Update README.md

README.md

@@ -178,6 +178,7 @@ API | Description | Auth | HTTPS | CORS |
 ### Cryptocurrency
 API | Description | Auth | HTTPS | CORS |
 |---|---|---|---|---|
+| [coinlayer](https://coinlayer.com) | Real-time Crypto Currency Exchange Rates | `apiKey` | Yes | Unknown |
 | [Binance](https://github.com/binance/binance-spot-api-docs) | Exchange for Trading Cryptocurrencies based in China | `apiKey` | Yes | Unknown |
 | [BitcoinAverage](https://apiv2.bitcoinaverage.com/) | Digital Asset Price Data for the blockchain industry | `apiKey` | Yes | Unknown |
 | [BitcoinCharts](https://bitcoincharts.com/about/exchanges/) | Financial and Technical Data related to the Bitcoin Network | No | Yes | Unknown |
@@ -192,7 +193,6 @@ API | Description | Auth | HTTPS | CORS |
 | [CoinDesk](http://www.coindesk.com/api/) | Bitcoin Price Index | No | No | Unknown |
 | [CoinGecko](http://www.coingecko.com/api) | Cryptocurrency Price, Market, and Developer/Social Data | No | Yes | Yes |
 | [Coinigy](https://coinigy.docs.apiary.io) | Interacting with Coinigy Accounts and Exchange Directly | `apiKey` | Yes | Unknown |
-| [CoinLayer](https://coinlayer.com) | Real-time Crypto Currency Exchange Rates | `apiKey` | Yes | Unknown |
 | [Coinlib](https://coinlib.io/apidocs) | Crypto Currency Prices | `apiKey` | Yes | Unknown |
 | [Coinlore](https://www.coinlore.com/cryptocurrency-data-api) | Cryptocurrencies prices, volume and more | No | Yes | Unknown |
 | [CoinMarketCap](https://coinmarketcap.com/api/) | Cryptocurrencies Prices | `apiKey` | Yes | Unknown |
@@ -285,9 +285,12 @@ API | Description | Auth | HTTPS | CORS |
 | [ReqRes](https://reqres.in/ ) | A hosted REST-API ready to respond to your AJAX requests | No | Yes | Unknown |
 | [Scraper.AI](https://docs.scraper.ai/#/) | Extract and monitor data from any website | `apiKey` | Yes | Unknown |
 | [ScraperApi](https://www.scraperapi.com) | Easily build scalable web scrapers | `apiKey` | Yes | Unknown |
+| [scrapestack](https://scrapestack.com/) | Real-time, Scalable Proxy & Web Scraping REST API | `apiKey` | Yes | Unknown |
 | [ScreenshotAPI.net](https://screenshotapi.net/) | Create pixel-perfect website screenshots | `apiKey` | Yes | Yes |
+| [serpstack](https://serpstack.com/) | Real-Time & Accurate Google Search Results API | `apiKey` | Yes | Yes |
 | [SHOUTCLOUD](http://shoutcloud.io/) | ALL-CAPS AS A SERVICE | No | No | Unknown |
 | [StackExchange](https://api.stackexchange.com/) | Q&A forum for developers | `OAuth` | Yes | Unknown |
+| [userstack](https://userstack.com/) | Secure User-Agent String Lookup JSON API | `OAuth` | Yes | Unknown |
 
