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Texas A&M Geoservices Geocoding APIs

Services › Geocoding › API

API Version - 2.93

The Texas A&M Geoservices Geocoder can be used from desktop and/or web applications via the Geocoding 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 and the known bugs.

Available API Endpoints


API #1 - .Net Geocode Web Service


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

    https://geoservices.tamu.edu/Services/Geocode/WebService/GeocoderService_V02_93.asmx


API #2 - HTTP Geocode Web Service (Non-parsed)


  • API for non-parsed address data that can be used from scripts and http
  • API URL

    https://geoservices.tamu.edu/Services/Geocode/WebService/GeocoderWebServiceHttpNonParsed_V02_93.aspx?

    API Input Fields

    Parameter Required Description Example Possible Value
    apiKey true Click here for your API key api-key-value some text
    version true api version 2.93 2.93
    streetAddress false non-parsed street address value 3620 North Vermont Ave W. some text
    city false city value Beverly Hills some text
    state false state value CA some text
    zip false zip code value 90089 some text
    verbose false output full details true true, false
    format false output format csv csv, tsv, xml
    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 Transaction Id true Query Id Unique Id
    1 API Version true Vesion of the API used 2.92
    2 Query Status Code true Result code See list
    3 Latitude true Decimal
    4 Longitude true Decimal
    5 Match Score true Match percentage between input data and reference feature
    6 Match Type true Geocode match type See list
    7 Matching Geography Type true Geographic level of the output See list
    8 Interpolation Type true Interpolation method used See list
    9 Interpolation Sub-Type true Interpolation sub-method used See list
    10 Matched Location Type true Type of input data identified See list
    11 Feature Matching Result Type true Result of the feature matching algorithm See list
    12 Time Taken true Processing time Milliseconds
    13 Census 2000 Block false Census 2000 block value for the output point
    14 Census 2000 Block Group false Census 2000 block group value for the output point
    15 Census 2000 Tract false Census 2000 tract value for the output point
    16 Census 2000 County Fips false Census 2000 county fips value for the output point
    17 Census 2000 State Fips false Census 2000 state fips value for the output point
    18 Census 2000 CBSA Fips false Census 2000 core base statistical area fips value for the output point
    19 Census 2000 CBSA Micro false Census 2000 core base statistical area micropolitan flag for the output point
    20 Census 2000 MCD Fips false Census 2000 minor civil division fips value for the output point
    21 Census 2000 MetDiv Fips false Census 2000 metropolitan division fips value for the output point
    22 Census 2000 MSA Fips false Census 2000 metropolitan statistical area fips value for the output point
    23 Census 2000 Place Fips false Census 2000 place fips value for the output point
    24 MNumber false Street number of the address that matched
    25 MNumberFractional false Street number fractional of the address that matched
    26 MPreDirectional false Street predirectional of the address that matched
    27 MPreQualifier false Street prequalifier of the address that matched
    28 MName false Street name of the address that matched
    29 MPostQualifier false Street postqualifier of the address that matched
    30 MSuffix false Street suffix of the address that matched
    31 MPostDirectional false Street postdirectional of the address that matched
    32 MSuiteType false Suite type of the address that matched
    33 MSuiteNumber false Suite number of the address that matched
    34 MPostOfficeBoxType false Post office box type of the address that matched
    35 MPostOfficeBoxNumber false Post office box number of the address that matched
    36 MCity false City of the address that matched
    37 MConsolidatedCity false Consolidated city of the address that matched
    38 MMinorCivilDivision false Minor civil division of the address that matched
    39 MCountySubRegion false County sub region of the address that matched
