an address on Android, iPhone/iPad, and desktop—and what to try when Google doesn’t update the info right away. Learn more.
How to batch geocode and validate addresses in Excel
Batch geocode and validate addresses in Excel with Smarty’s plugin. Install, authenticate, and validate your addresses easily. Download and try it now. Learn more.
How to batch geocode for the most precise results
To batch geocode, or perform batch geocoding, is the process of uploading a spreadsheet or list of addresses to a software provider. Learn more.
How to convert an address to coordinates
Discover why transforming addresses-to-coordinates (conversion of street address to latitude and longitude coordinates) is vital for businesses. Find out now! Learn more.
How to evaluate the ROI of good address data
Learn how to calculate ROI after address data implementation.
How to find latitude and longitude of an address
Learn how to find latitude and longitude of an address, improve accuracy, and use geocoding for better data, mapping, and business insights. Read more. Learn more.
How to use APIs for address validation, standardization & more
Learn about the different types of Address APIs and how to use them for address autocomplete, validation, standardization, enrichment, and geocoding. Learn more.
How to validate an address using JavaScript, Regex, & more
How do I validate and standardize an address using JavaScript, Regex, .Net, Etc? Learn more.
How to write a mailing address - Format + examples
Wondering how to write a mailing address? Smarty has you covered with our comprehensive guide including formats and examples. Read more now! Learn more.
HTTP explained
"HyperText Transfer Protocol" is the computer communication protocol used most on the Internet.
Implementing additional parameters to address autocomplete in HubSpot
Enhance Smarty's autocomplete in HubSpot forms with parameters to filter by state and more. Read on.
Implementing additional parameters to autocomplete in HubSpot
Enhance Smarty's autocomplete in HubSpot forms with parameters like filtering by state, prioritizing ZIP Codes, and limiting results for faster experiences. Learn more.
Implementing US Address Autocomplete in HubSpot
Enhance CRM data with US Address Autocomplete in HubSpot. Create custom HTML forms for your business.
Implementing US Address Autocomplete in HubSpot
Enhance CRM data with US address autocomplete in HubSpot. Create custom HTML forms, integrate Smarty’s API, and reduce errors for better campaigns. Learn more.
Insurance data management: Address verification is a cornerstone
Discover why address verification is the cornerstone of insurance data management. Improve accuracy, compliance, and customer experience. Read more. Learn more.
International address validation & foreign address formats
Want to look up and validate international addresses? We’ll show you how to do it well.
International address validation & foreign address formats
Want to lookup and validate international addresses? We will show you how to verify and standardize the address to the accepted format of 250 countries. Learn more.
International geocoding
Learn how to perform international geocoding by matching a mailing address to the most accurate lat-long coordinates anywhere in the world. Learn more.
International geocoding: Around the GPS in 80 days
Geocoding uses a postal address to identify the GPS lat/long coordinates of that location.
Is move-update / NCOA required?
NCOA usually costs ~ $200 in "setup fees" with a varying price/address. We don’t provide NCOA service.
Is move-update/NCOA required? - Smarty
Are you wondering if Move-Update/NCOA is Required? We've gathered dos and don'ts, as well as some helpful tips to save you time and money. Find out how! Learn more.
Is there an open-source address scrubber?
Looking for an open source address scrubber? This article will help you find what you are looking for. Check out the article now! Learn more.
Is there any preference between a street address and PO Box?
Street address vs PO Box? Which does the USPS prefer? Learn more.
KYC (Know Your Customer) checklist
Know Your Customer (KYC) checklist: CIP, CDD, EDD, and ongoing monitoring—steps, best practices, and tools. See how address intelligence streamlines compliance. Learn more.
KYC fraud: How to detect and prevent it
Protect your business from KYC fraud with Smarty's address verification tools. Detect scams, prevent theft, and stay compliant with advanced KYC systems. Learn more.
LACSLink® - Smarty
Wondering what LACSLink® is and why it's important? Smarty has you covered in this informational article. Read about it for yourself now. Learn more.
LACSLink® explained
Wondering what LACSLink® is and why it's important? Smarty has the answers here.
Latency explained
Network latency is simply referring to the delay in communication across different networks.
