Table of Contents
- Quick Links
- Most Popular APIs
- Skyscanner Flight Search
- Open Weather Map
- The Cocktail DB
- REST Countries v1
- Yahoo Finance
- Love Calculator
- URL Shortener Service
- SYSTRAN.io – Translation and NLP
- Chuck Norris
- Currency Exchange
- Breaking News
- Free NBA
- Email Validator
- Urban Dictionary
- Pokemon Go
- Recipe – Food – Nutrition
- Investors Exchange (IEX) Trading
- Movie Database (IMDB Alternative)
- City Geo-Location Lookup
- Temp Mail
- GeoDB Cities
- Crime Data
- Chicken Coop
- OpenAPI 1.2
- Cricket Live Scores
- Youtube To Mp3 Download
- Web Search
- Nexmo SMS Messaging API
- Currency Converter
- Flight Data
- Crypto Asset Tickers
- Most Popular API by Category
- Previous Top 50
- FAQ: Frequently Asked Questions
- Related API Collections
Last Updated: September 20, 2019
You may be asking yourself:
“What is the most popular and top used APIs out there?”
Well, ask no more.
RapidAPI has got you covered with a fat list of APIs.
With over 400 billion API calls per month, we analyzed the data to see which APIs were the most popular, starting with the top 50.
If you’re looking for the APIs to integrate into your website, software application, or mobile apps, this is the place for you.
Most Popular APIs
Out of all 10,000+ APIs on RapidAPI’s API marketplace, these are the APIs that over 1,00,000 developers use the most. For each API, click the link to explore the API documentation, or click “Learn More” to read more details about the API.
- Skyscanner Flight Search – Learn More
- Open Weather Map – Learn More
- API-FOOTBALL – Learn More
- The Cocktail DB – Learn More
- REST Countries v1 – Learn More
- Yahoo Finance – Learn More
- Love Calculator – Learn More
- URL Shortener Service – Learn More
- NasaAPI – Learn More
- Numbers – Learn More
- musiXmatch – Learn More
- SYSTRAN.io – Translation and NLP – Learn More
- Chuck Norris – Learn More
- Hearthstone – Learn More
- Currency Exchange – Learn More
- Breaking News – Learn More
- Booking – Learn More
- Free NBA – Learn More
- Deezer – Learn More
- Email Validator – Learn More
- Urban Dictionary – Learn More
- Pokemon Go – Learn More
- Recipe – Food – Nutrition – Learn More
- Investors Exchange (IEX) Trading – Learn More
- Movie Database (IMDB Alternative) – Learn More
- webcams.travel – Learn More
- City Geo-Location Lookup – Learn More
- Temp Mail – Learn More
- uNoGS – Learn More
- WordsAPI – Learn More
- GeoDB Cities – Learn More
- Crime Data – Learn More
- Kajak – Learn More
- Chicken Coop – Learn More
- Joke – Learn More
- OpenAPI 1.2 – Learn More
- Text-to-Speech – Learn More
- vin-decoder – Learn More
- Cricket Live Scores – Learn More
- Youtube To Mp3 Download – Learn More
- Web Search – Learn More
- JokeAPI – Learn More
- Genius – Learn More
- Nexmo SMS Messaging API – Learn More
- Currency Converter – Learn More
- TheRundown – Learn More
- BrainShop.AI – Learn More
- Utelly – Learn More
- Flight Data – Learn More
- Crypto Asset Tickers – Learn More
Skyscanner Flight Search
Connect to APIStarting with the most popular API, is Skyscanner.
What is Skyscanner?
Like Google Flights, Skyscanner is a metasearch engine that provides travel data for flights, hotels, car rentals and more. Skyscanner aggregates travel and flight data so you don’t have to go to multiple sites yourself to check each individual flight plan or price.
The Skyscanner API allows you to access this aggregated travel data to retrieve cheapest flight dates and quotes, browse flight routes, and much more.
Skyscanner API Endpoints
Here’s the list of all the available Skyscanner API endpoints:
- Browse Dates – Retrieve the cheapest dates for a given route from our cache.
- Browse Quotes – Retrieve the cheapest quotes from our cache prices.
- Browse Routes – Retrieve the cheapest routes from our cache prices. Similar to the Browse Quotes API but
with the routes built for you from the individual quotes.
- Create session – Create a flight search session. A successful response contains no content. The URL to
poll the results are provided in the Location header of the response.
- Currencies – Retrieve the currencies that we support.
- List Places – Get a list of places that match a query string.