    40 MCounty false County of the address that matched
    41 MState false State of the address that matched
    42 MZip false Zip of the address that matched
    43 MZipPlus1 false Zip+1 of the address that matched
    44 MZipPlus2 false Zip+2 of the address that matched
    45 MZipPlus3 false Zip+3 of the address that matched
    46 MZipPlus4 false Zip+4 of the address that matched
    47 MZipPlus5 false Zip+5 of the address that matched
    48 PNumber false Street number of the parsed address
    49 PNumberFractional false Street number fractional of the parsed address
    50 PPreDirectional false Street predirectional of the parsed address
    51 PPreQualifier false Street prequalifier of the parsed address
    52 PName false Street name of the parsed address
    53 PPostQualifier false Street postqualifier of the parsed address
    54 PSuffix false Street suffix of the parsed address
    55 PPostDirectional false Street postdirectional of the parsed address
    56 PSuiteType false Suite type of the parsed address
    57 PSuiteNumber false Suite number of the parsed address
    58 PPostOfficeBoxType false Post office box type of the parsed address
    59 PPostOfficeBoxNumber false Post office box number of the parsed address
    60 PCity false City of the parsed address
    61 PConsolidatedCity false Consolidated city of the parsed address
    62 PMinorCivilDivision false Minor civil division of the parsed address
    63 PCountySubRegion false County sub region of the parsed address
    64 PCounty false County of the parsed address
    65 PState false State of the parsed address
    66 PZip false Zip of the parsed address
    67 PZipPlus1 false Zip+1 of the parsed address
    68 PZipPlus2 false Zip+2 of the parsed address
    69 PZipPlus3 false Zip+3 of the parsed address
    70 PZipPlus4 false Zip+4 of the parsed address
    71 PZipPlus5 false Zip+5 of the parsed address
    72 FNumber false Street number of the matched reference feature
    73 FNumberFractional false Street number fractional of the matched reference feature
    74 FPreDirectional false Street predirectional of the matched reference feature
    75 FPreQualifier false Street prequalifier of the matched reference feature
    76 FName false Street name of the matched reference feature
    77 FPostQualifier false Street postqualifier of the matched reference feature
    78 FSuffix false Street suffix of the matched reference feature
    79 FPostDirectional false Street postdirectional of the matched reference feature
    80 FSuiteType false Suite type of the matched reference feature
    81 FSuiteNumber false Suite number of the matched reference feature
    82 FPostOfficeBoxType false Post office box type of the matched reference feature
    83 FPostOfficeBoxNumber false Post office box number of the matched reference feature
    84 FCity false City of the matched reference feature
    85 FConsolidatedCity false Consolidated city of the matched reference feature
    86 FMinorCivilDivision false Minor civil division of the matched reference feature
    87 FCountySubRegion false County sub region of the matched reference feature
    88 FCounty false County of the matched reference feature
    89 FState false State of the matched reference feature
    90 FZip false Zip of the matched reference feature
    91 FZipPlus1 false Zip+1 of the matched reference feature
    92 FZipPlus2 false Zip+2 of the matched reference feature
    93 FZipPlus3 false Zip+3 of the matched reference feature
    94 FZipPlus4 false Zip+4 of the matched reference feature
    95 FZipPlus5 false Zip+5 of the matched reference feature
    96 FArea false Area of the matched feature
    97 FAreaType false Area metric of the matched feature
    98 FGeometry false Geometry of the matched feature
    99 FSource false Source of the matched feature
    100 FVintage false Vintage of the matched feature
    101 FPrimaryIdField false Name of the primary Id field of the matched feature
    102 FPrimaryIdValue false Value of the primary Id field of the matched feature
    103 FSecondaryIdField false Name of the secondary Id field of the matched feature
    104 FSecondaryIdValue false Value of the secondary Id field of the matched feature

