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This is an attempt to categorise different APIs scoured from the web which make their resources available for consumption.

Items marked with Open Source are open-source

Items marked with đź’¸ are trial based APIs

Table of Contents

APIs

Advertising

APIDescriptionOpen/Trial
Amazon Mobile AdsMonetize across platforms with multiple ad formats.N/A
Facebook Marketing APIManage ads and campaigns using the Facebook API.N/A
Google AdSenseFree, flexible way to earn money from your websites, mobile sites, and site search results.N/A
Google AdWords APIManage Google AdWords campaigns programmatically.N/A
Kevel Ad APIsBuild your own ad server with Kevel's ad APIs.N/A
Microsoft Advertising Platform - Bing Ads APIProvides programmatic access to various advertising technologies.N/A
Yahoo Gemini APIAllows advertisers to manage complex Gemini accounts and campaigns more efficiently.N/A

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Analytics

APIDescriptionOpen/Trial
Amazon Mobile AnalyticsService for collecting, visualizing, and understanding app usage data at scale.N/A
ClickyAllows you to extract your website's traffic data into several formats, making it easy to integrate, analyze, or store your data within your own application.N/A
Companies taking actionAPI access to the "companies taking action" list from SBTI.N/A
DitchCarbon APIDitchCarbon provides API access to their dataset of company and product carbon emissions disclosures, also includes reccommended actions for each company to decarbonise.đź’¸
FabricA platform that helps your mobile team build better apps, understand your users, and grow your business.N/A
Google AnalyticsGoogle Analytics provides APIs to collect, configure, and report on user-interactions with your online content.N/A
LocalyticsInterface to Localytics analytics platform.N/A
MatomoMatomo is an all-in-one premium web analytics platform designed to give you the most conclusive insights.đź’¸
MixPanelAnalytics for mobile and web which helps you analyze the actions people take in your application.N/A
Open Web AnalyticsProvides a way to request and work with your data outside of the OWA reporting interface.N/A
TickselFriendly website analytics made for humans. Secure and powerful yet simple to use.N/A
WoopraReal-time website analysis tool that targets customer engagement.N/A
Zoho Reports APIBuild powerful reporting and analytical capabilities into your application.N/A

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Augmented Reality

APIDescriptionOpen/Trial
VuforiaSolid SDK with robust development options.đź’¸
WikitudeWikitude’s all-in-one AR solution includes image recognition & tracking, 3D model rendering, video overlay, location based AR.💸

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BarCode

APIDescriptionOpen/Trial
Dynamic QR CodeGenerate dynamic and static QR Codes.đź’¸
Google BarcodeThe Barcode API detects barcodes in real-time, on device, in any orientation. It can also detect multiple barcodes at once.N/A
EAN-SearchThe EAN-Search API allows you to lookup products by EAN, UPC or GTIN barcode.đź’¸
QR Code APIQR Code REST API. Can create QR code images or read existing images and return the contents.đź’¸
QR Code Generator APIStatic and Dynamic QR code generator APIđź’¸
Stakdek's QR Generator APIReturns QR code image. Uses python qrcode.N/A

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Big Data and Analytics

APIDescriptionOpen/Trial
Google ChartsFree tool with a wide range of capabilities for visualizing data from a website.N/A
Keen IOKeen IO is a powerful, flexible, and scalable solution that’s literally Big Data, easy-to-implement and at your fingertips.N/A
Mongo DBmongoDB is ideal for developers who want precise control over the final results and processes for handling Big Data.N/A
LinkedData.Centera RDF graph database as a service with W3C SPARQL query and SPARQL update apis.đź’¸

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Cryptocurrency/Crypto Wallets

APIDescriptionOpen/Trial
BitcoinFind useful resources, guides and reference material for developers.N/A
BitcoinchartsYou can use this API to include markets data in your websites, mobile apps or desktop applets.N/A
bitpayA simple, RESTful API to the most powerful bitcoin infrastructure on the planet.N/A
BlockThe most versatile and secure wallet for all your coins.N/A
BlockCypherBlockCypher is the infrastructure fabric for blockchain applications.N/A
BlockFacts.ioCompliance-first digital asset data with REST and WebSocket API support. Real-time cryptocurrency data from multiple exchanges via a single unified API. SDKs for integration, rich historic tick data.N/A
CoinbaseCoinbase APIs and developer tools make building bitcoin and blockchain apps much easier.N/A
CoinDeskBitcoin Price Index.N/A
CoingeckoFree and Public Cryptocurrency API which you can use without an API key.N/A
CoinloreCryptocurrency tick data API.N/A
CoinMarketCapCryptocurrencies Prices.N/A
coinpaprikaCryptocurrencies prices, market capitalization, volume and more.N/A
CryptoCompareCryptocurrencies Comparison.N/A
CryptonatorCryptocurrencies Exchange Rates.N/A
CoinigyInteract with Coinigy Accounts and Exchange Accounts Directly.N/A
CovalentMulti-blockchain data aggregator at one unified API.N/A
Exchange Rates APIMarket Prices and exchanges rates api.N/A
PENDAXJavascript SDK for Trading, Data, and Websockets for FTX, FTXUS, OKX, Bybit, & More.N/A
PoloniexUS based digital asset exchange.N/A
ShapeShift.ioExchange between cryptocurrencies without an account. Well documented API for easy use.N/A
Technical AnalysisCryptocurrency prices, technical analysis and sentiment detection.N/A

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Calendar

APIDescriptionOpen/Trial
CalendarIndexWorldwide Holidays and Working Days API.N/A
DigiDates APIRest API for date and time calculations.Open Source
Holiday APIPublic holiday API service for several supported countries.N/A
OpenHolidays APIPublic and school holidays for European countries via an open REST API.Open Source

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Captcha

APIDescriptionOpen/Trial
Anti-CaptchaAccess to Anti-Captcha’s API.N/A
ProxyCrawlCrawl and scrape websites without the need for proxies, infrastructure or browsers. We solve captchas for you and prevent you being blocked while speeding up your development.đź’¸
Google reCAPTCHAReCAPTCHA lets you embed a CAPTCHA in your web pages in order to protect them against spam and other types of automated abuse.N/A

