Verify Address
POST/verify/addresses
The address verify API validates, corrects, and standardizes individual addresses based on USPS's Coding Accuracy Support System (CASS).
The address verify API accepts the 3 combination of inputs:
- Free-form address submitted as a single string in
query
- Example: "123 Main St, Springfield, CO 81073-1119"
- Only free-form and zip code address components submitted as separate parameters:
query
for the street addresszip_code
for the ZIP code- Example:
query
: "123 Main St, Springfield CO"zip_code
: "81073-1119"
- Only free-form, city and state address components submitted as separate parameters:
query
for the street addresscity
for the citystate
for the state- Example:
query
: "123 Main St"city
: "Springfield"state
: "CO"
Request
Responses
- 200
- 400
- 401
- 429
Success
Bad Request
Unauthorized
Rate Limited