diff --git a/README.md b/README.md
index 91826902ec..22c4ced558 100644
--- a/README.md
+++ b/README.md
@@ -306,7 +306,6 @@ API | Description | Auth | HTTPS | CORS |
 ### Calendar
 API | Description | Auth | HTTPS | CORS |
 |:---|:---|:---|:---|:---|
-| [Public Holidays](https://www.abstractapi.com/holidays-api) | Data on national, regional, and religious holidays via API | `apiKey` | Yes | Yes |
 | [Calendarific](https://calendarific.com/) | Worldwide Holidays | `apiKey` | Yes | Unknown |
 | [Checkiday - National Holiday API](https://apilayer.com/marketplace/checkiday-api) | Industry-leading Holiday API. Over 5,000 holidays and thousands of descriptions. Trusted by the World’s leading companies | `apiKey` | Yes | Unknown |
 | [Church Calendar](http://calapi.inadiutorium.cz/) | Catholic liturgical calendar | No | No | Unknown |
@@ -320,6 +319,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Namedays Calendar](https://nameday.abalin.net) | Provides namedays for multiple countries | No | Yes | Yes |
 | [Non-Working Days](https://github.com/gadael/icsdb) | Database of ICS files for non working days | No | Yes | Unknown |
 | [Non-Working Days](https://isdayoff.ru) | Simple REST API for checking working, non-working or short days for Russia, CIS, USA and other | No | Yes | Yes |
+| [Public Holidays](https://www.abstractapi.com/holidays-api) | Data on national, regional, and religious holidays via API | `apiKey` | Yes | Yes |
 | [Russian Calendar](https://github.com/egno/work-calendar) | Check if a date is a Russian holiday or not | No | Yes | No |
 | [UK Bank Holidays](https://www.gov.uk/bank-holidays.json) | Bank holidays in England and Wales, Scotland and Northern Ireland | No | Yes | Unknown |
 
@@ -368,10 +368,10 @@ API | Description | Auth | HTTPS | CORS |
 ### Cryptocurrency
 API | Description | Auth | HTTPS | CORS |
 |:---|:---|:---|:---|:---|
+| [Coinlayer](https://coinlayer.com?utm_source=Github&utm_medium=Referral&utm_campaign=Public-apis-repo-Best-sellers) | Real-time Crypto Currency Exchange Rates | `apiKey` | Yes | Unknown |
 | [0x](https://0x.org/api) | API for querying token and pool stats across various liquidity pools | No | Yes | Yes |
 | [1inch](https://1inch.io/api/) | API for querying decentralize exchange | No | Yes | Unknown |
 | [Alchemy Ethereum](https://docs.alchemy.com/alchemy/) | Ethereum Node-as-a-Service Provider | `apiKey` | Yes | Yes |
-| [apilayer 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 |
 | [Bitcambio](https://nova.bitcambio.com.br/api/v3/docs#a-public) | Get the list of all traded assets in the exchange | No | Yes | Unknown |
 | [BitcoinAverage](https://apiv2.bitcoinaverage.com/) | Digital Asset Price Data for the blockchain industry | `apiKey` | Yes | Unknown |
@@ -439,19 +439,19 @@ API | Description | Auth | HTTPS | CORS |
 ### Currency Exchange
 API | Description | Auth | HTTPS | CORS |
 |:---|:---|:---|:---|:---|
+| [Currencylayer](https://currencylayer.com?utm_source=Github&utm_medium=Referral&utm_campaign=Public-apis-repo-Best-sellers) | Exchange rates and currency conversion | `apiKey` | Yes | Unknown |
+| [Exchangerate.host](https://exchangerate.host?utm_source=Github&utm_medium=Referral&utm_campaign=Public-apis-repo-Best-sellers) | Free foreign exchange & crypto rates API | No | Yes | Unknown |
+| [Exchangeratesapi.io](https://exchangeratesapi.io?utm_source=Github&utm_medium=Referral&utm_campaign=Public-apis-repo-Best-sellers) | Exchange rates with currency conversion | `apiKey` | Yes | Yes |