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Check-In

APIDescriptionOpen/Trial
Facebook Check-InA check-in made to a location-based Page.N/A
Google PlacesAccess to Google Places’ API.N/A
Foursquare Check-InAllows you to check in to a place.N/A

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Commerce

APIDescriptionOpen/Trial
Commerce LayerCommerce Layer is a headless commerce platform that lets you add global ecommerce capabilities to any website, mobile app, chatbot, or IoT device, with ease. Using the language, CMS, and tools you already master and love.N/A
envoiceInvoicing for online businesses. Simplify your invoicing process and get paid online with a debit or credit card via your payment gateway.N/A
koomaloomaA Loyalty BPaaS (Business Process as a Service) for mobile and web companies. Merchants issue points for actions their customers/users make, for example a purchase or a referral. koomalooma takes care of all the rest, from signing up users, keeping track of points and delivering rewards in over 80 countries.đź’¸
MoltinUnified APIs for inventory, carts, the checkout process, payments and more, so you can focus on creating seamless customer experiences at any scale.N/A
StripeAllows both private individuals and businesses to accept payments over the Internet.N/A
RepetitiRepetiti 3d Printer Management Service, access and control 3d Printers easily.Open Source
BraintreeSpecializes in mobile and web payment systems for ecommerce companies.N/A
Yellow Pages APIGet data for all categories of businesses in any city of the US.Open Source

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Communication

APIDescriptionOpen/Trial
Africa's TalkingAccess African telco services through a HTTP API.đź’¸
iP1smsSend and receive SMS messages worldwide.đź’¸
EqivoTelephony/Programmable-Voice API platform.Open Source
MailGunTransactional Email API Service For Developers. Free first 10000 emails per month.đź’¸
NexmoMake and receive phone calls, send and receive SMS worldwide. Libraries in Node, Ruby, Java, PHP, .NET & Python.đź’¸
SakariSend and Receive SMS to over 200+ countries around the world. Send one or one million messages from a single API call.đź’¸
TelnyxBuild Voice, SMS, Fax, Networking and Cellular IoT applications on a private, purpose-built global communications network.đź’¸
The SMS WorksThe SMS Works provides a low-cost, reliable SMS API for developers. Pay only for delivered texts, all failed messages are refunded.đź’¸
TwilioAPIs for SMS, Voice, Video and more.đź’¸

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Content

APIDescriptionOpen/Trial
BibleLightning-fast Bible API, featuring support for over 200+ translations and counting.Open Source
BibleJSON API for public domain and open bible translations.Open Source
Fruits APIAPI GraphQL with information on fruit trees of the world.Open Source
JokesFull featured Jokes APIđź’¸
Perfect Tense APIThe Perfect Tense API is the only spelling and grammar checking API that uses artificial intelligence to correct all of your text automatically in one call.đź’¸
qKast Channel ContentAccess live content collections sourced from any page around the web.N/A
Random Data GeneratorAPI Generator for telephones, text, numbers, passwords, names, social security numbers, and cards.đź’¸
Random FactsRandom Facts APIđź’¸
SLFGerman city, country, river, database.Open Source
Today in HistoryDaily historical events, births and deaths API.Open Source
WikipediaFree multilingual Encyclopedia.N/A

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Currency

APIDescriptionOpen/Trial
1Forge.comReal-time forex and crypto quotes via JSON and WebSocket.N/A
Coingecko.comFree, comprehensive cryptocurrency API.N/A
Currency-apiFree Currency Exchange Rates API with 150+ Currencies & No Rate Limits.Open Source
CurrencyLayer.comExchange rates and currency conversion API.N/A
CurrencyScoop.comReal-time and historical currency rates JSON API.N/A
Ecb.europa.euFree currency exchange rates from european central bank(personal use).N/A
ExchangeRate-API.comCurrency conversion API.N/A
ExchangeRatesAPI.ioForeign exchange rates API with currency conversion.Open Source
Fixer.ioJSON API for foreign exchange rates and currency conversion. End of day data only.N/A
Frankfurter.appExchange rates and currency data API.Open Source
OpenRates.ioLive exchange rates and currency conversion API.N/A
ratesapi.ioFree foreign currency exchange rates and currency conversion.N/A

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Design

APIDescriptionOpen/Trial
DribbbleDribbble is a community of designers answering that question each day.N/A
Icon HorseGet the favicon logo for any web address, customizable and complete with a fallback if it fails.N/A
PexelsPexels provides high quality and completely free stock photos licensed under the Creative Commons Zero (CC0) license.N/A
PHP-NoiseNoise background image generator api with various parameters.Open Source

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Dictionary

APIDescriptionOpen/Trial
AgarathiTamil language Dictionary API.đź’¸
Cambridge Dictionaries OnlineAccess to Cambridge’s custom-developed API.💸
Datamuse APIWord-finding query engine that finds words that match a given set of constraints and that are likely in a given context.đź’¸
Free Dictionary APIGet word definitions for free.N/A
Lingua Robot APIDefinition of words, pronunciations, synonyms and antonyms, lemmatization and morpheme segmentation.đź’¸
Merriam-Webster Dictionary APIGives developers access to a big ass resource of dictionary and thesaurus content as well as specialized medical, Spanish, ESL, and student-friendly vocabulary.N/A
Oxford Dictionary APIAccess to Oxford Dictionary services with several different subscription options including a free tier.đź’¸
WordnikDictionary functions.N/A
Words APIUse it to find definitions for more than 150,000 words.N/A
Wiktionary APICollaborative, free-content multilingual dictionary.N/A