Location intelligence for insurance solutions
Boost underwriting, claims, and risk management with advanced location intelligence and rooftop-accurate geocodes for better decisions. Learn more.
Mailable, shippable & deliverable addresses
The difference between mailable, shippable, and deliverable addresses is important to understand.
Maintaining data security with Smarty
Data Security - How Smarty keeps your data safe. Learn more.
Mappable vs. Valid
A "mappable" address isn’t necessarily "valid" or officially recognized (mailman-deliverable).
Mastering address exception handling in your validation process
Uncover the benefits of smooth customer service through Address Exception Handling and Smarty APIs, ensuring precise validation. Dive into our potent developer solutions today. Learn more.
My geocode service won't give me ZIP+4 Codes. Why?
You want to get the ZIP+4 Code for an address, but what do you do if your provider doesn't have them?
My geocode service won't give me ZIP+4 Codes. Why?
Learn why geocoding services like Google Maps fail to deliver precise ZIP+4 codes and how Smarty's address validation unlocks USPS-sourced accuracy. Learn more.
National address databases
National databases are used beyond mailing, including market research, data management, and more.
Non-USPS / non-postal addresses
Discover why USPS skips some addresses and how Smarty’s database includes 20M+ non-USPS addresses.
Open-source address scrubbers
Open source or free? They mean different things and can change how you approach address cleansing.
Personally identifiable information (PII)
PII (personally identifiable information) is data that permits the identification of an individual.
PO Box vs. street address: Does the USPS have a preference?
Address verification tips PO Box vs physical address Does the USPS have a preference We ll tell you how to find out Learn more.
PO Box–only ZIP Codes
Is there a list of ZIP Codes where the USPS doesn't deliver to physical addresses? Yes.
PO Box–Only ZIP Codes
PO Box only ZIP Codes contain addresses where mailbox mail delivery is not offered. Areas served only by PO Boxes receive a “P” classification. Learn more.
Popular lat / long providers
Need lat/long coordinates associated with a physical address? Here's what you're looking for.
Postal address examples & formats
Every country has a different mailing address format. Knowing the format before sending matters.
Postal address keys as persistent unique identifiers
Learn all about address keys and why they need to be PUIDs (persistent, unique identifiers).
Postal address keys as persistent unique identifiers - Smarty
Learn all about address keys and why they need to be persistent unique identifiers to solve your address and data management problems. Read here. Learn more.
Postal codes
Postal codes are strings of numbers (and sometimes letters) that help postal services determine where...
Project US@
Project US@ is a pioneering initiative with technical guidelines and standards to format data.
Project US@ healthcare address standardization
Discover Project US@, boosting healthcare data with standardized patient addresses. Explore the impact on patient matching and privacy benefits now! Learn more.
Property data
Understand property data, from real estate attributes to ownership details for better market analysis.
Property data: What it is and how to use it
Explore the depth of property data, from real estate attributes to ownership details, and see how Smarty's APIs can enhance your insights. Learn more.
Qualified health information networks (QHIN)
Qualified health information networks (QHINs) are digital spaces where health information is shared.
Re-verifying address data frequency and timelines
Keep your address data up to date; we recommend performing address verification at least every 90 days.
Rejected address meaning
I just ran some rejected addresses. What does that mean? We'll tell you.
Rejected address? What does that mean? - Smarty
If you are encountering rejected addresses you may be worried something is wrong. This simply means that Smarty is working right? Learn more in this article! Learn more.
Residential address vs. commercial address: How they differ (and why it matters)
The differences between residential and commercial mailing addresses affect anyone who’s trying to send mail to these address types. Learn more.
Residential Delivery Indicator (RDI)
What is RDI/where can you find it? Read on to learn more about the Residential Delivery Indicator.
Reverse geocoding
Convert latitude and longitude coordinates (a geocode) to an address using US Reverse Geocoding.
Reverse geocoding
What is reverse geocoding and how to convert latitude and longitude coordinates (a geocode) to an address via reverse geocoding API. Learn more.
Royal Mail
Curious about how to format an address to England? We've got you covered with address facts here.
Royal Mail postcode finder: How to use it (and a faster alternative)
The Royal Mail postcode finder is the UK’s official online tool for looking up accurate addresses and their corresponding postcodes in the United Kingdom. Learn more.