- List markets – Retrieve the market countries that we support. Most suppliers (airlines, travel agents and
car hire dealers) set their fares based on the market (or country of purchase). It is, therefore, necessary to specify the
market country in every query.
- Poll session results – Get itineraries from a created session
- To Skyscanner
How much is the Skyscanner API?
The Skyscanner API is free to use on RapidAPI.com with a registered account. Sign up for a free account today!
Connect to Skyscanner Flight SearchAPI Stats
Open Weather Map
Connect to APIOpenWeatherMap is an online service that provides weather data including forecasts and historical data. Their API provides access to weather maps and forecasts for multiple cities across the world.
Open Weather Map API Endpoints
- Current Weather Data – Using this kind of requests you can get weather data in any location on the earth. The current weather data are updated online based on data from more than 40,000 weather stations.
- Daily Forecast Weather Data – You can get the weather forecast for 14 days. All weather data can be obtained in JSON or XML format.
- Forecast Weather Data – You can receive weather forecast in any location on the earth. The flexible algorithm of weather calculation let us provide weather data not only for cities but for any geographic coordinates. It is important for megapolices, for example, where the weather is different on opposite city edges. You can get forecast data every 3 hours or daily. The 3 hours forecast is available for 5 days. Daily forecast is available for 14 days. All weather data can be obtained in JSON or XML format.
- Search Weather Data – By city name. Put the city name or its part and get the list of the most proper cities in the world. Example – Lon or Lond or London. The more precise city name you put the more precise list you will get. To make it more precise put the city’s name or its part, comma, the name of the county or 2-letter country code. You will get all proper cities in the chosen county. The order is important – the first is city name then comma then the county. Example – Lon, UK or Lon, GB or London, GB or Lon, England. By geographic coordinates.
Related: Top Weather APIs
Connect to Open Weather MapAPI Stats
Connect to APIThe API-Football API is the most popular RESTful API for football (soccer) data. It covers over 132 major and minor football leagues. Get live scores, pre-match odds, events, line-ups, standings, stats, and much more.
The API has 3 pricing tiers:
- Free – $0/month – 50 Requests/day
- Pro – $19/month – 1,000 Requests/day
- Ultra – $25/month – Unlimited Requests/day
Related: Check out the best football and soccer APIs
Connect to API-FOOTBALLAPI Stats
The Cocktail DB
Connect to APITheCocktailDB is a free API that provides a crowd-sourced database of beverages and cocktails from around the world. The API is free to use for non-commercial purposes. The API allows you to search for cocktails by:
- Glasses-type (example: flute vs standard cocktail glass)
- Alcoholic-type (Alcoholic vs non-alcoholic)
Connect to The Cocktail DBAPI Stats
REST Countries v1
Connect to APIREST Countries is a simple RESTful API that provides data about the world’s countries. This API was recently acquired by apilayer and will be continued served as a free API for developers.
Connect to REST Countries v1API Stats
Connect to APIYahoo Finance is a property of Yahoo that provides financial news & data as well as online tools for personal finance management. It’s one of the more popular media properties for financial stock data.
Yahoo Finance API Endpoints
Here’s a list of the Yahoo Finance API endpoints and how to use them:
- Get Summary – This endpoint allows you to get the real-time live market summary information in a specific region at that given time.
- Get Movers – This endpoint retrieves the day’s gainers, losers, and actives within a given region.
- Get Quotes – This API Endpoint returns all relevant information for a specific stock quote or groups of stock quotes specified by symbol.
- Get Charts – This API endpoint returns data that allows you to visualize a chart for a specific symbol and its comparisons. The data includes trading periods, timestamps, comparisons, and more to help draw out charts.
Connect to Yahoo FinanceAPI Stats
Connect to APILearn the compatibility between you and the name of your crush using the love calculator API. Simply insert your name and your partner/love/crush’s name and the API calculates the percentage and compatibility result between you two.
Connect to Love CalculatorAPI Stats
URL Shortener Service
Connect to APIThe URL Shortener Service API is a simple API that converts URLs to short links. It’s completely free to use. Just paste a link to cut it!
Connect to URL Shortener ServiceAPI Stats
Connect to APIThe Nasa API is an API that queries Nasa’s database and returns statistics about:
- Asteroid Stats
- Closest Asteroids
- Earth Imagery
- Pictures of Asteroids
- Mars Rover Photos
- and much more.
Related How to use the Nasa API
Connect to NasaAPIAPI Stats
Connect to APIAn API for interesting facts about numbers. Provides trivia, math, date, and year facts about numbers.