+| [Fixer](https://fixer.io?utm_source=Github&utm_medium=Referral&utm_campaign=Public-apis-repo-Best-sellers) | Exchange rates and currency conversion | `apiKey` | No | Unknown |
 | [1Forge](https://1forge.com/forex-data-api/api-documentation) | Forex currency market data | `apiKey` | Yes | Unknown |
 | [Amdoren](https://www.amdoren.com/currency-api/) | Free currency API with over 150 currencies | `apiKey` | Yes | Unknown |
-| [apilayer fixer.io](https://fixer.io) | Exchange rates and currency conversion | `apiKey` | No | Unknown |
 | [Bank of Russia](https://www.cbr.ru/development/SXML/) | Exchange rates and currency conversion | No | Yes | Unknown |
 | [Currency-api](https://github.com/fawazahmed0/currency-api#readme) | Free Currency Exchange Rates API with 150+ Currencies & No Rate Limits | No | Yes | Yes |
 | [CurrencyFreaks](https://currencyfreaks.com/) | Provides current and historical currency exchange rates with free plan 1K requests/month | `apiKey` | Yes | Yes |
-| [Currencylayer](https://currencylayer.com/documentation) | Exchange rates and currency conversion | `apiKey` | Yes | Unknown |
 | [CurrencyScoop](https://currencyscoop.com/api-documentation) | Real-time and historical currency rates JSON API | `apiKey` | Yes | Yes |
 | [Czech National Bank](https://www.cnb.cz/cs/financni_trhy/devizovy_trh/kurzy_devizoveho_trhu/denni_kurz.xml) | A collection of exchange rates | No | Yes | Unknown |
 | [Economia.Awesome](https://docs.awesomeapi.com.br/api-de-moedas) | Portuguese free currency prices and conversion with no rate limits | No | Yes | Unknown |
 | [ExchangeRate-API](https://www.exchangerate-api.com) | Free currency conversion | `apiKey` | Yes | Yes |
-| [Exchangerate.host](https://exchangerate.host) | Free foreign exchange & crypto rates API | No | Yes | Unknown |
-| [Exchangeratesapi.io](https://exchangeratesapi.io) | Exchange rates with currency conversion | `apiKey` | Yes | Yes |
 | [Frankfurter](https://www.frankfurter.app/docs) | Exchange rates, currency conversion and time series | No | Yes | Yes |
 | [FreeForexAPI](https://freeforexapi.com/Home/Api) | Real-time foreign exchange rates for major currency pairs | No | Yes | No |
 | [National Bank of Poland](http://api.nbp.pl/en.html) | A collection of currency exchange rates (data in XML and JSON) | No | Yes | Yes |
@@ -463,13 +463,13 @@ API | Description | Auth | HTTPS | CORS |
 ### Data Validation
 API | Description | Auth | HTTPS | CORS |
 |---|:---|:---|:---|:---|
+| [VATlayer](https://vatlayer.com/?utm_source=Github&utm_medium=Referral&utm_campaign=Public-apis-repo-Best-sellers) | VAT number validation | `apiKey` | Yes | Unknown | |
 | [Lob.com](https://lob.com/) | US Address Verification | `apiKey` | Yes | Unknown | |
 | [Postman Echo](https://www.postman-echo.com) | Test api server to receive and return value from HTTP method | No | Yes | Unknown | |
 | [PurgoMalum](http://www.purgomalum.com) | Content validator against profanity & obscenity | No | No | Unknown | |
 | [US Autocomplete](https://www.smarty.com/docs/cloud/us-autocomplete-pro-api) | Enter address data quickly with real-time address suggestions | `apiKey` | Yes | Yes | |
 | [US Extract](https://www.smarty.com/products/apis/us-extract-api) | Extract postal addresses from any text including emails | `apiKey` | Yes | Yes | |