Salesforce address autocomplete integration with Smarty: Key features and benefits
The Salesforce address autocomplete (powered by Smarty) adds verified address lookup directly into Salesforce address fields. Learn more.
Saving money with Enhanced Line of Travel (eLOT) from USPS
Discover how Enhanced Line of Travel (eLOT) makes mail delivery and bulk mailing simple.
Secondary address - What they are and how to use them
Unlock the potential of secondary address data with Smarty's US Secondary Address Data. Access over 56 million addresses to improve delivery accuracy now! Learn more.
Secondary addresses
Unlock the potential of secondary address data with Smarty's US Secondary Address Data.
Service level agreements
An SLA (service level agreement) is a part of a standardized service contract. Learn more.
Should I give the validated address to my client to review?
Why should I present the validated address back to my client for review? You don't have to, but it's best practice to do so. Read now to find out more! Learn more.
Smarty and personally identifiable information
Personally Identifiable Information is any information that permits the identification of an individual, directly or indirectly This is how Smarty handles PII Learn more.
Street addresses vs. PO Box
From a financial standpoint, the USPS prefers to deliver mail to a PO Box. Find out why.
Telecom strategies for address data
Unlock telecom success with US Address Verification and geocoding. See their role in network optimization.
The difference between "mappable" and "valid" addresses
How to validate addresses when mapping services like Google Maps, Waze, and Apple Maps don't. Learn more.
The USPS address validation API
Using the USPS® API for address validation? You may want to consider other options for getting USPS address data. Here's a few reasons why. Learn more.
Truck rolls & reducing cost
Discover what a truck roll is, why it's costly for businesses, and how you can reduce expenses.
Understanding Anti-Money Laundering (AML) and Know Your Customer (KYC) compliance
Learn the differences between AML and KYC compliance, why they matter, and how address data strengthens fraud prevention and regulatory reporting. Learn more.
Understanding mailable, shippable, and deliverable addresses
Learn the difference between mailable, shippable, and deliverable addresses to optimize logistics and reduce costs with Smarty’s validation tools. Learn more.
Understanding the Google Autocomplete API
How does Google's address autocomplete work? Where does it fall short? Why is Smarty a better fit? Let's dive in. Learn more.
Unique ZIP Codes
Some organizations (large businesses, universities, or government agencies) receive unique ZIP Codes.
Unique ZIP Codes - What they are and how to use them
Unique ZIP Codes are for large organizations with internal mail systems. Smarty's API helps verify these addresses to prevent delivery issues. Read more here! Learn more.
UPS address validation features & limitations
While the address validation service offered by UPS can be useful, there are several limitations.
UPS® address validation
Before committing to using UPS address validation, you need to know what the UPS service can't do. Get the details now. Learn more.
URLs explained
URL stands for Uniform Resource Locator, a way to reference a resource like a web page on a network.
Using APIs for address validation, standardization & more
An application programmatic interface (API) that processes postal and non-postal addresses.
Using regular expressions for street addresses
Using regular expressions for street addresses? There is a better way. Learn more.
Using Smarty .NET SDK in C# - Smarty
If you missed our video explaining how to use the Smarty .NET SDK in C# don't stress, Smarty has you covered with this step-by-step article. Check it out now! Learn more.
Using Smarty PHP SDK
If you missed our epic video about how to use the Smarty PHP SDK then don't worry, we've made the perfect article for you. Read all about it now! Learn more.
Using Smarty Python SDK - Smarty
If you missed the Smarty video on how to use Smarty Python SDK don't worry. Smarty has you covered with this in-depth, step by step article. Check it out now! Learn more.
Using the Smarty .NET SDK in C#
Learn how to use Smarty's .NET SDK in C#. Read the article or watch the YouTube video.
Using the Smarty PHP SDK
Learn how to use Smarty's PHP SDK. Read the article or watch the YouTube video.
Using the Smarty Python SDK
Learn how to use Smarty's Python SDK. Read the article or watch the YouTube video.
Using the USPS APIs in C#
Do you want to know how to use USPS's API in C#? We'll show you and share step-by-step instructions.
Using the USPS APIs in PHP
Do you want to know how to use the USPS's API in PHP? We'll show you how with step-by-step info.