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Entertainment

APIDescriptionOpen/Trial
AnilistFree Graphql api for thousands of animes, mangas, characters and staffN/A
Bob's Burgers APIGet data for hundreds of characters, episodes, running gags, and images from the show.Open Source
Breaking Bad & Better Call Saul APIGet data about characters, episodes, quotes, and deaths.N/A
Buffy the Vampire Slayer and Angel APIGet episode, cast and crew data from Buffy the Vampire Slayer and AngelOpen Source
Cat as a Service (CATAAS)Is a REST API to spread peace and love (or not) thanks to cats.N/A
Comic VineAn extremely mature, well organized and continually updated resource of comic information.N/A
Comichron DataAPI for comic sales data from comichron.com.Open Source
DanbooruGet images categorized by tags.N/A
DuneA simple API which provides you with book, character, movie and quotes JSON data.Open Source
Final Space APIA RESTful API that provides information and images about the Final Space show.Open Source
Fun Translations APITranslate to over 50+ languages from various TV Series and Movies.N/A
Jandapress APIA doujinshi API with gather in mind.Open Source
Lord of the Rings APIGet data about the books, the movie trilogy, many characters and quotes.N/A
Lustpress APIPorn videos API that gather from popular adult sites.Open Source
MarvelAccess over 70 years of comic data with Marvel's official developer API.N/A
My Anime List APIGet data about any specific anime or anime genre of your choice.Open Source
Nick Cannon Baby APIJSON API for entertainer Nick Cannon's many children and baby mamas.Open Source
Owen Wilson Wow APIJSON API for actor Owen Wilson's "wow" exclamations in movies.Open Source
PokéapiAll the Pokémon data you'll ever need, in one place.Open Source
Rick and MortyAll the Rick and Morty information, including images.Open Source
Riddles APIAn API to get random riddlesOpen Source
Star Trek API (STAPI)STAPI, a Star Trek API.Open Source
Star Wars API (SWAPI)All things Star Wars, based on Wookpedia and other sources. Reboot of original swapi.co, guaranteed to be maintained.Open Source
Studio GhibliResources from Studio Ghibli films.Open Source
StockX APIUnofficial API listing 150k+ sneakers and fashion products with daily-updated prices.N/A
TCGdexA Multilanguage Pokémon TCG Database with Cards Pictures and most of the information contained on the cards.Open Source

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Events

APIDescriptionOpen/Trial
PicaticSell tickets directly from your app or website.N/A

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Face Recognition

APIDescriptionOpen/Trial
KairosFace recognition, emotion analysis and measuring engagement of people in images or videos for any mobile or web application. 30 Day Trialđź’¸
SkybiometryFace detection, emotional analysis, face grouping, recognition service and tagging the photo.N/A

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File Storage and Manipulation

APIDescriptionOpen/Trial
Amazon S3API that provides access to stored files and can be added easily to any service - and it's free for twelve months.đź’¸
CloudinaryAPI for image and video storage and manipulation - free for up to 75,000 images and 7,500 manipulations per month, good documentation. It can also manipulate GIFs and PDFs.N/A
DigitalOcean SpacesAPI that provides easy access to store and receive files as simple object storage with easy to understand pricing. 2 Month Free Trialđź’¸
DropboxAPI for accessing stored files and pictures which is easy to use and free for small amounts of data.N/A
FilestackAPI for image and file manipulation, 250 uploads and 500 uploads per month for free, free CDN, HTML widget.N/A
Microsoft GraphAPI for accessing stored files and photos for personal and enterprise users with high resolution thumbnails and Microsoft Office APIs.N/A
PDF BlocksAPI for working with PDF documents (merge, add password, watermark, and more). Well documented, easy to use. 14-day free trial.đź’¸
SignNow API – eSign API by airSlateEmbed branded eSignature workflows in your app and quickly customize them to your user needs.💸
SmashSmash API & SDK to upload large files on websites, mobile apps, SaaS solutions and custom workflows.đź’¸
Vector ExpressAPI for converting, processing and analyzing vector files.N/A
Verizon CloudAPI for accessing stored pictures and other files stored by users of Verizon Cloud app.N/A
VertopalThe Vertopal API lets you convert files to a variety of formats.đź’¸

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Finance

APIDescriptionOpen/Trial
Alpha VantageY Combinator backed API provider for stock, ETF, mutual fund, forex, and crypto data. There is also a 2000+ star Python wrapper for it on GitHub.N/A
Atom FinanceAtom Finance provides access to market, earnings and news data.đź’¸
IEXFree Stocks and Market Data.N/A
Twelve DataStock market data (real-time & historical).N/A
AustraliaPlenty of kinds of data in CSV format.N/A
CanadaDaily exchange rates and statistical data tables in CSV, XML or JSON formats.N/A
Exchange RatesForeign exchange rates API with currency conversion. JSON & CORS.Open Source
IBANAPIValidate IBAN number & get bank account from it.đź’¸
IrelandVariety of data mainly in XLS format.N/A
MyanmarCurrency exchange rates in JSON format.N/A
MoldovaCurrency exchange rates in XML, JSON and XLS formats.N/A
New ZealandVariety of data in XLS format.N/A
NigeriaExchange rates and other info in CSV formatN/A
Parqet Logo APIFree Company Logo API for 400k+ stocks, ETF, mutual funds, crypto and more in SVG, PNG and JPG format.N/A
PeruVariety of data in XLSX format.N/A
PolandCurrency exchange rates and gold prices in the XML and JSON formats.N/A
Russian FederationHistory of exchange rates via REST XML and far more macroeconomical info via SOAP.N/A
SwitzerlandRich variety of data in XLS and CSV formats.N/A
UkraineExchange rates and bond placements in JSON and XML formats.N/A
Portfolio OptimizerAPI for investment portfolio optimization.N/A

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Fitness

APIDescriptionOpen/Trial
FitBitWeb API for accessing data from Fitbit activity trackers, Aria scale, and manually entered logs.N/A
HealthGraphRunKeeper's web-based HealthGraph API presents Health Graph data, and provides information about a user and friends.N/A
Open Food FactsOpen Food Facts is a database of food products with ingredients, allergens, nutrition facts and all the tidbits of information we can find on product labels.N/A
StravaAPI for accessing and managing data about athletes, activities and segments.N/A
VeganCheckAPI that provides a couple of information about a food or non-food product based on its EAN/UPC code.Open Source
WithingsAccess to data from Withings activity trackers and body measures.N/A

