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  • Address Processing
  • Geocoding
  • Geocode Correction
  • Census Intersection
  • k-Nearest Search
  • Reverse Geocoding
    • Platform Details
    • Interactive
    • Batch Processing
    • Web APIs
  • Drag & Drop Mapping
  • Privacy & Security
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    v 5.0.0 API
    • Overview
    • REST
    • SOAP
    • Examples
    Previous Versions
    • v 4.01

Reverse Geocoding Web Service

Services › Reverse Geocoding › Web Service

The Texas A&M Geoservices Reverse Geocoding engine can be used from desktop and/or web applications via the Web Service interfaces listed below. The only required information is the API key, which is available in your account profile page. You may want to read the technical details.

We currently provide reverse geocoding for US addresses only.

API Version - 5.0.0

Available Web Services


API #1 - .Net k-Nearest Neighbor Geographic Feature Search Web Service


  • API that can be used from scripts, http, and SOAP compatible clients
  • API URL

    https://://geoservices.tamu.edu/Api/ReverseGeocoding/V5/Soap/


API #2 - HTTP k-Nearest Neighbor Geographic Feature Search Web Service


  • API that can be used from scripts and http
  • API URL

    https://://geoservices.tamu.edu/Api/ReverseGeocoding/V5/?

    API Input Fields

    Parameter Required Description Example Possible Values
    apiKey true click here for your API key api-key-value text string
    version true the version of the parser to use 5.0.0 5.0.0
    latitude true the latitude of the input coordinate 34.0726207 double
    longitude true the longitude of the input coordinate -118.397965 double
    state false abbreviation of state (speeds up processing) TX Two character state abbreviation
    format false output format csv csv, tsv, xml, json
    notStore false indicates if the transaction details should not be historically stored in your account true true, false

    API Output Fields and Index (for non-XML output)

    Position Field Required Description Possible Values
    0 Query Status Code true Result code See list
    1 API Version true Vesion of the API used 5.0.0.0
    2 Transaction Id true Query Id Unique Id
    3 Street Address true Closest street address to the input point NineteenNinety, TwoThousand, TwoThousandTen, TwoThousandTwenty, AllAvailable
    4 City true Closest city to the input point
    5 State true Closest state to the input point
    6 Zip true Closest ZIP Code to the input point
    7 ZipPlus4 true Closest ZIP+4 to the input point
    8 Time Taken true Processing time Milliseconds
  • API Examples

    Example 1 - 34.0726207994348, -118.397965182076, ca (CSV)

    Example 2 - 34.0726207994348, -118.397965182076, ca (XML)

    Example 3 - 34.0726207994348, -118.397965182076, ca (JSON)

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