DEV Community

Cover image for 300+ FREE APIs Every Developer Needs to Know
YURII DE.
YURII DE.

Posted on • Edited on

300+ FREE APIs Every Developer Needs to Know

Table of Contents

  1. Weather APIs โ›…๏ธ๐ŸŒฆ๏ธ๐ŸŒฉ๏ธ
  2. Exchange Rates APIs ๐Ÿ’ฑ๐Ÿ’ฒ๐Ÿ’น
  3. Cryptocurrency APIs โ‚ฟ๐Ÿ’ฐ๐Ÿ”—
  4. Placeholder Image APIs ๐Ÿ“ธ๐Ÿ–ผ๏ธ๐ŸŽจ
  5. Random Generators APIs ๐ŸŽฒ๐Ÿ”€๐ŸŽฐ
  6. News APIs ๐Ÿ“ฐ๐Ÿ“ข๐Ÿ—ž๏ธ
  7. Maps and Geolocation APIs ๐Ÿ—บ๏ธ๐Ÿ“๐ŸŒ
  8. Search APIs ๐Ÿ”๐Ÿ“‘๐Ÿ•ต๏ธ
  9. Machine Learning APIs ๐Ÿค–๐Ÿง ๐Ÿ”ฎ
  10. Screenshot and Picture APIs ๐Ÿ“ท๐ŸŒ๐Ÿ–ผ๏ธ
  11. SEO APIs ๐Ÿ”๐Ÿ“ˆ๐Ÿ’ก
  12. Shopping APIs ๐Ÿ›๏ธ๐Ÿ›’๐Ÿ“ฆ
  13. Developer APIs ๐Ÿ’ป๐Ÿ”ง๐Ÿ› ๏ธ
  14. Travel and Transportation APIs ๐Ÿ›ซ๐Ÿš—๐Ÿš‰
  15. Communication APIs ๐Ÿ“ž๐Ÿ’ฌ๐Ÿ“ง
  16. Payment and Financial APIs ๐Ÿ’ณ๐Ÿ’ธ๐Ÿฆ
  17. Analytics and Monitoring APIs ๐Ÿ“Š๐Ÿ“ˆ๐Ÿ“‰
  18. Natural Language Processing (NLP) APIs ๐Ÿ—ฃ๏ธ๐Ÿ”๐Ÿ’ฌ
  19. Utilities and Tools APIs ๐Ÿ› ๏ธ๐Ÿ”งโš™๏ธ
  20. Government and Open Data APIs ๐Ÿ›๏ธ๐Ÿ“œ๐Ÿ“Š
  21. Qit.tools - โšก Interactive Online Web ๐Ÿ› ๏ธ Tools
  22. ๐Ÿ’ฐ Currency Plugins/Widgets for WordPress

Weather APIs โ›…๏ธ๐ŸŒฆ๏ธ๐ŸŒฉ๏ธ

Name Description Free Tier Limit Authentication Documentation
OpenWeatherMap Global weather data including forecasts and current weather 60 calls/min API key Link
Weatherstack Real-time and historical weather data 1000 calls/month API key Link
Weatherbit Weather data including forecasts and current weather 500 calls/day API key Link
Climacell Hyper-local weather data and insights 100 calls/day API key Link
AccuWeather Weather data and forecasts 50 calls/day API key Link
Visual Crossing Historical and current weather data 1000 calls/day API key Link
Weather2020 Weather forecasts 100 calls/day API key Link
Storm Glass Marine weather data 50 calls/day API key Link
WeatherAPI Weather data including forecasts and current weather 1000 calls/month API key Link
AerisWeather Weather data and imagery 1000 calls/month API key Link
HERE Weather Weather data including forecasts and current weather 250,000 calls/month API key Link
World Weather Online Global weather data including forecasts and historical weather 500 calls/day API key Link
Tomorrow.io Hyper-local weather data and insights 100 calls/day API key Link
Dark Sky Weather data including forecasts and current weather 1000 calls/day API key Link
National Weather Service US government weather data Unlimited None Link