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Google

APIDescriptionOpen/Trial
Gmail APIThe Gmail REST API. v1N/A
Google BigQuery APIA data platform for customers to create, manage, share and query data. v2N/A
Google Books APILets you search for books and manage your Google Books library. v1N/A
Google Calendar APILets you manipulate events and other calendar data. v3N/A
Google Classroom APIThe Google Classroom API. v1N/A
Google CustomSearch APILets you search over a website or collection of websites. v1N/A
Google Drive APIThe API to interact with Google Drive. v3N/A
Google Fitness APIThe Fit API. v1N/A
The Google Fonts Developer API.The Google Fonts API helps you add fonts to any web page. v1N/A
Google Genomics APIProvides access to Genomics data. v1beta2N/A
Google Identity Toolkit API.Helps third party sites implement federated login. v1N/A
Google Monitoring APIAPI for accessing Google Cloud and API monitoring data. v2beta2N/A

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Identity Verification

APIDescriptionOpen/Trial
BlockScoreA real-time API for verifying an identity by name, address, date of birth, and social security number.Unknown
CognitoA powerful API for verifying and retrieving identity information. Can take a customer's cellphone number and return name, address history, full SSN, and date of birth.N/A
Whitepages ProGlobal Identity Verification API. Get a clearer picture of your customer. Instantly know if a name, address, phone number, email, and IP all belong to the same person. Every country in the world is supported.đź’¸

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Image Moderation

APIDescriptionOpen/Trial
WebPurifyProvides live image moderation by humans. Free for the first 100 images. 2¢ per image after.💸

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IoT

APIDescriptionOpen/Trial
AblyAPI for making cross-protocol real time communication between devices easy.N/A
ParticleAPI to manage Particle devices (including their own Arduino-compatible ones and the Raspberry Pi) and control them. Free for up to 25 devices and 250k events/month.N/A
PubNubAPI to make real time applications with a variety of hardware devices including Arduino, RPi, Kinoma, Atmel, Samsung Smart TV WebOS, and more.Open Source
Philips HueRegistration (free) and local Hue Bridge (not free) required - Control Hue brand lights made by Philips. API calls are made to the Hue Bridge residing on the local network. Includes a web based UI.N/A
SmartThingsAPI for Samsung SmartThings Smart Home Hub products (ZigBee, Z-Wave, IP).N/A
Temboo SDKThis platform acts as a layer on top of third-party APIs, using code snippets to trigger complex processes that run through their cloud platform.N/A
ThingSpeak“Internet of Things” application and API to store and retrieve data from things using HTTP over the Internet or via a Local Area Network.N/A
XivelyUses free and open libraries to let you connect different types of hardware, using a variety of languages to their cloud service.N/A
ZettaAn open source platform built on Node.js for creating IoT servers that run across geo-distributed computers and the cloud.Open Source

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Legal

Open Licenses

APIDescriptionOpen/Trial
GitHub Licenses APIN/AN/A
ToSDR Terms Of Service APIN/AN/A

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Login Authentication

APIDescriptionOpen/Trial
Auth0Authenticate and authorize apps and APIs with any identity provider running on any stack, any device or cloud. Free for 700 active users.N/A
Facebook Login for AppsSecure, fast, convenient way to login in your app/website.N/A
FirebaseAuthentication, analytics, cloud messaging, crash reporting, ads and more.N/A
GitHub AuthenticationAccess to GitHub’s Authentication API.N/A
InstagramAccess to Instagram’s OAuth API.N/A
LinkedInMake it convenient for your users to sign in with their professional identity.N/A
PayPalEnables your customers to sign in to your website quickly and securely using their PayPal login credentials.N/A
SalesforceSalesforce uses the OAuth protocol to allow users of applications to securely access data without having to reveal username and password credentials.N/A
Twitter Sign-inWorks on websites, iOS, mobile and desktop applications.N/A
WorkOSSupport Single Sign-On for common Enterprise Identity Providers (Okta, Azure, OneLogin).N/A

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Machine Learning

APIDescriptionOpen/Trial
Amazon ML APIAmazon Machine Learning API simplifies the process of making predictions that require lots of expertise around model building, data cleansing and statistical analysis.N/A
AYLIENAYLIEN Text Analysis API is a package of Natural Language Processing, Information Retrieval and Machine Learning tools for extracting meaning and insight from textual and visual content with ease.N/A
Big MLBigML is a user-friendly and developer-friendly Machine learning API that mainly concentrates on decision trees.N/A
Cloud Machine Learning EngineCloud-based machine learning and pattern matching tool.N/A
Microsoft Azure Machine Learning APIHelps data scientists publish in minutes which once used to take days after they had developed a feasible model.N/A
ObjectCutAutomatic background removal service powered by AI. From an input image given its public-accessible URL or being the image itself, ObjectCut returns the same image but without background.N/A
OVHcloud AI EndpointsSimplify GenAI & ML integration with secure, ready-to-use APIs.N/A
UnpluggAutomated Forecasting API for timeseries data which can be used to forecast energy consumption, temperature, or any other timeseries data which has some seasonality effect.N/A

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Maps

APIDescriptionOpen/Trial
Amazon Maps API v2Add interactive 3D maps, graphics, and custom overlays to your Fire Tablet and Fire phone apps.N/A
Bing MapsBing Maps platform provides multiple API options for your application.N/A
Cartes.ioCreate maps and markers for anything, without authentication.Open Source
CartoDBAllows you to generate maps based on data hosted in your CartoDB account.N/A
Daum Maps APIDaum Maps provides multiple APIs for the Korean map.N/A
Google Maps APIGoogle Maps APIs are available for Android, iOS, web browsers and through HTTP web services. Clients can be found here.N/A
HERE Maps APIWide range of APIs available through JavaScript, iOS, Android, or REST services.N/A
Leaflet.jsAn open-source JavaScript library for mobile-friendly interactive maps.Open Source
MapboxAccess to MapBox’s API.N/A
Open Street MapAPI access to OSM.N/A
ScribbleThe Scribble Maps API is a cross browser, mobile ready, HTML5/JavaScript, interactive map builder.N/A
Yahoo MapsYahoo Maps lets you easily embed rich and interactive maps using your choice of platform.N/A
YandexAPI for installing Yandex.Maps and the necessary tools for working it on your web app or site.N/A