 **[⬆ Back to Index](#index)**
 ### Dictionaries
@@ -319,6 +322,7 @@ API | Description | Auth | HTTPS | CORS |
 ### Environment
 API | Description | Auth | HTTPS | CORS |
 |---|---|---|---|---|
+| [weatherstack](https://weatherstack.com/) | Real-Time & Historical World Weather Data API | `apiKey` | Yes | Unknown |
 | [AirVisual](https://airvisual.com/api) | Air quality and weather data | `apiKey` | Yes | Unknown |
 | [GrünstromIndex](https://www.corrently.de/hintergrund/gruenstromindex/index.html) | Green Power Index for Germany (Grünstromindex/GSI) | No | No | Yes |
 | [OpenAQ](https://docs.openaq.org/) | Open air quality data | `apiKey` | Yes | Unknown |
@@ -338,6 +342,7 @@ API | Description | Auth | HTTPS | CORS |
 ### Finance
 API | Description | Auth | HTTPS | CORS |
 |---|---|---|---|---|
+| [marketstack](https://marketstack.com/) | Real-Time, Intraday & Historical Market Data API | `apiKey` | Yes | Unknown |
 | [Alpha Vantage](https://www.alphavantage.co/) | Realtime and historical stock data | `apiKey` | Yes | Unknown |
 | [IEX Cloud](https://iexcloud.io/docs/api/) | Realtime & Historical Stock and Market Data | `apiKey` | Yes | Yes |
 | [IG](https://labs.ig.com/gettingstarted) | Spreadbetting and CFD Market Data | `apiKey` | Yes | Unknown |
@@ -415,6 +420,7 @@ API | Description | Auth | HTTPS | CORS |
 ### Geocoding
 API | Description | Auth | HTTPS | CORS |
 |---|---|---|---|---|
+| [positionstack](https://positionstack.com/) |  Forward & Reverse Batch Geocoding REST API | `apiKey` | Yes | Unknown |
 | [adresse.data.gouv.fr](https://adresse.data.gouv.fr) | Address database of France, geocoding and reverse | No | Yes | Unknown |
 | [Battuta](http://battuta.medunes.net) | A (country/region/city) in-cascade location API | `apiKey` | No | Unknown |
 | [Bing Maps](https://www.microsoft.com/maps/) | Create/customize digital maps based on Bing Maps data | `apiKey` | Yes | Unknown |
@@ -443,6 +449,7 @@ API | Description | Auth | HTTPS | CORS |
 | [IP2Proxy](https://www.ip2location.com/web-service/ip2proxy) | Detect proxy and VPN using IP address | `apiKey` | Yes | Unknown |
 | [IPGeolocationAPI.com](https://ipgeolocationapi.com/) | Locate your visitors by IP with country details | No | Yes | Yes |
 | [IPInfoDB](https://ipinfodb.com/api) | Free Geolocation tools and APIs for country, region, city and time zone lookup by IP address | `apiKey` | Yes | Unknown |
+| [ipapi](https://ipapi.com/) | Real-time Geolocation & Reverse IP Lookup REST API | `apiKey` | Yes | Unknown |
 | [ipstack](https://ipstack.com/) | Locate and identify website visitors by IP address | `apiKey` | Yes | Unknown |
 | [LocationIQ](https://locationiq.org/docs/) | Provides forward/reverse geocoding and batch geocoding | `apiKey` | Yes | Yes |
 | [Mapbox](https://www.mapbox.com/developers/) | Create/customize beautiful digital maps | `apiKey` | Yes | Unknown |
@@ -580,6 +587,7 @@ API | Description | Auth | HTTPS | CORS |
 ### News
 API | Description | Auth | HTTPS | CORS |
 |---|---|---|---|---|
+| [mediastack](https://mediastack.com/) | Free, Simple REST API for Live News & Blog Articles | `apiKey` | Yes | Unknown |
 | [Associated Press](https://developer.ap.org/) | Search for news and metadata from Associated Press | `apiKey` | Yes | Unknown |
 | [Chronicling America](http://chroniclingamerica.loc.gov/about/api/) | Provides access to millions of pages of historic US newspapers from the Library of Congress | No | No | Unknown |
 | [Currents](https://currentsapi.services/) | Latest news published in various news sources, blogs and forums | `apiKey` | Yes | Yes |
@@ -796,6 +804,7 @@ API | Description | Auth | HTTPS | CORS |
 ### Text Analysis
 API | Description | Auth | HTTPS | CORS |
 |---|---|---|---|---|
+| [languagelayer](https://languagelayer.com/) |  Language Detection JSON API supporting 173 languages | `OAuth` | Yes | Unknown |
 | [Aylien Text Analysis](https://docs.aylien.com/textapi/#getting-started) | A collection of information retrieval and natural language APIs | `apiKey` | Yes | Unknown |
 | [Cloudmersive Natural Language Processing](https://www.cloudmersive.com/nlp-api) | Natural language processing and text analysis | `apiKey` | Yes | Yes |
 | [Detect Language](https://detectlanguage.com/) | Detects text language | `apiKey` | Yes | Unknown |
@@ -819,6 +828,7 @@ API | Description | Auth | HTTPS | CORS |
 | [ADS-B Exchange](https://www.adsbexchange.com/data/) | Access real-time and historical data of any and all airborne aircraft | No | Yes | Unknown |
 | [AIS Hub](http://www.aishub.net/api) | Real-time data of any marine and inland vessel equipped with AIS tracking system | `apiKey` | No | Unknown |
 | [Amadeus for Developers](https://developers.amadeus.com/self-service) | Travel Search - Limited usage | `OAuth` | Yes | Unknown |
+| [aviationstack](https://aviationstack.com/) | Real-time Flight Status & Global Aviation Data API | `OAuth` | Yes | Unknown |
 | [Bay Area Rapid Transit](http://api.bart.gov) | Stations and predicted arrivals for BART | `apiKey` | No | Unknown |
 | [BlaBlaCar](https://dev.blablacar.com) | Search car sharing trips | `apiKey` | Yes | Unknown |
 | [Community Transit](https://github.com/transitland/transitland-datastore/blob/master/README.md#api-endpoints) | Transitland API | No | Yes | Unknown |