Exchange Rates APIs ๐Ÿ’ฑ๐Ÿ’ฒ๐Ÿ’น

Name Description Free Tier Limit Authentication Documentation
ExchangeRate-API Accurate exchange rates for 160 currencies 1500 calls/month API key Link
Open Exchange Rates Real-time and historical exchange rates 1000 calls/month API key Link
Currencylayer Real-time exchange rates for 168 world currencies 1000 calls/month API key Link
Fixer Real-time exchange rates and currency conversion 1000 calls/month API key Link
XE Currency Data Real-time and historical exchange rates 1000 calls/month API key Link
Forex Rate API Real-time and historical foreign exchange rates 1000 calls/month API key Link
RatesAPI Free foreign exchange rates and currency conversion Unlimited None Link
Exchange Rates API Accurate exchange rates for 160 currencies 1500 calls/month API key Link
OANDA Exchange Rates Real-time and historical exchange rates 1000 calls/month API key Link
CurrencyConverter API Real-time exchange rates and currency conversion 1000 calls/month API key Link
ExchangeRatesAPI Exchange rates and currency conversion 1000 calls/month API key Link
Alphavantage Real-time and historical exchange rates 500 calls/day API key Link
Xignite Foreign exchange rates API 1000 calls/month API key Link
Everbase Currency Exchange rates and currency conversion 1000 calls/month API key Link
ExchangeRateHost Foreign exchange rates API Unlimited None Link

Cryptocurrency APIs โ‚ฟ๐Ÿ’ฐ๐Ÿ”—

Name Description Free Tier Limit Authentication Documentation
CoinGecko Cryptocurrency data for over 6000 coins Unlimited None Link
CoinMarketCap Cryptocurrency market cap rankings, charts, and more 333 calls/day API key Link
CryptoCompare Cryptocurrency data and price comparison 250,000 calls/month API key Link
Coinpaprika Cryptocurrency market data 25,000 calls/month API key Link
Nomics Cryptocurrency market cap and pricing data 125,000 calls/month API key Link
CoinAPI Real-time and historical cryptocurrency data 100,000 calls/month API key Link
Messari Cryptocurrency data and research 1000 calls/day API key Link
Coinlore Cryptocurrency market data Unlimited None Link
Coinlib Cryptocurrency data including prices and market cap 100 requests/day API key Link
Bitfinex Cryptocurrency trading platform API Unlimited None Link
Bittrex Cryptocurrency trading platform API Unlimited None Link
Binance Cryptocurrency trading platform API Unlimited None Link
KuCoin Cryptocurrency trading platform API Unlimited None Link
Kraken Cryptocurrency trading platform API Unlimited None Link
Poloniex Cryptocurrency trading platform API Unlimited None Link

Placeholder Image APIs ๐Ÿ“ธ๐Ÿ–ผ๏ธ๐ŸŽจ

Name Description Free Tier Limit Authentication Documentation
Lorem Picsum Random placeholder images Unlimited None Link
Placeholder.com Custom placeholder images Unlimited None Link
Unsplash Source High-quality placeholder images Unlimited None Link
Placekitten Placeholder images of kittens Unlimited None Link
PlaceDog Placeholder images of dogs Unlimited None Link
Placebear Placeholder images of bears Unlimited None Link
Fill Murray Placeholder images of Bill Murray Unlimited None Link
FakerAPI Fake data and placeholder images Unlimited None Link
DummyImage.com Custom placeholder images Unlimited None Link
ImagePlaceholder.com Custom placeholder images Unlimited None Link
PlaceholderImage Placeholder images with custom text Unlimited None Link
Picsum.photos Random images from Unsplash Unlimited None Link
RandomImageApi Random placeholder images Unlimited None Link
Plachold.it Custom placeholder images Unlimited None Link
LoremFlickr Random placeholder images Unlimited None Link

