To see an updated list, of the most popular APIs go here.Here’s the previous list of the most popular APIs (2020):Skyscanner Flight Search APIOpen Weather Map APIAPI-FOOTBALL APIThe Cocktail DB APIREST Countries v1 APIYahoo Finance APILove Calculator APIURL Shortener Service APINasaAPINumbers APImusiXmatch APISYSTRAN.io – Translation and NLP APIChuck Norris APIHearthstone APICurrency Exchange APIBreaking News APIBooking APIFree NBA APIDeezer APIEmail Validator APIUrban Dictionary APIPokemon Go APIRecipe – Food – Nutrition APIInvestors Exchange (IEX) Trading APIMovie Database (IMDB Alternative) APIwebcams.travel APICity Geo-Location Lookup APITemp Mail APIuNoGS APIWordsAPIGeoDB Cities APICrime Data APIKajak APIChicken Coop APIJoke APIOpenAPI 1.2 APIText-to-Speech APIvin-decoder APICricket Live Scores APIYoutube To Mp3 Download APIWeb Search APIJokeAPI APIGenius APINexmo SMS Messaging APICurrency Converter APITheRundown APIBrainShop.AI APIUtelly APIFlight Data APICrypto Asset Tickers API  5/5 - (1 vote)« API Testing Automation with RapidAPITop 4 Katalon Alternatives »Related Blog Posts Top 50 Most Popular APIs on RapidAPI (2022) 5 Steps to Fueling a Successful Local Analytics Product Using Data Axle’s Data on RapidAPI How to Use the Horoscope API with Python, PHP, Ruby & Javascript Examples What Are Microservices? How to Use the CalorieNinjas API with Python, PHP, Ruby & Javascript Examples 8 Common API Error Examples and Use CasesFiled Under: APIs Tagged With: cool api, fun api, popular apiAlbert FangAlbert is a proactive learner and educator of software technology in the API space. In his free time, he likes to write on his personal finance blog. Product SEO @ RapidAPI.Search this websiteReader InteractionsLeave a Reply Your email address will not be published. Required fields are marked *CommentName * Email * ΔPrimary SidebarBuild anything with APIs, faster.Discover, evaluate, and integrate with any API. RapidAPI is the world’s largest API Hub with over 3,000,000 developers and 35,000 APIs.Browse APIs FooterRapidAPI LearnAPI GuidesAPI CoursesAPI GlossaryAPI TestingAPI ManagementHow to use an APIFor API ProvidersMost Popular APIsFor DevelopersFree APIs ListAPI ExamplesLearn REST APILearn GraphQLAboutTeamCareersContact UsWrite for UsAPI DirectoryPress RoomPrivacy PolicyTerms of Use copyright 2022 RapidAPI. All rights reserved.New Report: The State of Enterprise APIs Download Now