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geocodio-library-node

v1.6.1

Published

geocod.io geocoding API library

Downloads

19,267

Readme

geocod.io Node library NPM version

Library for performing forward and reverse address geocoding for addresses or coordinates in the US and Canada.

Installation

You can install the package via npm or yarn (pick one):

$ npm install --save geocodio-library-node
$ yarn add geocodio-library-node

Usage

Don't have an API key yet? Sign up at https://dash.geocod.io to get an API key. The first 2,500 lookups per day are free.

Single geocoding

const Geocodio = require('geocodio-library-node');
const geocoder = new Geocodio('YOUR_API_KEY');
// const geocoder = new Geocodio('YOUR_API_KEY', 'api-hipaa.geocod.io'); // optionally overwrite the API hostname

geocoder
  .geocode('1109 N Highland St, Arlington, VA')
  .then(response => {
    console.log(response);
  })
    /*
    response => {
      "input": {
        "address_components": {
          "number": "1109",
          "predirectional": "N",
          "street": "Highland",
          "suffix": "St",
          "formatted_street": "N Highland St",
          "city": "Arlington",
          "state": "VA",
          "country": "US"
        },
        "formatted_address": "1109 N Highland St, Arlington, VA"
      },
      "results": [
        {
          "address_components": {
            "number": "1109",
            "predirectional": "N",
            "street": "Highland",
            "suffix": "St",
            "formatted_street": "N Highland St",
            "city": "Arlington",
            "county": "Arlington County",
            "state": "VA",
            "zip": "22201",
            "country": "US"
          },
          "formatted_address": "1109 N Highland St, Arlington, VA 22201",
          "location": {
            "lat": 38.886672,
            "lng": -77.094735
          },
          "accuracy": 1,
          "accuracy_type": "rooftop",
          "source": "Arlington"
        },
        {
          "address_components": {
            "number": "1109",
            "predirectional": "N",
            "street": "Highland",
            "suffix": "St",
            "formatted_street": "N Highland St",
            "city": "Arlington",
            "county": "Arlington County",
            "state": "VA",
            "zip": "22201",
            "country": "US"
          },
          "formatted_address": "1109 N Highland St, Arlington, VA 22201",
          "location": {
            "lat": 38.886665,
            "lng": -77.094733
          },
          "accuracy": 1,
          "accuracy_type": "rooftop",
          "source": "Virginia Geographic Information Network (VGIN)"
        }
      ]
    }
    */
  .catch(error => {
    console.error(error);
  });

geocoder.reverse('38.9002898,-76.9990361')
  .then(response => { ... })
  .catch(err => { ... });

geocoder.reverse([38.9002898, -76.9990361])
  .then(response => { ... })
  .catch(err => { ... });

Note: You can read more about accuracy scores, accuracy types, input formats and more at https://www.geocod.io/docs/

Batch geocoding

To batch geocode, simply pass an array of addresses or coordinates instead of a single string

geocoder.geocode([
      '1109 N Highland St, Arlington VA',
      '525 University Ave, Toronto, ON, Canada',
      '4410 S Highway 17 92, Casselberry FL',
      '15000 NE 24th Street, Redmond WA',
      '17015 Walnut Grove Drive, Morgan Hill CA'
  ])
  .then(response => { ... })
  .catch(err => { ... });

geocoder.reverse([
      '35.9746000,-77.9658000',
      '32.8793700,-96.6303900',
      '33.8337100,-117.8362320',
      '35.4171240,-80.6784760'
  ])
  .then(response => { ... })
  .catch(err => { ... });

// Optionally supply a custom key that will be returned along with results
geocoder.geocode({
      'MyId1': '1109 N Highland St, Arlington VA',
      'MyId2': '525 University Ave, Toronto, ON, Canada',
      'MyId3': '4410 S Highway 17 92, Casselberry FL',
      'MyId4': '15000 NE 24th Street, Redmond WA',
      'MyId5': '17015 Walnut Grove Drive, Morgan Hill CA'
  })
  .then(response => { ... })
  .catch(err => { ... });

Field appends

Geocodio allows you to append additional data points such as congressional districts, census codes, timezone, ACS survey results and much much more.

To request additional fields, simply supply them as an array as the second parameter

geocoder.geocode(
      [
          '1109 N Highland St, Arlington VA',
          '525 University Ave, Toronto, ON, Canada'
      ],
      [ 'cd', 'timezone' ]
  )
  .then(response => { ... })
  .catch(err => { ... });

geocoder.reverse('38.9002898,-76.9990361', ['census2010'])
  .then(response => { ... })
  .catch(err => { ... });

Address components

For forward geocoding requests it is possible to supply individual address components instead of a full address string. This works for both single and batch geocoding requests.

geocoder.geocode({
      street: '1109 N Highland St',
      city: 'Arlington',
      state: 'VA',
      postal_code: '22201'
  })
  .then(response => { ... })
  .catch(err => { ... });

geocoder.geocode([
      {
          street: '1109 N Highland St',
          city: 'Arlington',
          state: 'VA'
      },
      {
          street: '525 University Ave',
          city: 'Toronto',
          state: 'ON',
          country: 'Canada',
      },
  ])
  .then(response => { ... })
  .catch(err => { ... });

Limit results

Optionally limit the number of maximum geocoding results by using the third parameter on geocode(...) or reverse(...)

// Only get the frst result
geocoder.geocode('1109 N Highland St, Arlington, VA', [], 1)
  .then(response => { ... })
  .catch(err => { ... });

// Return up to 5 geocoding results
geocoder.reverse('38.9002898,-76.9990361', ['timezone'], 5)
  .then(response => { ... })
  .catch(err => { ... });

Lists

List methods are nested within .list. To access list methods, be sure to to run geocoder.list and then include the task method you would like to utilize.

Create A List

To create and upload a new list using an existing .CSV file, run geocoder.list.create(...) and pass in your filename/file path.

You may also need to pass in some additional parameters:

  • Direction: Use the default string "forward".
  • Format: Use the default string "{{A}} {{B}} {{C}} {{D}}"
  • Callback: A callback URL.
geocoder.list.create(
  `${__dirname}/stubs/sample_list.csv`,
  "forward",
  "{{A}} {{B}} {{C}} {{D}}",
  "https://example.com/my-callback"
)

Get List Status

To retrieve the current status of your list, pass your list's ID into geocoder.list.status(...).

geocoder.list.status(1234567)
  .then(response => { ... })
  .catch(err => { ... });

Get All Lists

To retrieve all available lists, run geocoder.list.all(). You do not need to pass anything into this function.

geocoder.list.all()
  .then(response => { ... })
  .catch(err => { ... });

Download A List

To download a list, run geocoder.list.download(...) and pass in the ID of the list you'd like to download, as well as a string that includes a filename. Be sure to include a .csv file extension.

geocoder.list.download(1234567, "geocoded_file.csv")
   .then(response => { ...})
   .catch(err => { ... });

Delete A List

To delete a list, run geocoder.list.deleteList(...) and pass in the ID of the list you'd like to delete.

geocoder.list.delete(1234567)
  .then(response => { ... })
  .catch(err => { ... });

Testing

$ npm test

Changelog

Please see CHANGELOG for more information on what has changed recently.

Security

If you discover any security related issues, please email [email protected] instead of using the issue tracker.

License

The MIT License (MIT). Please see License File for more information.