Table of Contents
- Weather APIs โ
๏ธ๐ฆ๏ธ๐ฉ๏ธ
- Exchange Rates APIs ๐ฑ๐ฒ๐น
- Cryptocurrency APIs โฟ๐ฐ๐
- Placeholder Image APIs ๐ธ๐ผ๏ธ๐จ
- Random Generators APIs ๐ฒ๐๐ฐ
- News APIs ๐ฐ๐ข๐๏ธ
- Maps and Geolocation APIs ๐บ๏ธ๐๐
- Search APIs ๐๐๐ต๏ธ
- Machine Learning APIs ๐ค๐ง ๐ฎ
- Screenshot and Picture APIs ๐ท๐๐ผ๏ธ
- SEO APIs ๐๐๐ก
- Shopping APIs ๐๏ธ๐๐ฆ
- Developer APIs ๐ป๐ง๐ ๏ธ
- Travel and Transportation APIs ๐ซ๐๐
- Communication APIs ๐๐ฌ๐ง
- Payment and Financial APIs ๐ณ๐ธ๐ฆ
- Analytics and Monitoring APIs ๐๐๐
- Natural Language Processing (NLP) APIs ๐ฃ๏ธ๐๐ฌ
- Utilities and Tools APIs ๐ ๏ธ๐งโ๏ธ
- Government and Open Data APIs ๐๏ธ๐๐
- Qit.tools - โก Interactive Online Web ๐ ๏ธ Tools
- ๐ฐ Currency Plugins/Widgets for WordPress
Weather APIs โ
๏ธ๐ฆ๏ธ๐ฉ๏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 ๐ฑ๐ฒ๐น
| 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 โฟ๐ฐ๐
| 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 ๐ธ๐ผ๏ธ๐จ
| 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 ๐ฒ๐๐ฐ
| 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 ๐ฐ๐ข๐๏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 Bingโs 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 ๐บ๏ธ๐๐
| 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 ๐๐๐ต๏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 Bingโs 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 ๐ค๐ง ๐ฎ
| 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 ๐ท๐๐ผ๏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 ๐๐๐ก
| 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 |
| 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 ๐ป๐ง๐ ๏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 ๐ซ๐๐
| 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 ๐๐ฌ๐ง
| 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 ๐ณ๐ธ๐ฆ
| 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 | |
| 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 ๐๐๐
| 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 ๐ฃ๏ธ๐๐ฌ
| 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 |
| 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 ๐๏ธ๐๐
| 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 | |
| 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 |
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