    Notes
    - M____: The attribute value of your input address that used in finding a reference feature
    - P____: The equivalent parsed attribute value of your input address
    - F____: The attribute value of the matched reference feature used for interpolation
  • API Examples

    Example 1 - 9355 Burton Way, Beverly Hills, ca, 90210 (CSV)

    Example 2 - 9355 Burton Way, Beverly Hills, ca, 90210 (XML)

    Example 3 - 9355 Burton Way, Beverly Hills, ca, 90210 (CSV, Verbose)

    Example 4 - 9355 Burton Way, Beverly Hills, ca, 90210 (TSV, Verbose)

    Example 5 - 9355 Burton Way, Beverly Hills, ca, 90210 (XML, Verbose)

    Example 6 - PO Box 221, Beverly Hills, ca, 90210 (XML, Verbose)

    Example 7 - PO Box 221 9355 Burton Way, Beverly Hills, ca, 90210 (CSV, Verbose)



API #3 - HTTP Geocode Web Service (Non-parsed) with Advanced Options


  • API for non-parsed address data that can be used from scripts and http that allows advanced options to be specified
  • API URL

    https://geoservices.tamu.edu/Services/Geocode/WebService/GeocoderWebServiceHttpNonParsedAdvanced_V02_93.aspx?

    API Input Fields

    This API's input field set includes all of the input and output parameters from API #2 above with the additions in the following table. Each of these are described in the techincal details. The default values used here are automatically used in API #2 above.

    Parameter Required Description Values Default value
    r false whether or not to use attribute relaxation true, false true
    ratts false the attributes allowed to be relaxed; only applies if shouldUseRelaxation is true comma separated list from the following options: pre, suffix, post, city, zip pre,suffix,post,city,zip
    sub false whether or not to use substring matching true, false true
    sou false whether or not to use soundex true, false true
    souatts false the attributes allowed to be soundex'ed; only applies if shouldUseSoundex is true comma separated list from the following options: name, city name,city
    h false which feature matching hierarchy to use uncertaintyBased, u, FeatureMatchingSelectionMethod, f, FeatureMatchingSelectionMethod
    refs false which reference data sources to use all

    - or one or more of the following -

    PreComputedPoints,
    countyParcelData,
    OpenAddresses,
    MicrosoftFootprints,
    navteqAddressPoints2022,
    navteqAddressPoints2021,
    navteqAddressPoints2017,
    navteqAddressPoints2016,
    navteqAddressPoints2014,
    navteqAddressPoints2013,
    navteqAddressPoints2012,
    parcelCentroids,
    boundarySolutionsParcelCentroids,
    parcelGeometries,
    navteqStreets2022,
    navteqStreets2021,
    navteqStreets2012,
    navteqStreets2008,
    Census2022TigerLines,
    Census2016TigerLines,
    Census2015TigerLines,
    Census2010TigerLines,
    USPSTigerZipPlus4,
    census2020Places,
    census2010Places,
    census2000Places,
    census2020ConsolidatedCities,
    census2010ConsolidatedCities,
    census2020ZCTAs,
    census2010ZCTAs,
    census2000ZCTAs,
    ZipCodeDownloadZips2013,
    census2020CountySubRegions,
    census2010CountySubRegions,
    census2000CountySubRegions,
    census2020Counties,
    census2010Counties,
    census2000Counties,
    census2020States,
    census2010States
    all

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

    The output fields for this API are the same as API #2 above

  • API Examples

    Example 1 - 9355 NE Burton Rd, Wrong City, ca, 90210 (XML, Verbose, All options false)
    - will fail to match a parcel because city is wrong

    Example 2 - 9355 NE Burton Rd, Wrong City, ca, 90210 (XML, Verbose, Attribute Relxation on pre,suffix,city)
    - will succeed in matching a parcel even though city is wrong because the city attribute will be relaxed

    Example 3 - 9355 Berrton Way, Beverly Hills, ca, 90210 (XML, Verbose, All options false)
    - will fail to match a parcel because the street name is wrong

    Example 4 - 9355 Berrton Way, Beverly Hills, ca, 90210 (XML, Verbose, Soundex on street name)
    - will succeed in matching a parcel even though the street name is wrong because soundex is being used on the street name

    Example 5 - 9355 Berton Way, Bevirrly Hills, ca, 90210 (XML, Verbose, All options false)
    - will fail to match a parcel because the city name is wrong

    Example 6 - 9355 Berton Way, Bevirrly Hills, ca, 90210 (XML, Verbose, Soundex on city)
    - will succeed in matching a parcel even though the city is wrong because soundex is being used on the city

    Example 7 - PO Box 123, Beverly Hills, ca, 90210 (XML, Verbose, Feature matching hierarchy)
    - will match to ZIP 90210 (ZIP comes before city in the feature matching hierarchy)

    Example 8 - PO Box 123, Beverly Hills, ca, 90210 (XML, Verbose, Uncertainty hierarchy)
    - will match to city Beverly Hills (smaller area = less geographic uncertainty = more accurate geocode)

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