 | [US Street Address](https://www.smarty.com/docs/cloud/us-street-api) | Validate and append data for any US postal address | `apiKey` | Yes | Yes | |
-| [vatlayer](https://vatlayer.com/documentation) | VAT number validation | `apiKey` | Yes | Unknown | |
 
 **[⬆ Back to Index](#index)**
 <br >
@@ -477,13 +477,12 @@ API | Description | Auth | HTTPS | CORS |
 ### Development
 API | Description | Auth | HTTPS | CORS |
 |:---|:---|:---|:---|:---|
+| [Userstack](https://userstack.com/?utm_source=Github&utm_medium=Referral&utm_campaign=Public-apis-repo-Best-sellers) | Secure User-Agent String Lookup JSON API | `OAuth` | Yes | Unknown |
 | [24 Pull Requests](https://24pullrequests.com/api) | Project to promote open source collaboration during December | No | Yes | Yes |
-| [Screenshot](https://www.abstractapi.com/website-screenshot-api) | Take programmatic screenshots of web pages from any website | `apiKey` | Yes | Yes |
 | [Agify.io](https://agify.io) | Estimates the age from a first name | No | Yes | Yes |
 | [API Grátis](https://apigratis.com.br/) | Multiples services and public APIs | No | Yes | Unknown |
 | [ApicAgent](https://www.apicagent.com) | Extract device details from user-agent string | No | Yes | Yes |
 | [ApiFlash](https://apiflash.com/) | Chrome based screenshot API for developers | `apiKey` | Yes | Unknown |
-| [apilayer userstack](https://userstack.com/) | Secure User-Agent String Lookup JSON API | `OAuth` | Yes | Unknown |
 | [APIs.guru](https://apis.guru/api-doc/) | Wikipedia for Web APIs, OpenAPI/Swagger specs for public APIs | No | Yes | Unknown |
 | [Azure DevOps](https://docs.microsoft.com/en-us/rest/api/azure/devops) | The Azure DevOps basic components of a REST API request/response pair | `apiKey` | Yes | Unknown |
 | [Base](https://www.base-api.io/) | Building quick backends | `apiKey` | Yes | Yes |
@@ -583,6 +582,7 @@ API | Description | Auth | HTTPS | CORS |
 | [scrapestack](https://scrapestack.com/) | Real-time, Scalable Proxy & Web Scraping REST API | `apiKey` | Yes | Unknown |
 | [ScrapingAnt](https://scrapingant.com) | Headless Chrome scraping with a simple API | `apiKey` | Yes | Unknown |
 | [ScrapingDog](https://www.scrapingdog.com/) | Proxy API for Web scraping | `apiKey` | Yes | Unknown |
+| [Screenshot](https://www.abstractapi.com/website-screenshot-api) | Take programmatic screenshots of web pages from any website | `apiKey` | Yes | Yes |
 | [ScreenshotAPI.net](https://screenshotapi.net/) | Create pixel-perfect website screenshots | `apiKey` | Yes | Yes |
 | [Serialif Color](https://color.serialif.com/) | Color conversion, complementary, grayscale and contrasted text | No | Yes | No |
 | [serpstack](https://serpstack.com/) | Real-Time & Accurate Google Search Results API | `apiKey` | Yes | Yes |
@@ -660,11 +660,11 @@ API | Description | Auth | HTTPS | CORS |
 ### Email
 API | Description | Auth | HTTPS | CORS |
 |:---|:---|:---|:---|:---|
-| [apilayer mailboxlayer](https://mailboxlayer.com) | Email address validation | `apiKey` | Yes | Unknown |
-| [Email Validation](https://www.abstractapi.com/email-verification-validation-api) | Validate email addresses for deliverability and spam | `apiKey` | Yes | Yes |
+| [mailboxlayer](https://mailboxlayer.com?utm_source=Github&utm_medium=Referral&utm_campaign=Public-apis-repo-Best-sellers) | Email address validation | `apiKey` | Yes | Unknown |
