US Street Address
Validate and append data to any US postal address.
Read docs Updated 2026-06-17
What is US Street Address?
The US Street Address API validates input addresses and appends postal information such as ZIP codes and delivery points.
It supports applications in shipping, customer data management, and location services that require accurate US address records.
What you can build with US Street Address
E-commerce checkout validation
Clean and standardize shipping addresses at purchase time to reduce failed deliveries and returned packages.
CRM data enrichment
Append missing ZIP+4 codes and verify existing customer addresses in bulk before marketing campaigns.
Real estate lead scoring
Validate property addresses from lead forms and append carrier route data to prioritize high-value listings.
Get started with US Street Address
- 1Sign up for an account and obtain an API key
- 2Review the endpoint documentation and sample requests
- 3Construct a POST request with the address payload
- 4Include the API key in the Authorization header
- 5Parse the JSON response for validation results and appended fields
US Street Address: pros & cons
Pros
- +Accurate USPS-based validation and standardization
- +Appends useful fields like ZIP+4 and delivery point
- +HTTPS and API key authentication for secure access
- +Simple integration for address-heavy workflows
Cons
- –Limited to United States addresses only
- –Requires paid usage beyond free tier limits
- –Dependent on external service uptime
Did you find this helpful?
Frequently asked questions
It validates US postal addresses and appends missing data such as ZIP+4 codes.
User reviews
Verified reviews from the community shape this listing's rating.
Loading reviews…
Similar APIs
Other data & analytics options worth comparing.