Using the USPS APIs in Python
Do you want to know how to use the USPS's API in Python? We'll show you how, step-by-step.
Using USPS APIs in C#
Are you wondering how to use the USPS API in C#? Smarty will show you how, with easy step-by-step examples too. Get started now! Learn more.
Using USPS APIs in PHP - Smarty
Wondering how to use the USPS API in PHP? We'll show you how, and share step-by-step examples with you, or check out our video tutorial to get going now! Learn more.
Using USPS APIs in Python - Smarty
Do you want to know how to use the USPS API in Python? We'll show you how, and share step-by-step examples with you. Read more and find out how! Learn more.
USPS CASS certification vs NCOA certification
CASS (Coding Accuracy Support System) and NCOA (National Change of Address) are two methods of address data verification. Learn the pros and cons of each. Learn more.
USPS CASS Cycle O: A comprehensive guide
Introducing USPS CASS Cycle O, enhancing address validation with precision and efficiency. Find all you need to know about Cycle O now. Learn more.
USPS insufficient address mail – How to fix it
Prevent USPS Insufficient Address issues with USPS CASS Certified address validation. Fix and avoid undeliverable mail for a better mailing experience now! Learn more.
USPS Intelligent Mail Barcode (IMB)
What the Intelligent Mail Barcode (IMB) is, how USPS uses it, and what it helps businesses track.
USPS new construction address not recognized
Learn how to resolve USPS 'new construction address not recognized' issues with practical steps and Smarty’s address verification tools to improve delivery. Learn more.
USPS's address verification pros & cons
Learn how to verify and standardize addresses with USPS while understanding its limitations.
USPS's API & address validation
An address validation API provided by the United States Postal Service. Learn all about it.
USPS's CASS certification vs. NCOA certification
Learn about these methods of address data verification and which you should be using.
USPS's CASS Cycle O: A comprehensive guide
Introducing USPS CASS Cycle O, enhancing address validation with precision and efficiency.
USPS's Coding Accuracy Support System (CASS)
CASS™ stands for The Coding Accuracy Support System. It's a tool created by the USPS®.
USPS's Delivery Point Validation (DPV) confirmation indicator
What DPV confirms, how indicators are used, and why it matters for mailability and downstream processes.
USPS's inactive or no-stat address
Inactive and no-stat addresses. Learn what they are, the reasons they occur, and how to update them.
USPS's insufficient address mail fixes
Prevent USPS "Insufficient Address" issues with USPS CASS-Certified address validation.
USPS's new construction & address not recognized explained
Learn how to resolve USPS 'new construction address not recognized' issues with practical steps.
USPS's preference on PO Box vs. street address
Does the USPS have a preference? There's no official answer to that, but here's what we do know.
USPS® address verification
USPS address verification tools validate, verify and standardize addresses to the USPS format. We'll show you how, share limitations, and give better options. Learn more.
Validate an address using [programming language of your choice]
A lot of programmers want to know how to validate an address using their language of choice.
Validation / verification
Address validation is the process of checking a mailing address against an authoritative database.
Virtual business address: Pros, cons, and when verification is required
Boost your business with a virtual address that protects privacy, streamlines mail, and helps you stay compliant. Explore the pros, cons, and when verification matters—then see how Smarty’s tools keep your business credible. Learn more.
WGS84 & EPSG:4326-Geodetic systems explained
WGS84 and EPSG:4326 define global coordinates for precise, standardized geocoding and mapping—used by Smarty’s Rooftop Geocoding API. Read more. Learn more.
What are geocodes and how to geocode addresses
Learn what geocodes are and how geocoding turns addresses into lat/long for mapping, routing, analysis, and insurance risk with Smarty tools. Learn more.
What are non-USPS/non-postal addresses?
Discover why USPS skips some addresses and how Smarty’s database includes 20M+ non-USPS addresses for reliable delivery insights. Try our tools now! Learn more.
What are postal codes?
Address verification topics: 'What are postal codes?' - In this article, we explore various formats around the world and how to find your own postal code. Learn more.
What are qualified health information networks (QHIN)?
QHINs securely share health data across healthcare entities. Smarty’s tools ensure accurate address data to help organizations meet certification standards. Learn more.