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Math

APIDescriptionOpen/Trial
NewtonAn API for Arithmetic and Symbolic Math.Open Source

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Medical

APIDescriptionOpen/Trial
COVID-19 DataGet live and historical data regarding Coronavirus cases per country.Open Source
InfermedicaAI-based engine for patient triage and preliminary medical diagnosis. v2N/A

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Miscellaneous

APIDescriptionOpen/Trial
Aadhaar BridgeAadhaar is a 12-digit unique identification number issued by the Indian government to every individual resident of India. API allows you to authenticate and perform ekYC and eSign using Aadhar.đź’¸
Mozilla AddonsMozilla's catalogue of addons for Firefox-compatible web browsers.Open Source
Art Institute of Chicago APIAllows developers to explore and integrate the Art Institute of Chicago's public data into their projects.N/A
Bored APIGenerates tasks to do when bored.Open Source
Bhagavad GitaBhagavad Gita in various languages.Open Source
BrowserCatHeadless browser API for automation, scraping, AI agent web access, image/pdf generation, and more.N/A
BruzuDynamically generate Images with a URL string. This service allows you to create dynamic images using nothing more than a URL string.đź’¸
Callook.infoLook up information about United States ham radio callsigns.N/A
ChuckNorris.ioA free JSON API for hand curated Chuck Norris facts.Open Source
Cloudflare TraceGet IP Address, Timestamp, User Agent, Country Code, IATA, HTTP Version, TLS/SSL Version & More.N/A
Cloudlayer.ioDocument Generation Service that allows you to generate PDFs and Images from websites, HTML, or Templates.đź’¸
Codewars APICoding challenge website API that allows access usernames, leaderboards, and real time statistics for coding problems.N/A
Congress.gov APIThe beta Congress.gov Application Programming Interface (API) provides a method for Congress and the public to view, retrieve, and re-use machine-readable data from collections available on Congress.gov.N/A
Dataflow KitWeb Scraper API to extract information from websites, scrape SERPs, convert web pages to PDF, and capture screenshots.đź’¸
Data Science ToolkitA collection of the best open data sets and open-source tools for data science.N/A
Don't Kill My AppDatabase of ways mobile vendors inhibit background activity of apps.Open Source
Domainsdb.infoRegistered domain names search checks the lists of registered domains for names containing particular words/phrases/numbers or symbols.N/A
Evil Insult GeneratorOffers the most evil insults.Open Source
FlowdashCreate, edit, delete, and read your workflow data on demand.N/A
Game of Thrones QuotesA free API to retrieve some quotes of Game of Thrones!Open Source
GeocodifyWorldwide geocoding, geoparsing and autocomplete for addresses.đź’¸
GiphyWorlds largest library of GIFs.N/A
HttpbinA Simple HTTP Request & Response Service.Open Source
Httpbin CloudflareA Simple HTTP Request & Response Service with HTTP/3 Support by Cloudflare.Open Source
IcanhazepochGet Epoch time.Open Source
IcanhazipIP Address API.Open Source
Image-Charts1 URL = 1 Chart: Get a chart image in response to a URL GET or POST request. A drop-in-replacement for the deprecated Google Image Charts.N/A
JobicyThe latest remote job listings from a diverse range of industries and companies.Open Source
JSONbin.ioFree JSON data storage service, ideal for small scale web apps, website, mobile apps.N/A
Judge0 APICompile and run source code.Open Source
Labs64 NetLicensing (API Test Center)Innovative License Management Solution.N/A
LaunchLibraryAggregated info about space launches.N/A
LetsValidateUncovers the technologies used on websites and URL to thumbnail.N/A
LinkPreviewRESTful API that returns JSON formatted summary with title, description and preview image for any requested URL. Free & paid plans.N/A
LiveChatOnline Customer Service software with customizable chat, embeddable widgets, help desk and web analytics tools. APIs include webhooks support, SDKs and open-source libraries to build on.đź’¸
Lottery Number GenerationGenerate lottery numbers. Hundreds of lottery games from various countries are supported.đź’¸
NetworkCalcREST APIs that provide network calculator tools, such as subnet calculations, binary number conversion, and certificate lookup.N/A
PDFmyURLRESTful API that converts web pages to PDF quickly and even does entire websites to PDF.đź’¸
PDF from URLAPI that converts websites from URL to PDF and even does convert HTML Strings to PDF for free.N/A
PastebinQuickly share text or code, with support for over 250 languages for syntax highlighting.N/A
PhantAuthRandom User Generator + OpenID Connect Provider. Like Lorem Ipsum, but for user accounts and authentication.Open Source
QuickChartGenerate Chart.js image charts for email, dashboards, etc. Provides a replacement API for the old Google Image Charts service.Open Source
Quran APIA RESTful Quran API to retrieve an Ayah, Surah, Juz or the enitre Holy Quran.Open Source
Quran-apiFree Quran API Service with 90+ different languages and 400+ translations.Open Source
Rocketium Video APIRocketium Video API allows you to create Buzzfeed-like videos programmatically.đź’¸
Scraper APIScraper API handles proxies, browsers, and CAPTCHAs so developers can easily build scalable web scrapers.N/A
SearchApiReal-time API for scraping structured data from search engines.đź’¸
ShadifyService for generating data and executing logic to create various games and puzzles.Open Source
Shotstack Video Editing APIAllows you to build scalable video automation workflows and video-first applications with capability to edit and generate thousands of customized videos.đź’¸
SpreakerEnables developers to read and write data to Spreaker.N/A
SSL-CheckerPython script with free API that collects SSL/TLS information from hosts with JSON/CSV export.Open Source
StackExchangeThe StackExchange API provides RESTful services to all the sites on the StackExchange domain.N/A
RestCountriesGet information about countries via a RESTful API.N/A
TypeformTypeform's APIs allow you to create and edit Typeform surveys, and retrieve survey responses on demand.N/A
WallhavenA huge wallpaper library.N/A
Who Hosts ThisDetect the hosting provider powering any website.N/A
WolframAlphaIntegrate top of the line computational knowledge into your applications through the WolframAlpha API.đź’¸