Random Generators APIs ๐ŸŽฒ๐Ÿ”€๐ŸŽฐ

Name Description Free Tier Limit Authentication Documentation
Random.org True random number generation 1,000,000 bits/day API key Link
RandomUser Generate random user data Unlimited None Link
FakerAPI Fake data generation Unlimited None Link
UUID Generator Generate random UUIDs Unlimited None Link
DiceBear Avatars Generate random avatars Unlimited None Link
PasswordGenerator Generate random passwords Unlimited None Link
Cat Facts Random cat facts Unlimited None Link
Fun Translations Generate fun translations 5 requests/day None Link
Quotes.rest Generate random quotes 10 requests/hour None Link
Advice Slip Random advice generator Unlimited None Link
BoredAPI Suggestions for activities to do Unlimited None Link
Lorem Ipsum Generate random placeholder text Unlimited None Link
Uinames Generate random names Unlimited None Link
Pipl Generate random people profiles Unlimited None Link
Random Data API Generate random data for testing Unlimited None Link

News APIs ๐Ÿ“ฐ๐Ÿ“ข๐Ÿ—ž๏ธ

Name Description Free Tier Limit Authentication Documentation
NewsAPI Aggregates news articles from various sources 500 calls/day API key Link
CurrentsAPI Real-time news data 1000 calls/month API key Link
ContextualWebNews Real-time news search and discovery 10,000 calls/month API key Link
Bing News Search Microsoft Bing's news search results 3000 calls/month API key Link
Mediastack Real-time news data 500 calls/month API key Link
New York Times API Access to The New York Times articles and archives Unlimited API key Link
Guardian API Access to The Guardian articles and archives Unlimited API key Link
Event Registry Real-time news and event data 500 calls/month API key Link
GDELT Project Real-time event data and news 10,000 calls/month API key Link
NewsData.io Real-time news articles from various sources 200 calls/day API key Link
ContextualWeb Search for news articles based on context 1000 calls/month API key Link
MyNewsAPI Access to various news sources 500 calls/month API key Link
Webz.io Real-time news and blog data 1000 calls/month API key Link
AYLIEN News API News articles from various sources with analysis 200 calls/day API key Link
HackerNews Access to Hacker News articles Unlimited None Link

Maps and Geolocation APIs ๐Ÿ—บ๏ธ๐Ÿ“๐ŸŒ

Name Description Free Tier Limit Authentication Documentation
Google Maps API Comprehensive mapping and geolocation data $200 free usage/month API key Link
Mapbox Custom maps and geolocation services 50,000 views/month API key Link
OpenCage Geocoding Forward and reverse geocoding 2,500 calls/day API key Link
HERE Maps Mapping and location data services 250,000 calls/month API key Link
OpenStreetMap Free editable map of the world Unlimited None Link
Positionstack Geocoding API for forward and reverse geocoding 25,000 calls/month API key Link
TomTom Mapping and geolocation data services 2,500 calls/day API key Link
MapQuest Mapping and geolocation data services 15,000 calls/month API key Link
Ipstack IP geolocation API 10,000 calls/month API key Link
Geocodio Geocoding and reverse geocoding 2,500 calls/day API key Link
LocationIQ Geocoding and reverse geocoding 5,000 calls/day API key Link
Maptiler Maps, geocoding, and geolocation services 100,000 tile requests/month API key Link
What3words Location services using 3-word addresses 1000 calls/month API key Link
SmartyStreets Address validation and geocoding 250 requests/month API key Link
Geoapify Geocoding, routing, and other location services 30,000 requests/month API key Link

Search APIs ๐Ÿ”๐Ÿ“‘๐Ÿ•ต๏ธ

Name Description Free Tier Limit Authentication Documentation
Google Custom Search Search the web or specific sites 100 queries/day API key Link
Algolia Fast, reliable search as a service 10,000 records API key Link
Bing Search API Microsoft Bing's search results 3,000 calls/month API key Link
Elastic Search Search engine based on Lucene Free tier available API key Link
Swiftype Custom search engine for your site 1000 requests/month API key Link
MeiliSearch Fast, open-source search engine Unlimited None Link
AddSearch Custom search for your website 50 searches/day API key Link
Yandex Search API Search the web using Yandex 10,000 requests/day API key Link
Yahoo Search Search the web using Yahoo 5,000 queries/day API key Link
Wolfram Alpha Computational knowledge engine 2,000 queries/month API key Link
ContextualWebSearch Web search with context filtering 10,000 calls/month API key Link
Site Search 360 Search your website or app 1,500 requests/month API key Link
DuckDuckGo API Search the web anonymously Unlimited None Link
Search.io Search as a service 1000 operations/month API key Link
Apache Solr Highly reliable, scalable search platform Open-source None Link

