Free Geocoding, Address Processing, and GIS Data Capture

API's updated to version 2.91
All USC WebGIS API's have been updated to version 2.91. Please begin updating your scripts if you are using previous versions.

Geocoder technical report available
The technical details of the USC WebGIS geocoding platform are available in a recently released report.

API's updated to version 2.9
All web service API's have been updated to 2.9. Users should update their web service calls to use this new version.

Privacy option added to not store transaction details
All API's and batch processing operations now allow you the option of not storing your transaction details.

Account balance API available
We have added an API for programmatically checking how many credits are available in your account.

Service outage 6/26/2009 - 6/29/2009
The outage scheduled for 6/27/2009 - 6/28/2009 has been re-scheduled to start earlier 6/26/2009 5PM and end later 6/29/2009 8AM

Geocoding
Convert postal addresses into geographic coordinates using a state-of-the-art research geocoding platform.

Address Processing
Parse, normalize, standardize and validate postal address data.

Geocode Correction
Interactively correct the location of geocodes using a web-based map interface.

Point-In-Polygon Census Intersection
Associate Census variables with coordinate data.

Polygon Tracing
Interactively trace and store a database of geographic polygons using a web-based map interface.

Shortest Path
Calculate the shortest network path between two points based upon shortest distance or travel time.

Usage Rules
These services are free for non-profits, academics and government researchers. All others can also use the service for free by signing up as a partner or purchasing credits. Click here for details.

(As of 11/3/2009 6:36:51 PM)

Registered Users: 2171

Service Utilizations:

Service	Usages
AddressNormalization	636,825
AddressValidation	1,404
CensusIntersection	23,676
Geocoding	9,653,423
GeocodingCorrection	4,766
PolygonTracing	5,294
ShortestPath	505,388

Existing Users: Click here to login

New Users: Click here to sign up

GIS Research Laboratory
University of Southern California
Kaprielian Hall 444
Los Angeles, CA 90089-0255
(213) 740-7164