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Movies

APIDescriptionOpen/Trial
OMDBOMDb provides a subscription based web service to obtain information and metadata about movies.đź’¸
TMDbTMDb provides powerful searches as well as powerful movie discovery.N/A
TraktTrakt collects lots of information about what TV shows and movies everyone is watching.N/A
TVmazeTV Show and web series database. Episode guide, cast, crew and character information. Recaps, reviews, episode trailers, celebrity photos and more.N/A

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Music

APIDescriptionOpen/Trial
AI MasteringAI Mastering API provides an automated audio mastering service. You can upload your audio, master it, and download the mastered audio.N/A
DeezerDeezer API provides a nice set of services to build up web applications, allowing the discovery of Deezer's music catalogue.N/A
DiscogsAccess database of artists, labels, releases, marketplace and more.N/A
Last.fmThe Last.fm API allows anyone to build their own programs using Last.fm data, whether they're on the web, the desktop or mobile devices.N/A
musicApiCentralized Node.JS API SDK for the top 3 music providers in China, Xiami, Netease, and QQ music.N/A
NPR APINPR's API is a content API, which essentially provides a structured way for other computer applications to get NPR stories in a predictable, flexible and powerful way.N/A
RhapsodyAccess metadata, user’s entire library of music and do much more.N/A
SearchLySong similarity search API based on lyrics.Open Source
SoundCloudUsing the SoundCloud API, you can build applications that take sound on the web to the next level.N/A
SpotifySpotify’s Web API lets your applications fetch data from the Spotify music catalog, manage users' playlists and saved music, get recommendations, control Spotify Connect, and more.N/A
TheAudioDBFree JSON API for music data, artwork, charting, ratings and hashes.Open Source

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Music Discovery

APIDescriptionOpen/Trial
Setlist.fmThe setlist.fm API has been designed to give you easy access to setlist data in order to build fancy websites and other applications.N/A
TuneFindAllows developers to enhance their services with song, show, and movie data from TuneFind.N/A
GeniusAllows users to find details about Genius artists and songs.N/A

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Music Identification

APIDescriptionOpen/Trial
AcoustidSupports searching through their fingerprint database.Open Source
AudDRecognize music in microphone recordings, audio files and UGC.N/A
GracenoteLargest source of music and video metadata on the planet.N/A

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Music Lyrics

APIDescriptionOpen/Trial
ChartLyrics Lyrics APIAllows users to search for lyrics using the artist name, song title, or lyric text.N/A
Lololyrics APIGiven an artist and track name, obtains its lyrics and metadata such as the year released and album art. Specializes more in electronic dance music genres such as hardstyle.N/A
MusixmatchPower your music project by licensing access to the world’s most authoritative lyrics DB.N/A

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Music Stores

APIDescriptionOpen/Trial
iTunes SearchThe Search API allows you to place search fields in your website to search for content within the iTunes Store, App Store, iBooks Store and Mac App Store.N/A
ReverbSell and buy music related merchandise.N/A

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News Services

APIDescriptionOpen/Trial
FarooAlternative to Google Web Search API / Google News Search API, allows you to search news within dates, fetch trending news, topics and terms.N/A
MediastackScalable JSON API delivering worldwide news, headlines and blog articles in real-time.N/A
New York TimesArticle search, best sellers, campaign finance, community, most popular, real estate, movie reviews, NY state legislature, Times newswire, tags, and people.N/A
NewsAPI70+ news sources and their headlines, one API.N/A
NewsCatcherAPINews API to find news articles by any topic, country, language, website or keyword.đź’¸
RSS APIAPI to parse and subscribe to RSS Feeds to get webhooks when new items are published.đź’¸
The GuardianAccess a huge range of content from The Guardian.N/A

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Natural Language Processing

APIDescriptionOpen/Trial
Cloudmersive NLP APIsWide array of unified NLP APIs including language translation, rephrasing, sentiment analysis, hate speech detection, and more.N/A
CohereOffers text summarization, entity extraction, text generation, and semantic search.N/A
DialogFlowNatural Language Interactions for Bots, Applications, Services, and Devices.N/A
Datum BoxDatumbox offers a powerful open-source Machine Learning Framework written in Java.Open Source
Lemonfox.aiSpeech-to-text API to transcribe audio and video files. The API is powered by the open-source Whisper model, supports 100+ languages and speaker recognition.đź’¸
LUIS AILanguage Understanding Intelligent Service offers a fast and effective way of adding language understanding to applications.N/A
MeaningCloudText analysis APIs for topic extraction, sentiment analysis, automatic classification, morphosyntactic analysis, language detection and more. Several languages are supported.N/A
OpenAI APIOpenAI's API provides access to GPT-3, which performs a wide variety of natural language tasks, and Codex, which translates natural language to code. The API is designed to allow users to try it on virtually any task in the English language.đź’¸
ParallelDotsParallelDots AI APIs are the most comprehensive set of document classification and NLP APIs for software developers that provide state-of-the-art accuracy on most common NLP use-cases such as sentiment analysis and emotion detection.N/A
Shakespeare Translator APIShakespeare English Translation API.đź’¸
SpeechText.AI APICloud Speech Recognition API. Transform speech to text with high accuracy in multiple languages. Generate summaries with important highlights from audio and video files.đź’¸
SummarizeBot APIAI web data extraction and analysis. Multilingual summarization, keywords and sentiment analysis, language recognition, article extraction, comments identification, multimedia analysis, image and face recognition solutions.đź’¸
SemantriaSAAS API based on Lexalytics engine.N/A
TextRazorHelps you extract and understand the Who, What, Why, and How from your supplied text.N/A
VoiceRSSAn API to convert Text to Speech, supporting 15+ major languages.N/A
Wit AIProvides an intent-based NLP API to easily build text and audio based chat bots.Open Source
Word Associations APIProvides service to get associations for a word or phrase. Words are grouped by semantics, meaning, and psychological perception.N/A

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Placeholder Images

APIDescriptionOpen/Trial
DummyImageParticularly nice, when compared to some of its competitors, in that it offers a great deal of flexibility.N/A
PixabayRestful API for searching and retrieving free images and videos.N/A
SingleColorImageFree API for generating single color images with dimensions up to 5000x5000.N/A
Lorem PicsumBeautiful placeholders using images from the popular Unsplash.N/A