Machine Learning APIs ๐Ÿค–๐Ÿง ๐Ÿ”ฎ

Name Description Free Tier Limit Authentication Documentation
Google Cloud ML Machine learning services and APIs $300 free credit API key Link
Amazon SageMaker Build, train, and deploy machine learning models Free tier available API key Link
IBM Watson AI and machine learning services Free tier available API key Link
Microsoft Azure ML Machine learning services and APIs $200 free credit API key Link
Hugging Face State-of-the-art NLP models and APIs Free tier available API key Link
OpenAI AI models including GPT-3 Free tier available API key Link
BigML Machine learning platform and APIs Free tier available API key Link
Clarifai Image and video recognition services Free tier available API key Link
DataRobot Machine learning model deployment and management Free tier available API key Link
MonkeyLearn Text analysis and machine learning 300 queries/month API key Link
Aylien Natural language processing and machine learning Free tier available API key Link
Algorithmia Algorithm marketplace and machine learning APIs 10,000 queries/month API key Link
Spell Machine learning infrastructure and tools Free tier available API key Link
Neptune.ai Machine learning model management and monitoring Free tier available API key Link
Vize.ai Custom machine learning model creation Free tier available API key Link

Screenshot and Picture APIs ๐Ÿ“ท๐ŸŒ๐Ÿ–ผ๏ธ

Name Description Free Tier Limit Authentication Documentation
ScreenshotAPI Capture screenshots of websites 100 screenshots/month API key Link
URLBox Capture screenshots and convert web pages to PDFs 100 captures/month API key Link
Page2Images Capture screenshots of web pages 1000 screenshots/month API key Link
ShrinkTheWeb Capture screenshots and thumbnails of web pages 1000 captures/month API key Link
Browshot Capture screenshots of websites 1000 credits/month API key Link
Thumbnail.ws Capture screenshots of websites 500 screenshots/month API key Link
Urlbox Capture screenshots of websites 1000 captures/month API key Link
ScreenshotLayer Capture screenshots of websites 100 captures/month API key Link
ApiFlash Capture screenshots of websites 100 screenshots/month API key Link
AbstractAPI Screenshot Capture screenshots of websites 100 screenshots/month API key Link
Snapito Capture screenshots of websites 100 captures/month API key Link
Website2PDF Convert web pages to PDFs 100 captures/month API key Link
ScreenshotMachine Capture screenshots of websites 1000 screenshots/month API key Link
Stillio Automatic website screenshot capture 1000 captures/month API key Link
GemPixel Capture screenshots of websites 100 captures/month API key Link

SEO APIs ๐Ÿ”๐Ÿ“ˆ๐Ÿ’ก

Name Description Free Tier Limit Authentication Documentation
Moz SEO metrics and data 100 requests/month API key Link
SEMrush SEO metrics and data 100 requests/month API key Link
Serpstat SEO metrics and data 1000 queries/day API key Link
SpyFu SEO metrics and competitor analysis 500 requests/month API key Link
DataForSEO SEO data for keywords, SERPs, and more 100 requests/month API key Link
CognitiveSEO SEO metrics and data 1000 requests/month API key Link
Majestic SEO metrics and data 100 requests/month API key Link
SERP API Real-time search engine results 1000 requests/month API key Link
RankRanger SEO metrics and rank tracking 1000 requests/month API key Link
Seobility SEO metrics and data 1000 requests/month API key Link
BrightLocal Local SEO data and metrics 1000 requests/month API key Link
SearchMetrics SEO metrics and data 1000 requests/month API key Link
STAT Real-time search engine results 1000 requests/month API key Link
Linkody Backlink checker and SEO metrics 1000 requests/month API key Link