What are service level agreements?
Curious about SLA, or Service Level Agreements? Smarty has you covered with a quick explanation or a more in depth answer if that's your thing. Check it out! Learn more.
What are URLs?
Are you curious about URLs? Let Smarty break it down for you with easy-to-understand sections with examples. Find out all you need to know about URLs now! Learn more.
What is a national address database?
Learn what a national address database is & how it's used beyond mailing, including market research, data management, & business operations to drive results. Learn more.
What is a Residential Delivery Indicator (RDI), and where to find it
What is RDI, and where can you find it? Use our single address validation tool or API to see if an address is residential or commercial. Try it now! Learn more.
What is address validation / verification?
What is address validation? How do I perform a USPS address check? We'll show you how easy it is to do. Learn more.
What is an API?
What is an API? In short, it's an Application Programming Interface. Looking for more information, then this article is perfect for you. Check it out now! Learn more.
What is an inactive or no-stat address?
Inactive and No-stat Addresses - What they are, reasons that they occur and how to update them. Learn more.
What is an insurtech? Insurance broker technology by Smarty
Insurtech blends insurance and technology to modernize workflows through AI, IoT, automation, and data-driven tools for brokers and agents. Read more. Learn more.
What is API latency and how to measure it
Explore API latency insights: measurement, causes, and reduction with Smarty's high-speed benefits. Come find out all you need to know now! Learn more.
What is CASS Certification, and why it might not be enough
USPS CASS™ certification standardizes addresses—but it isn't enough. Smarty goes beyond CASS with smarter matching, rich metadata, and non-postal coverage. Learn more.
What is CASS processing?
CASS processing | What it is and how to do it. Learn more.
What is CASS™? The USPS® Coding Accuracy Support System (CASS)
CASS™? stands for The Coding Accuracy Support System. It's a tool created by the USPS® to ensure the accuracy of software that uses the USPS database. Learn more.
What is county data? - Smarty
County Data - The info you can get from county data may surprise you. Learn more.
What is Delivery Point Validation (DPV®)?
Wondering about Delivery Point Validation (DPV)? We'll explain what it is, AND how you can use it too. Learn more.
What is Deutsche Post?
Deutsche Post is Germany’s postal service (part of Deutsche Post DHL). Learn to format German addresses, understand postal codes (PLZ), and avoid issues. Learn more.
What is HTTP? - Smarty
The internet is amazing, but have you ever wondered how information is exchanged. Smarty has you covered with our article about HTTP. Check it out now! Learn more.
What is Royal Mail?
Curious about how to format an address to England? We've got you covered with facts and some fun history about England's Royal Mail. Check it out now! Learn more.
What is the USPS DPV® confirmation indicator, and how to use it
Learn what the USPS DPV® confirmation indicator means, how it validates address deliverability, and why it's essential for accurate mail and compliance. Learn more.
What is transliteration & how it's used in address validation
Transliteration is converting characters in one alphabet to characters in another while preserving the word's phonetic representation. Read about it here! Learn more.
Who can validate addresses for me?
If you're looking for address validation, a quick Google search brings up a couple noteworthy names.
Who can validate addresses for me?
I need to validate addresses. What are some providers that can verify addresses for me? What are the benefits of each? Learn more.
Why address standardization during data entry is essential
If you deal with addresses Smarty has some tips for you. Start by validating and standardizing an address before adding it to your database. Find out more now! Learn more.
Why is address verification important? - Smarty
If you find yourself asking "Why is address verification important?" You found the right place! Smarty has the answers to your question, read our article now! Learn more.
Why street addresses change & how to manage it
See why ZIP Codes and other parts of an address change, the costly problems this creates, and how businesses can best manage things. Check it out now! Learn more.
ZIP Code API
Dealing with the USPS API can leave a bad taste in your mouth. Smarty gives you access to all that information with our better quality APIs. Check it out now! Learn more.
ZIP Code APIs & what to look for
ZIP Code APIs provide developers with comprehensive access to the data found in the official database.
ZIP+4 Codes explained
ZIP+4 Codes are the last 4 digits of a nine-digit ZIP Code. A nine-digit ZIP Code is made of two parts.
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