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Places

APIDescriptionOpen/Trial
bng2latlongConvert an OSGB36 easting and northing (British National Grid) to WGS84 latitude and longitude.N/A
CountryAPIGet all the countries, and obtain the most important information of these.N/A
FactualProviding a places search that can be searched by latitude/longitude, and “where” using full text search query string.N/A
Foursquare VenueProviding a places search that can be searched by  hierarchical list of categories, longitude/latitude etc.N/A
Google Places APIProviding a places search that can be searched by latitude/longitude, keyword matched against all fields, name of place, type of place restricted by radius.N/A
NokiaProviding a JavaScript places search that can be searched by search term, with a detail search for display by JS widget.N/A
World Wonders APIProvides information about famous wonders from around the world.Open Source
YelpYou can search location using longitude and latitude, neighborhood, address or city and filter listings by “where”, using a list of support categories.N/A

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Product

APIDescriptionOpen/Trial
Product HuntThe best new products, every day.N/A

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Quotes

APIDescriptionOpen/Trial
Breaking BadGives quotes from "Breaking Bad".Open Source
FavQsFavQs allows you to collect, discover, and share your favorite quotes.N/A
ForismaticGives you a random quote per click.N/A
Hindi QuotesGet random Hindi quotes of different categories.Open Source
QuotableFetch quotes based on your query parameters, which includes random quotes by author, ID, tags and more.Open Source
South ParkGet and search quotes from South Park, mmkay!Open Source
They Said SoGives you a random quote per day.N/A

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Retail

APIDescriptionOpen/Trial
Amazon Product Advertising APIGet access to the data used by Amazon including items for sale, customer reviews, seller reviews, item search, product promotions, and more.N/A

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Science

APIDescriptionOpen/Trial
MPDSProvides experimental materials science data excerpted from the peer-reviewed publications.đź’¸
NASAGet NASA data, including imagery, list of asteroids based on their closest approach date to Earth and much more.N/A
Open Science FrameworkA free, open source workflow/project management system for storing, collaborating on, and sharing research across the scholarly life cycle.Open Source
Open Access ButtonFree, legal research articles delivered instantly or automatically requested from authors.N/A
SHAREA free, open dataset of scholarly research activity across the scholarly lifecycle.Open Source

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Screenshots

APIDescriptionOpen/Trial
ApiFlashChrome based screenshot API to convert URLs to images.N/A
SavePage.ioA free, RESTful API used to screenshot any desktop or mobile website with the real Chrome browser.đź’¸
ScreenshotAPI.netUse one simple API call to generate screenshots of any website.N/A

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Social Media

APIDescriptionOpen/Trial
AyrshareSocial media APIs for scheduling, analytics, comments, and more.đź’¸
Daily MotionBuild applications centered around DailyMotion.N/A
DeliciousAccess to Delicious’s API.N/A
DeviantArtThe largest social networking website for artists and art enthusiasts.N/A
EventBriteThe Eventbrite Python SDK makes it trivial to interact with the Eventbrite API.Open Source
FacebookFor ads, games, payments, login, sharing stats, and user data.N/A
FlickrSearch through user Flickr content, contacts, upload or replace photos.N/A
FoursquareAccess to Foursquare database and ability to interact with Foursquare users.N/A
GoodReadsAllows developers access to Goodreads data in order to help websites or applications that deal with books.N/A
GravatarCreate profiles and avatars using this web service.N/A
Hacker NewsAnything that good hackers would find interesting.N/A
Hacker News GraphQLConvenient HackerNews GraphQL wrapper API.N/A
ImgurImgur's API exposes the entire Imgur infrastructure via a standardized programmatic interface.N/A
InstagramSearch photos by location, user, tags, view trending photos, and make custom items.N/A
LinkedInEnables apps to connect to user accounts, data, connections, groups, communications, and social streams.N/A
MastodonAccess to Mastodon’s APIs, the Open-source twitter competitor.Open Source
MicrolinkTurns any link into information. Take screenshots, extract predominant palette colors.N/A
PinterestEnables apps to view the most clicked-through or repinned Pins, view related posts, and user profiles.N/A
RedditAPI to build clients, crawlers, scrapers, and browser extensions.Open Source
SaiditOpen source API wrapper made for the Reddit alternative Saidit.net.Open Source
SnapchatPHP library of Snapchat’s private API.N/A
TelegramThe Telegram API allows you to build your own customized Telegram clients.N/A
TikTokTikTok Display API allows you to display TikTok creator's videos and their profile information and many more features.N/A
Trash NothingBuild apps on top of one of the largest freecycling and reuse communities with millions of people giving away thousands of free items every day.N/A
TwitchThe Twitch API enables you to develop your own applications using the rich feature set that Twitch provides.N/A
TwitterEnables an app to interact with many of Twitter’s functions.N/A
TumblrCreate new ways to use Tumblr with access to content, likes, followers, and drafts.N/A
VimeoAccess to Vimeo’s API.N/A
ViberWith Viber’s APIs, you can create unique experiences for users at scale.N/A
VKAccess to VKontakte's API. This has a variety of features, such as authorization via VK, embedding VK comments for things like blogs, and taking payments via VK. Additionally, you may use the VK API to control much of the functionality on the website (for example, adjusting shop inventory in your VK community's market section).N/A
WeiboProgrammatic access to China’s most popular microblogging site.N/A
Whatsapp Document InteractionIf your application creates photos, videos or audio notes and you’d like your users to share these media using WhatsApp. #LimitedN/A
WordpressAccess to Wordpress’ API.N/A
UntappdUntappd is a mobile web app that allows you to socially share beers that you're enjoying.N/A
YouTubeAdd YouTube functionality to your sites and apps.N/A
ZomatoZomato APIs give you access to the freshest and most exhaustive information for over 1.5 million restaurants across 10,000 cities globally.N/A