Shopping APIs ๐Ÿ›๏ธ๐Ÿ›’๐Ÿ“ฆ

Name Description Free Tier Limit Authentication Documentation
Amazon Product Advertising API Access to Amazon product data 1,000 requests/month API key Link
eBay API Access to eBay product data and marketplace 5,000 requests/day API key Link
Walmart API Access to Walmart product data and marketplace 5,000 requests/day API key Link
Best Buy API Access to Best Buy product data 5,000 requests/day API key Link
Etsy API Access to Etsy product data and marketplace 5,000 requests/day API key Link
Rakuten API Access to Rakuten product data and marketplace 5,000 requests/day API key Link
Shopify API Access to Shopify store data and marketplace Unlimited API key Link
WooCommerce API Access to WooCommerce store data and marketplace Unlimited API key Link
BigCommerce API Access to BigCommerce store data and marketplace Unlimited API key Link
AliExpress API Access to AliExpress product data and marketplace 1,000 requests/day API key Link
Zalando API Access to Zalando product data and marketplace 5,000 requests/day API key Link
Target API Access to Target product data and marketplace 1,000 requests/day API key Link
Flipkart API Access to Flipkart product data and marketplace 5,000 requests/day API key Link
Costco API Access to Costco product data and marketplace 5,000 requests/day API key Link
Home Depot API Access to Home Depot product data and marketplace 5,000 requests/day API key Link

Developer APIs ๐Ÿ’ป๐Ÿ”ง๐Ÿ› ๏ธ

Name Description Free Tier Limit Authentication Documentation
GitHub API Access to GitHub data Unlimited OAuth Link
GitLab API Access to GitLab data Unlimited OAuth Link
Bitbucket API Access to Bitbucket data Unlimited OAuth Link
Travis CI API Access to Travis CI data Unlimited API key Link
Jenkins API Access to Jenkins data Unlimited API key Link
CircleCI API Access to CircleCI data Unlimited API key Link
GitKraken API Access to GitKraken data Unlimited API key Link
Heroku API Access to Heroku data and services Unlimited OAuth Link
Vercel API Access to Vercel data and services Unlimited API key Link
Netlify API Access to Netlify data and services Unlimited OAuth Link
Firebase API Access to Firebase data and services Unlimited API key Link
DigitalOcean API Access to DigitalOcean data and services Unlimited OAuth Link
AWS API Access to AWS data and services Free tier available API key Link
Azure API Access to Azure data and services Free tier available API key Link
Google Cloud API Access to Google Cloud data and services $300 free credit API key Link

Travel and Transportation APIs ๐Ÿ›ซ๐Ÿš—๐Ÿš‰

Name Description Free Tier Limit Authentication Documentation
Skyscanner API Access to flight search and booking data 500 requests/day API key Link
Amadeus API Access to travel booking and search data 500 calls/day API key Link
Google Flights API Access to flight search and booking data 1000 requests/day API key Link
Rome2Rio API Access to multimodal travel search data 1000 requests/day API key Link
Sabre API Access to travel booking and search data 500 requests/day API key Link
Kayak API Access to flight and hotel search data 500 requests/day API key Link
Expedia API Access to travel booking and search data 500 requests/day API key Link
Priceline API Access to travel booking and search data 500 requests/day API key Link
TripAdvisor API Access to travel reviews and search data 500 requests/day API key Link
Airbnb API Access to short-term rental data 500 requests/day API key Link
Lyft API Access to ride-sharing data 1000 requests/day API key Link
Uber API Access to ride-sharing data 1000 requests/day API key Link
BlaBlaCar API Access to carpooling data 500 requests/day API key Link
Yelp API Access to business and review data 5000 requests/day API key Link
TransportAPI Access to public transport data 1000 requests/day API key Link

Communication APIs ๐Ÿ“ž๐Ÿ’ฌ๐Ÿ“ง

Name Description Free Tier Limit Authentication Documentation
Twilio API Access to SMS, voice, and messaging services Free tier available API key Link
SendGrid API Access to email sending services 100 emails/day API key Link
Mailgun API Access to email sending services 5,000 emails/month API key Link
Nexmo API Access to SMS, voice, and messaging services Free tier available API key Link
Plivo API Access to SMS, voice, and messaging services Free tier available API key Link
Pusher API Real-time communication services Free tier available API key Link
Postmark API Access to email sending services 100 emails/month API key Link
SignalWire API Access to SMS, voice, and messaging services Free tier available API key Link
Mandrill API Access to email sending services 2,000 emails/month API key Link
ClickSend API Access to SMS, voice, and messaging services Free tier available API key Link
Tropo API Access to SMS, voice, and messaging services Free tier available API key Link
Slack API Access to Slack messaging services Free tier available API key Link
Discord API Access to Discord messaging services Free tier available API key Link
Zoom API Access to Zoom video conferencing services Free tier available API key Link
Intercom API Access to Intercom messaging services Free tier available API key Link