 | [Cloudmersive Validate](https://cloudmersive.com/validate-api) | Validate email addresses, phone numbers, VAT numbers and domain names | `apiKey` | Yes | Yes |
 | [Disify](https://www.disify.com/) | Validate and detect disposable and temporary email addresses | No | Yes | Yes |
 | [DropMail](https://dropmail.me/api/#live-demo) | GraphQL API for creating and managing ephemeral e-mail inboxes | No | Yes | Unknown |
+| [Email Validation](https://www.abstractapi.com/email-verification-validation-api) | Validate email addresses for deliverability and spam | `apiKey` | Yes | Yes |
 | [EVA](https://eva.pingutil.com/) | Validate email addresses | No | Yes | Yes |
 | [Guerrilla Mail](https://www.guerrillamail.com/GuerrillaMailAPI.html) | Disposable temporary Email addresses | No | Yes | Unknown |
 | [ImprovMX](https://improvmx.com/api) | API for free email forwarding service | `apiKey` | Yes | Unknown |
@@ -735,11 +735,10 @@ API | Description | Auth | HTTPS | CORS |
 ### Finance
 API | Description | Auth | HTTPS | CORS |
 |---|:---|:---|:---|:---|
-| [VAT Validation](https://www.abstractapi.com/vat-validation-rates-api) | Validate VAT numbers and calculate VAT rates | `apiKey` | Yes | Yes | |
+| [Marketstack](https://marketstack.com/?utm_source=Github&utm_medium=Referral&utm_campaign=Public-apis-repo-Best-sellers) | Real-Time, Intraday & Historical Market Data API | `apiKey` | Yes | Unknown | |
 | [Aletheia](https://aletheiaapi.com/) | Insider trading data, earnings call analysis, financial statements, and more | `apiKey` | Yes | Yes | |
 | [Alpaca](https://alpaca.markets/docs/api-documentation/api-v2/market-data/alpaca-data-api-v2/) | Realtime and historical market data on all US equities and ETFs | `apiKey` | Yes | Yes | |
 | [Alpha Vantage](https://www.alphavantage.co/) | Realtime and historical stock data | `apiKey` | Yes | Unknown | |
-| [apilayer marketstack](https://marketstack.com/) | Real-Time, Intraday & Historical Market Data API | `apiKey` | Yes | Unknown | |
 | [Banco do Brasil](https://developers.bb.com.br/home) | All Banco do Brasil financial transaction APIs | `OAuth` | Yes | Yes | |
 | [Bank Data API](https://apilayer.com/marketplace/bank_data-api) | Instant IBAN and SWIFT number validation across the globe | `apiKey` | Yes | Unknown | |
 | [Billplz](https://www.billplz.com/api) | Payment platform | `apiKey` | Yes | Unknown | |
@@ -776,6 +775,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Tax Data API](https://apilayer.com/marketplace/tax_data-api) | Instant VAT number and tax validation across the globe | `apiKey` | Yes | Unkown | |
 | [Tradier](https://developer.tradier.com) | US equity/option market data (delayed, intraday, historical) | `OAuth` | Yes | Yes | |
 | [Twelve Data](https://twelvedata.com/) | Stock market data (real-time & historical) | `apiKey` | Yes | Unknown | |
+| [VAT Validation](https://www.abstractapi.com/vat-validation-rates-api) | Validate VAT numbers and calculate VAT rates | `apiKey` | Yes | Yes | |
 | [WallstreetBets](https://dashboard.nbshare.io/apps/reddit/api/) | WallstreetBets Stock Comments Sentiment Analysis | No | Yes | Unknown | |
 | [Yahoo Finance](https://www.yahoofinanceapi.com/) | Real time low latency Yahoo Finance API for stock market, crypto currencies, and currency exchange | `apiKey` | Yes | Yes | |
 | [YNAB](https://api.youneedabudget.com/) | Budgeting & Planning | `OAuth` | Yes | Yes | |
@@ -921,13 +921,13 @@ API | Description | Auth | HTTPS | CORS |