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Source Control

APIDescriptionOpen/Trial
BitbucketAccess to Bitbucket's API.N/A
GitHubBuild real-world GitHub applications right from authentication, to manipulating results, to combining results with other services.N/A
GitHub GistsAccess to GitHub’s Gists API.N/A
GitLabAccess to GitLab's API.N/A
MercurialAccess to Mercurial’s API.N/A
SVNCollection of modular libraries written in the C programming language.N/A
Team Foundation ServerTFS APIs are based on REST, OAuth, Json and service hooks.N/A

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Sport

APIDescriptionOpen/Trial
Ergast Formula 1Provides access to current and historical Formula 1 race data from 1950 to today.N/A
FIFA women's world cup 2019FIFA women's world cup 2019 matches and group stage results.N/A
Football PredictionPredictions for upcoming football matches, odds, results and stats.đź’¸
LIVE-SCORE APIFootball API for live-scores, fixtures, group standings, history data and match events.đź’¸
NBA GraphQLCurrent and historical NBA StatsOpen Source
NBA REST APIUp-to-date Current and Historical NBA Stats and Shot Chart API.Open Source
OpenF1Provides real-time and historical Formula 1 data (lap timings, car telemetry, radio communications, ...).Open Source
OpenLigaDB APIProvides sports data, especially football (soccer) league information.Open Source
Roanuz Cricket APIProvides cricket-related data, including scores and player information.đź’¸
Sports Data API ProvidersReviews, coverage and prices from sports data providers.N/A
TheSportsDBVarious sports events, results, players, teams and high quality artwork.N/A

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Test Data

APIDescriptionOpen/Trial
Faker APICollection of completely free APIs that helps web developers and web designers with generating fake data.N/A

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Transportation

APIDescriptionOpen/Trial
ADS-B ExchangeAccess real-time and historical data of any and all airborne aircraft.N/A
AfterShipProvides multi-carrier shipment tracking APIs.N/A
CarsXE APIGet access to millions of vehicle records, specs, ownership costs and market values.đź’¸
EdmundsA dataset containing all the car makes.N/A
HyperTrackBuild applications that track the movement of your business.đź’¸
LyftGet real-time ETAs, availability, price estimates, ride status through the Lyft API.N/A
PostmenAdd shipping capability of FedEx, UPS, DHL, USPS and over 40 carriers worldwide.N/A
OlaHelp your users find, book and track Ola rides with ease. Ola is India’s most popular cab booking app with availability of rides in more than 100 cities across India.N/A
UberUber provides API for customizing trip experiences, requesting rides, powering logistics, creating bots and so much more.N/A

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URL Shorteners

APIDescriptionOpen/Trial
BitlyAccess to Bitly’s API.N/A
GoTinyLightweight and easy to implement URL shortener. Supports custom links and offers JavaScript SDK.N/A
Is.gdSimple URL shortener. Supports custom short link ending.N/A
ShrtURIURL shortening API for creating short URLs from long URLs.N/A
Tiny.ccEasy-to-use URL shortener. Supports custom short link ending.N/A
Tiny.UIDAPI for shortening long URLs.N/A
V.gdSimple URL shortener. Supports custom short link ending.N/A
YourlsGenerate or get existing short URLs, with sequential or custom keywords.N/A

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Videogames

APIDescriptionOpen/Trial
Autochess VNG APIAPI that provides data about Autochess VNG.Open Source
CSGO APIAn unofficial JSON API for Counter-Strike: Global Offensive.Open Source
Clash Of ClansAn API for Clash of Clans to fetch all information about players, clans, wars, etc.N/A
Clash RoyaleAPI that provides information about the Clash Royale game.N/A
FreeToGameFree-to-play games database API.N/A
GamerPowerAccess programmatically the best giveaways in gaming, from free games to beta keys to free in-game loot and more.N/A
GiantBombAPI to query the GiantBomb database for videogames, characters, companies, genres and many more.N/A
Hyrule CompendiumAPI serving data on all interactive items in The Legend of Zelda: Breath of the Wild.Open Source
IGDBAccess the International Games Database and get information about video games, characters, companies, genres and many more. Commercial usage is allowed.N/A
MMO GamesMMO Games database, news and giveaways.N/A
RAWGOpen video game database. Find games by platform, genre, company or find game developers, stores, publishers and many more.N/A
Riot GamesRiot Games game information APIN/A

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Weather

APIDescriptionOpen/Trial
AccuWeatherAccuWeather provides hourly and minute by minute forecasts with Superior accuracy. AccuWeather provides the world’s most sophisticated weather intelligence.💸
AerisWeatherGlobal weather data and imagery APIs, with a free developer subscription tier, boasting detailed documentation for simple to advanced queries, free SDKs and a Map Builder to get you up and running faster.N/A
BlueSky APIGlobal weather data, both live forecasts and forecast history, free tier available.N/A
Open-MeteoGlobal weather forecast API. Free for non-commercial use. No API key required. CORS supported.N/A
Open WeatherAccess current weather data for any location on Earth including over 200,000 cities!N/A
Storm Glass Marine Weather APIGlobal marine weather data from multiple sources in one single API!N/A
Weather-APIA free RESTful API to check the weather.N/A
WeatherbitAccess forecasts, current weather, and historical weather data for any point on the Earth!N/A
Weather SourcePowerful Weather API built for systems that demand speed, reliability and heavy load.N/A
WeatherstackReal-Time & Historical World Weather Data API.N/A
Wunderground APIReliable data, accurate forecast, & global coverage in 80 languages.N/A

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Credits

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Resources For Design and Discovery of APIs

APIDescriptionOpen/Trial
AbstractSuite of utility API's (validate emails, create user avatars, calculate VAT, and more)đź’¸
ApiaryCollaborative tool to design APIs.đź’¸
OpenAPIStandard, language-agnostic interface to REST APIs (based on Swagger).Open Source
SwaggerTools for designing, building, and documenting RESTful APIs.Open Source

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More Resources

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Contributions

Pull requests are welcome. Please adhere to the guidelines.

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License

<a rel="license" href="https://creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://licensebuttons.net/l/by-nc-sa/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="https://creativecommons.org/licenses/by-nc-sa/4.0/">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License</a>.

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