DOTS Address Detective
Save Bad Addresses!
Advanced Address Correction for
Undeliverable Contact Records
Real-time API fixes fatal addressing errors
Uses fuzzy logic & available data to append address data
Includes CASS-Certified USPS address verification

This real-time, fuzzy matching, API web service uses any available data points as clues to determine and append accurate address data. Then the matched address is verified against our CASS™ Certified USPS® address verification database, and a confidence score is returned for each updated address.

Get Started with Your FREE Key

Please complete the form and we'll email your access key so you can start testing our services

Already Registered? Sign in now.

Not quite ready to get started? Have questions?

How Address Detective Works
Please select an address to see how our service detects difficult address errors and appends corrected address information.


Choose from common use cases

Postal Code
Business Name
Phone Number
Full Name

Request URL

Real-Time API Responses

See below for the full response from our Address Detective service.

Service Response


Please select input data to see results

Address133 E De La Guerra St
CitySanta Barbara
DPV DescYes, the input record is a valid mailing address
DPV Notes26, 28, 38, 44
DPV Notes DescThe input address matched the ZIP+4 record,
The input address matched the DPV record,
Street address,
The input address did not include a PMB and matched a CMRA
Corrections1A, 1B, 4A
Corrections DescStreet name corrected,
Suffix corrected,
Zip corrected
Barcode Digits931012228336
Carrier RouteC006
Congress Code24
County Code083
County NameSanta Barbara
Fragment House133
Fragment Pre DirE
Fragment StreetDe La Guerra
Fragment SuffixSt
Fragment Post Dir
Fragment Unit
FragmentPMB Prefix
FragmentPMB Number
View Full results


For Developers

Our services are built API-first with a focus on data quality and ease of integration.
We support REST, SOAP, GET and POST requests over HTTP/S outputting in XML and JSON formats.

Our API web services are compatible with all major programming languages and we have over 200 pieces of sample code (both snippets and full solutions) available to help with your integration.

Features and Benefits




Uptime Guarantee


Support Engineers

  • Name and phone number assisted address validation
  • Designed to salvage addresses in your contact database that would normally be discarded
  • Uses proprietary fuzzy matching algorithms for hard-to-find addresses
  • Validates completed address against CASS™-Certified database of over 165 million US records
  • Provides a confidence score of 1-100 based on data match points after verification process
  • Searches and cross-references contact data from multiple proprietary databases
  • Fixes addresses with missing spaces and problematic alpha to standardize to USPS®
  • DPV data returned with every mailing address
  • Response time as fast as 0.75 seconds
  • Real-time API or batch service available
Additional Resources
Three Ways to Use Address Detective
Real-Time API
Cloud Connectors
Connects with major marketing, sales and
ecommerce platforms
List Processing
Securely upload lists
for processing

Some of the world's biggest brands rely on Service Objects

Cookies Policy

General Use

We use cookies, tracking pixels and related technologies on our website. Cookies are small data files that are served by our platform and stored on your device. Our site uses cookies dropped by us or third parties for a variety of purposes including to operate and personalize the website. Also, cookies may also be used to track how you use the site to target ads to you on other websites.

Third Parties

Our website employs the use of various third-party services. Through the use of our website, these services may place anonymous cookies on the Visitor’s browser and may send their own cookies to the Visitor’s cookie file. Some of these services include but are not limited to: Google, Facebook, Twitter, and other social networks, advertising agencies, security firewalls, analytics companies and service providers. These services may also collect and use anonymous identifiers such as IP Address, HTTP Referrer, Unique Device Identifier and other non-personally identifiable information and server logs.

Thanks, I understand.