 ### Geocoding
 API | Description | Auth | HTTPS | CORS |
 |:---|:---|:---|:---|:---|
-| [IP Geolocation](https://www.abstractapi.com/ip-geolocation-api) | Geolocate website visitors from their IPs | `apiKey` | Yes | Yes |
+| [IPstack](https://ipstack.com/?utm_source=Github&utm_medium=Referral&utm_campaign=Public-apis-repo-Best-sellers) | Locate and identify website visitors by IP address | `apiKey` | Yes | Unknown |
+| [ipapi.com](https://ipapi.com/?utm_source=Github&utm_medium=Referral&utm_campaign=Public-apis-repo-Best-sellers) | Real-time Geolocation & Reverse IP Lookup REST API | `apiKey` | Yes | Unknown |
 | [Actinia Grass GIS](https://actinia.mundialis.de/api_docs/) | Actinia is an open source REST API for geographical data that uses GRASS GIS | `apiKey` | Yes | Unknown |
 | [administrative-divisons-db](https://github.com/kamikazechaser/administrative-divisions-db) | Get all administrative divisions of a country | No | Yes | Yes |
 | [adresse.data.gouv.fr](https://adresse.data.gouv.fr) | Address database of France, geocoding and reverse | No | Yes | Unknown |
 | [Airtel IP](https://sys.airtel.lv/ip2country/1.1.1.1/?full=true) | IP Geolocation API. Collecting data from multiple sources | No | Yes | Unknown |
 | [Apiip](https://apiip.net/) | Get location information by IP address | `apiKey` | Yes | Yes |
-| [apilayer ipstack](https://ipstack.com/) | Locate and identify website visitors by IP address | `apiKey` | Yes | Unknown |
 | [Battuta](http://battuta.medunes.net) | A (country/region/city) in-cascade location API | `apiKey` | No | Unknown |
 | [BigDataCloud](https://www.bigdatacloud.com/ip-geolocation-apis) | Provides fast and accurate IP geolocation APIs along with security checks and confidence area | `apiKey` | Yes | Unknown |
 | [Bing Maps](https://www.microsoft.com/maps/) | Create/customize digital maps based on Bing Maps data | `apiKey` | Yes | Unknown |
@@ -963,10 +963,10 @@ API | Description | Auth | HTTPS | CORS |
 | [IP Address Details](https://ipinfo.io/) | Find geolocation with ip address | No | Yes | Unknown |
 | [IP Vigilante](https://www.ipvigilante.com/) | Free IP Geolocation API | No | Yes | Unknown |
 | [ip-api](https://ip-api.com/docs) | Find location with IP address or domain | No | No | Unknown |
+| [IP Geolocation](https://www.abstractapi.com/ip-geolocation-api) | Geolocate website visitors from their IPs | `apiKey` | Yes | Yes |
 | [IP2Location](https://www.ip2location.com/web-service/ip2location) | IP geolocation web service to get more than 55 parameters | `apiKey` | Yes | Unknown |
 | [IP2Proxy](https://www.ip2location.com/web-service/ip2proxy) | Detect proxy and VPN using IP address | `apiKey` | Yes | Unknown |
 | [ipapi.co](https://ipapi.co/api/#introduction) | Find IP address location information | No | Yes | Yes |
-| [ipapi.com](https://ipapi.com/) | Real-time Geolocation & Reverse IP Lookup REST API | `apiKey` | Yes | Unknown |
 | [IPGEO](https://api.techniknews.net/ipgeo/) | Unlimited free IP Address API with useful information | No | Yes | Unknown |
 | [ipgeolocation](https://ipgeolocation.io/) | IP Geolocation AP with free plan 30k requests per month | `apiKey` | Yes | Yes |
 | [IPInfoDB](https://www.ipinfodb.com/api) | Free Geolocation tools and APIs for country, region, city and time zone lookup by IP address | `apiKey` | Yes | Unknown |
@@ -1238,7 +1238,7 @@ API | Description | Auth | HTTPS | CORS |
