Additional APIs in Geocoding and Data Validation (#905)

README.md

@@ -233,6 +233,9 @@ API | Description | Auth | HTTPS | CORS |
 | [NumValidate](https://numvalidate.com) | Open Source phone number validation | No | Yes | Unknown |
 | [numverify](https://numverify.com) | Phone number validation | No | Yes | Unknown |
 | [PurgoMalum](http://www.purgomalum.com) | Content validator against profanity & obscenity | No | No | Unknown |
+| [US Autocomplete](https://smartystreets.com/docs/cloud/us-autocomplete-api) | Enter address data quickly with real-time address suggestions | `apiKey` | Yes | Yes |
+| [US Extract](https://smartystreets.com/products/apis/us-extract-api) | Extract postal addresses from any text including emails | `apiKey` | Yes | Yes |
+| [US Street Address](https://smartystreets.com/docs/cloud/us-street-api) | Validate and append data for any US postal address | `apiKey` | Yes | Yes |
 | [vatlayer](https://vatlayer.com) | VAT number validation | No | Yes | Unknown |
 
 **[⬆ Back to Index](#index)**
@@ -467,6 +470,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Postcodes.io](https://postcodes.io) | Postcode lookup & Geolocation for the UK | No | Yes | Yes |
 | [REST Countries](https://restcountries.eu) | Get information about countries via a RESTful API | No | Yes | Unknown |
 | [Uebermaps](https://uebermaps.com/api/v2) | Discover and share maps with friends | `apiKey` | Yes | Unknown |
+| [US ZipCode](https://smartystreets.com/docs/cloud/us-zipcode-api) | Validate and append data for any US ZipCode | `apiKey` | Yes | Yes |
 | [Utah AGRC](https://api.mapserv.utah.gov) | Utah Web API for geocoding Utah addresses | `apiKey` | Yes | Unknown |
 | [ViaCep](https://viacep.com.br) | Brazil RESTful zip codes API | No | Yes | Unknown |
 | [ZipCodeAPI](https://www.zipcodeapi.com) | US zip code distance, radius and location API | `apiKey` | Yes | Unknown |