GOV
Address Validation API
Address Validation API Document
Overview
Address Validation is a RESTful API for validating properties located in the City of St. Louis. It is designed to take an address, validate it against City of St. Louis data, and return standardized, deliverable addresses. The service provides corrected information such as the street location, zip, ward, xpoint, ypoint, neighborhood, police district etc, along with parsed address in the City of St. Louis. The data is refreshed nightly.
Please apply for an API key to use this API.
API Calls
We support returning results in XML, JSON, and HTML.
JSON Format
http://www.stlouis-mo.gov/powernap/stlouis/api.cfm/addressValidation/properties.json?api_key=YOUR_API_KEY_HERE&ADDRESSSEARCH=1500%20grand
XML Format
http://www.stlouis-mo.gov/powernap/stlouis/api.cfm/addressValidation/properties.xml?api_key=YOUR_API_KEY_HERE&ADDRESSSEARCH=1500%20grand
HTML Format
http://www.stlouis-mo.gov/powernap/stlouis/api.cfm/addressValidation/properties.html?api_key=YOUR_API_KEY_HERE&ADDRESSSEARCH=1500%20grand
Methods
AddressSearch Method
Call: http://www.stlouis-mo.gov/powernap/stlouis/api.cfm/addressValidation/properties.xml?api_key=YOUR_API_KEY_HERE&addressSearch=1500 grand
| Input | Type | Description |
|---|---|---|
| addressSearch | String | E.g.1500 grand or11 digit parcel number 02100500100, omit apartment number |
GetInforByParcel Method
Call: https://www.stlouis-mo.gov/powernap/stlouis/api.cfm/addressValidation/00010000400.xml?api_key=YOUR_API_KEY_HERE
| Input | Type | Description |
|---|---|---|
| ParcelId | 11 digits | Pass 11 digit parcelId in the URL |
Output
| Field Name | Type | Description |
|---|---|---|
| addressFound | string | Message about the records found. |
| parcelId | 11 digits nvarchar(11) | |
| pointX | float | NAD 1983 StatePlane Missouri East FIPS 2401 Feet (WKID:102696) |
| pointY | float | NAD 1983 StatePlane Missouri East FIPS 2401 Feet (WKID:102696) |
| lowAddrNum | Int | Street Low Number Range |
| highAddrNum | int | Street High Number Range |
| lowAddrSuf | nvarchar(3) | Suffix for Street Low number |
| stPreDir | nvarchar(4) | Street Direction Prefix |
| streetName | nvarchar(40) | Street Name |
| stdUnitNum | nvarchar(10) | |
| highAddrSuf | nvarchar(3) | |
| streetType | nvarchar(4) | Street Type |
| stSufDir | nvarchar(3) | Street Direction Suffix |
| zipCode | Int | zip code |
| ownerName | nvarchar(40) | owner name |
| ownerName2 | nvarchar(40) | second owner name |
| ownerAddress | nvarchar(40) | owner address |
| ownerCity | nvarchar(13) | owner address city |
| ownerState | nvarchar(2) | owner state |
| ownerCountry | nvarchar(13) | owner country |
| ownerZip | nvarchar(9) | owner zip code |
| cityBlock | decimal(6,2) | |
| OwnerCode | Int | |
| parcel | Int | |
| legalDesc1 | Text | |
| classCode | Int | |
| redevelopmentCode | ||
| vacantLot | bit | |
| specialDistrict | Int | |
| condominiumCode | Bit | |
| censusTract | decimal(6,2) | 2020 Census |
| censusBlock | number | 2020 Census |
| ward | tinyint | 2020 Ward |
| ward2010 | tinyint | 2010 Ward |
| precinct | tinyint | 2020 Precinct |
| precinct2010 | tinyint | 2010 Precinct |
| frontage | Real | |
| landArea | Int | |
| dailyDate | Datetime | |
| dailyNumber | Int | |
| bookNumber | nvarchar(4) | |
| pageNumber | Int | |
| district | Int | Police district |
| classCode | decimal(6,2) | |
| subDistrict | decimal(6,2) | |
| neighborhood | number | |
| neighborhoodName | nvarchar(50) | Neighborhood Name |
| landUse | Int | |
| handle | nvarchar(11) |