 ### News
 API | Description | Auth | HTTPS | CORS |
 |:---|:---|:---|:---|:---|
-| [apilayer mediastack](https://mediastack.com/) | Free, Simple REST API for Live News & Blog Articles | `apiKey` | Yes | Unknown |
+| [Mediastack](https://mediastack.com?utm_source=Github&utm_medium=Referral&utm_campaign=Public-apis-repo-Best-sellers) | 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 |
@@ -1363,10 +1363,10 @@ API | Description | Auth | HTTPS | CORS |
 ### Phone
 API | Description | Auth | HTTPS | CORS |
 |:---|:---|:---|:---|:---|
-| [Phone Validation](https://www.abstractapi.com/phone-validation-api) | Validate phone numbers globally | `apiKey` | Yes | Yes |
-| [apilayer numverify](https://numverify.com) | Phone number validation | `apiKey` | Yes | Unknown |
+| [Numverify](https://numverify.com?utm_source=Github&utm_medium=Referral&utm_campaign=Public-apis-repo-Best-sellers) | Phone number validation | `apiKey` | Yes | Unknown |
 | [Cloudmersive Validate](https://cloudmersive.com/phone-number-validation-API) | Validate international phone numbers | `apiKey` | Yes | Yes |
 | [Phone Specification](https://github.com/azharimm/phone-specs-api) | Rest Api for Phone specifications | No | Yes | Yes |
+| [Phone Validation](https://www.abstractapi.com/phone-validation-api) | Validate phone numbers globally | `apiKey` | Yes | Yes |
 | [Veriphone](https://veriphone.io) | Phone number validation & carrier lookup | `apiKey` | Yes | Yes |
 
 **[⬆ Back to Index](#index)**
@@ -1375,7 +1375,7 @@ API | Description | Auth | HTTPS | CORS |
 ### Photography
 API | Description | Auth | HTTPS | CORS |
 |:---|:---|:---|:---|:---|
-| [apilayer screenshotlayer](https://screenshotlayer.com) | URL 2 Image | No | Yes | Unknown |
+| [Screenshotlayer](https://screenshotlayer.com?utm_source=Github&utm_medium=Referral&utm_campaign=Public-apis-repo-Best-sellers) | URL to screenshot | No | Yes | Unknown |
 | [APITemplate.io](https://apitemplate.io) | Dynamically generate images and PDFs from templates with a simple API | `apiKey` | Yes | Yes |    
 | [Bruzu](https://docs.bruzu.com) | Image generation with query string | `apiKey` | Yes | Yes |
 | [CheetahO](https://cheetaho.com/docs/getting-started/) | Photo optimization and resize | `apiKey` | Yes | Unknown |
@@ -1853,10 +1853,10 @@ API | Description | Auth | HTTPS | CORS |
 ### Weather
 API | Description | Auth | HTTPS | CORS |
 |:---|:---|:---|:---|:---|
+| [Weatherstack](https://weatherstack.com/?utm_source=Github&utm_medium=Referral&utm_campaign=Public-apis-repo-Best-sellers) | Real-Time & Historical World Weather Data API | `apiKey` | Yes | Unknown |
 | [7Timer!](http://www.7timer.info/doc.php?lang=en) | Weather, especially for Astroweather | No | No | Unknown |
 | [AccuWeather](https://developer.accuweather.com/apis) | Weather and forecast data | `apiKey` | No | Unknown |
 | [Aemet](https://opendata.aemet.es/centrodedescargas/inicio) | Weather and forecast data from Spain | `apiKey` | Yes | Unknown |
-| [apilayer weatherstack](https://weatherstack.com/) | Real-Time & Historical World Weather Data API | `apiKey` | Yes | Unknown |
 | [APIXU](https://www.apixu.com/doc/request.aspx) | Weather | `apiKey` | Yes | Unknown |
 | [AQICN](https://aqicn.org/api/) | Air Quality Index Data for over 1000 cities | `apiKey` | Yes | Unknown |
 | [AviationWeather](https://www.aviationweather.gov/dataserver) | NOAA aviation weather forecasts and observations | No | Yes | Unknown |