Numbers API Endpoints include:
- Get date fact
- Get math fact
- Get random fact
- Get trivia fact
- Get year fact
Related: Math APIs
Connect to NumbersAPI Stats
Connect to APIMusiXmatch is the world’s largest lyrics database with over 50 million active users and over 14 million lyrics. The musiXmatch API grants developers access to this music, album and lyrics data.
musiXmatch API Endpoints
Here are some examples of musiXmatch API endpoints:
- Album – Get the album object
- Album.tracks – Get the list of song within an album
- Artist – Get the artist object
- Matcher.lyrics – Get the lyrics for a song starting by title and artist
- Matcher.track – Starting from your track title and artist name, find our correspondent track
- Track – Get a track from musixmatch
Related: Top Music and Audio APIs
Connect to musiXmatchAPI Stats
SYSTRAN.io – Translation and NLP
Connect to APISYSTRAN.io platform is a collection of APIs for Translation, Multilingual Dictionary lookups, Natural Language Processing (Entity recognition, Morphological analysis, Part of Speech tagging, Language Identification…) and Text Extraction (from documents, audio files or images). Learn more about SYSTRAN’s APIs.
Connect to APIThe Chuck Norris API is a hilarious API that provides random jokes and memes about the great American hero.
Connect to Chuck NorrisAPI Stats
Connect to APIHearthstone is a free-to-play online digital collectible card game developed and published by Blizzard Entertainment. The Hearthstone API is a free RESTful API that allows developers to access all Hearthstone card data such as card sets, classes, races, quality, types, factions, and more.
List of Hearthstone API Endpoints
- Info – Returns a list of current patch, classes, sets, types, factions, qualities, races and locales.
- All Cards – Returns all available Hearthstone cards including non collectible cards.
- Single Card – Returns card by name or ID. This may return more then one card if they share the same name. Loatheb returns both the card and the boss.
- Card Set – Returns all cards in a set. Example values: Blackrock Mountain, Classic.
- Cards by Class – Returns all cards in a set. Example values: Blackrock Mountain, Classic.
- Cards by Race – Returns all the cards of a certain race. Example values: Mech, Murloc.
- Cards by Quality – Returns all the cards of a certain quality. Example values: Legendary, Common.
- Cards by Type – Returns all the cards of a certain type. Example values: Spell, Weapon.
- Cards by Faction – Returns all the cards of a certain faction. Example values: Horde, Neutral.
- Card Search – Returns cards by partial name.
- Card Backs – Returns a list of all the card backs.
Related: List of Free APIs
Connect to HearthstoneAPI Stats
Connect to APIThe Currency Exchange API gets live currency exchange rates for currencies and foreign exchange rates around the world.
List of Endpoints:
- exchange – Get Currency Exchange by specifying the quotes of the source (from) and destination (to), and optionally the source amount to calculate which to get the destination amount, by default the source amount will be 1.
- listquotes – List the available quotes in JSON Array this API support, all the available quotes can be used in source and destination quote. Refer exchange endpoint for more information on how to call the currency exchange from the source quote to destination quote.
Connect to Currency ExchangeAPI Stats
Connect to APIThe Breaking News API (created by MyAllies) is a free RESTful API that provides financial news data such as real-time news feeds, company news (about a specific company), and company details (by company ticker symbol).
Connect to Breaking NewsAPI Stats
Connect to APIThe unofficial Booking.com API lets you query information such as available rooms, prices, facilities, policies, hotel reviews, and more from the Booking.com website.
Connect to BookingAPI Stats
Connect to APIThe Free NBA API is a Pro Basketball API that provides historical data for any game, team, or player.
Related: NBA Basketball Stats API
Connect to Free NBAAPI Stats
Connect to APIThe Deezer API allows developers access into Deezer’s massive music database of over 30 million tracks and playlists.
Related: Top Free Music APIs
Connect to DeezerAPI Stats
Connect to APIThe Email Validator API checks for fake DNS as well as use regex functions to check email addresses for the right length and accepted characters. For example it will mark as valid an email like ‘[email protected]’ but it will recognize as a fake ‘[email protected]’ (because of the not existing domain)
Related: Best Email APIs
Connect to Email ValidatorAPI Stats
Connect to APIUrban Dictionary is an online dictionary that provides definitions for slang words and phrases, based on the crowdsourced information.
There is an unofficial API for Urban Dictionary that accesses their database of definitions and examples.
Connect to Urban DictionaryAPI Stats