Payment and Financial APIs ๐Ÿ’ณ๐Ÿ’ธ๐Ÿฆ

Name Description Free Tier Limit Authentication Documentation
Stripe API Access to payment processing services Free tier available API key Link
PayPal API Access to payment processing services Free tier available API key Link
Square API Access to payment processing services Free tier available API key Link
Braintree API Access to payment processing services Free tier available API key Link
Authorize.net API Access to payment processing services Free tier available API key Link
Plaid API Access to financial data and services Free tier available API key Link
Dwolla API Access to payment processing services Free tier available API key Link
Wise API Access to international money transfer services Free tier available API key Link
Worldpay API Access to payment processing services Free tier available API key Link
WePay API Access to payment processing services Free tier available API key Link
Revolut API Access to financial data and services Free tier available API key Link
Xero API Access to accounting and financial data Free tier available API key Link
QuickBooks API Access to accounting and financial data Free tier available API key Link
Yodlee API Access to financial data and services Free tier available API key Link
Intuit API Access to accounting and financial data Free tier available API key Link

Analytics and Monitoring APIs ๐Ÿ“Š๐Ÿ“ˆ๐Ÿ“‰

Name Description Free Tier Limit Authentication Documentation
Google Analytics API Access to Google Analytics data Free tier available API key Link
Mixpanel API Access to Mixpanel analytics data Free tier available API key Link
Amplitude API Access to Amplitude analytics data Free tier available API key Link
Hotjar API Access to Hotjar analytics data Free tier available API key Link
Heap API Access to Heap analytics data Free tier available API key Link
Piwik PRO API Access to Piwik PRO analytics data Free tier available API key Link
Segment API Access to Segment analytics data Free tier available API key Link
Crazy Egg API Access to Crazy Egg analytics data Free tier available API key Link
Woopra API Access to Woopra analytics data Free tier available API key Link
Kissmetrics API Access to Kissmetrics analytics data Free tier available API key Link
Clicky API Access to Clicky analytics data Free tier available API key Link
Open Web Analytics API Access to Open Web Analytics data Free tier available API key Link
Yandex Metrica API Access to Yandex Metrica analytics data Free tier available API key Link
StatCounter API Access to StatCounter analytics data Free tier available API key Link
Chartbeat API Access to Chartbeat analytics data Free tier available API key Link

Natural Language Processing (NLP) APIs ๐Ÿ—ฃ๏ธ๐Ÿ”๐Ÿ’ฌ

Name Description Free Tier Limit Authentication Documentation
Google Cloud NLP Natural language processing services $300 free credit API key Link
IBM Watson NLP Natural language processing services Free tier available API key Link
Microsoft Azure NLP Natural language processing services $200 free credit API key Link
Amazon Comprehend Natural language processing services Free tier available API key Link
TextRazor Natural language processing services 5000 requests/month API key Link
Aylien NLP Natural language processing services Free tier available API key Link
MonkeyLearn Text analysis and natural language processing 300 queries/month API key Link
MeaningCloud Text analysis and natural language processing 20,000 requests/month API key Link
Algorithmia NLP Natural language processing algorithms 10,000 queries/month API key Link
Wit.ai Natural language processing and chatbot integration Free tier available API key Link
Lexalytics Text analysis and natural language processing Free tier available API key Link
SapienAPI Natural language processing services Free tier available API key Link
ChatterBot Natural language processing and chatbot integration Free tier available None Link
TisaneAPI Text analysis and natural language processing 30,000 requests/month API key Link
DeepAI Text API Natural language processing services Free tier available API key Link

Utilities and Tools APIs ๐Ÿ› ๏ธ๐Ÿ”งโš™๏ธ

Name Description Free Tier Limit Authentication Documentation
IPinfo IP address information and geolocation 50,000 requests/month API key Link
OpenWeatherMap Weather data including forecasts and current weather 60 calls/min API key Link
Twilio API Access to SMS, voice, and messaging services Free tier available API key Link
SendGrid API Access to email sending services 100 emails/day API key Link
Clearbit API Business intelligence data 50,000 requests/month API key Link
IPStack IP geolocation and information 10,000 requests/month API key Link
AbstractAPI Various utility APIs like IP geolocation, email validation 500 requests/month API key Link
Apify API Web scraping and automation 10,000 requests/month API key Link
ScraperAPI Web scraping tool 5000 requests/month API key Link
Postman API API development and testing tools Unlimited API key Link
Sentry API Application monitoring and error tracking 5000 events/month API key Link
Stripe API Access to payment processing services Free tier available API key Link
PDF.co API PDF generation and data extraction 1000 requests/month API key Link
Bitly API URL shortening and link management 1000 requests/month API key Link
OpenCage Geocoding Forward and reverse geocoding 2,500 calls/day API key Link

Government and Open Data APIs ๐Ÿ›๏ธ๐Ÿ“œ๐Ÿ“Š

Name Description Free Tier Limit Authentication Documentation
Data.gov API US government open data Unlimited None Link
UK Government API UK government open data Unlimited None Link
EU Open Data Portal API European Union open data Unlimited None Link
World Bank API Global development data Unlimited None Link
UN Data API United Nations open data Unlimited None Link
OECD Data API Economic and social data from OECD Unlimited None Link
Census.gov API US Census Bureau data Unlimited API key Link
Open Data Soft Various open data from different sources Unlimited API key Link
City of New York API New York City open data Unlimited None Link
USGS API US Geological Survey data Unlimited API key Link
NASA API Access to NASA data and imagery Unlimited API key Link
Open States API US state legislative data Unlimited API key Link
USA.gov API US government information and services Unlimited None Link
Data.gov.au API Australian government open data Unlimited None Link
HealthData.gov API US health-related open data Unlimited None Link
Gov.br API Brazil Unlimited None Link

If you found this content helpful,
Please, Buy Me A Coffee ๐ŸŒŸโœจ

Top comments (30)

Collapse
 
anmolbaranwal profile image
Anmol Baranwal

Awesome list :)

There is also a website that provides 1400+ APIs in 30+ categories. It is named public apis and has 295k stars on GitHub.

apis

Collapse
 
falselight profile image
YURII DE.

This is a good list. But itโ€™s worth adding a column that will display the free period; this is an important part for creating concepts and beginners.

Collapse
 
anmolbaranwal profile image
Anmol Baranwal

Actually, everything was available on the website, including the categories list, free options, and other information, but I think it's not active anymore. (reason is the main issue linked on the repo)

Thread Thread
 
falselight profile image
YURII DE.

There's nothing on the website.

Collapse
 
mattlewandowski93 profile image
Matt Lewandowski

This list is insane. You could build some really fun things with a lot of these. Thanks for such a great resource!

Collapse
 
muhammadsaim profile image
Muhammad Saim

It is a gem for beginners who are looking for initial project ideas.

Great Resource to have in the bookmarks.

Collapse
 
anisriva profile image
Animesh Srivastava

Really appreciate the work put into this blog!

Collapse
 
vncsmnl profile image
Vinรญcius Manoel ๏ฃฟ

Nice

Collapse
 
robsongrangeiro profile image
Robson Grangeiro

Nice lists! Thanks!

My contribution:

API Gov and OpenData from BRASIL:

gov.br/conecta/catalogo/

Collapse
 
poetsmeniet profile image
Thomas Wink

Dude, amazing list. Thanks for sharing. Bookmarked.

Collapse
 
sojinsamuel profile image
Sojin Samuel

Good list, but ahrefs API isn't free, they are only available to their paying customers (with no extra free)

Collapse
 
falselight profile image
YURII DE.

Thank you. ahrefs isn't free

Collapse
 
officialphaqwasi profile image
Isaac Klutse

Thanks so much, the list is awesome. Bookmarked.

Collapse
 
yowise profile image
a.infosecflavour

Pure gold!

Some comments may only be visible to logged-in visitors. Sign in to view all comments.